ASTM A350 LF6 Flanges
ASME SA350 LF6 Weld Neck Flanges Chemical Composition And Mechanical Properties.
ASTM A350 Lf6 Flanges
ASTM A350 Lf6 Class 1 Flanges
ASTM A350 Grade Lf6 Class 2 Flanges
Table Of Contents
- A350 Lf6 Used For Low-Temperature Service?
- What A350 Lf6 Class 1 Manufacturing Process?
- Hardness And Hydrostatic Of ASTM A350 LF6 Flanges?
- A350 Lf6 Specification
- A350 Lf6 Chemical Composition
- ASTM A350 Lf6 Mechanical Properties
- LTCS A350 LF6 Flanges Temperature Types
- ASTM A350 LF6 Flanges Tensile Properties
- ASTM A350 Lf6 Class 1 Thermal Expansion
- A350 Lf6 Flanges Pressure Rating Chart
- A350 Lf6 Material Dimensions Chart According to ASME B16.5
- SA350 LF6 Maximum Weight
- ASTM A350 LF6 Class 2 Thickness Chart In MM
- A350 LF6 CL2 Tolerance Chart
- Low Temperature Carbon Steel LF6 Flanges Stud Bolt Size Chart
- Accept Small And Large Quantities Types Of ASTM A350 LF6 Flanges
A350 Lf6 Material Properties
A350 Lf6 Used For Low-Temperature Service?
ASTM A350 is a specification which covers several grades of carbon as well as low alloy steel forged or ring-rolled flanges such as the A350 Lf6, amongst other components like forged fittings and valves. The ASTM A350 LF6 Flanges we produced are intended to be used for low temperature service. Because the metal has been designed for lower temperature applications, our clients who have this requirement consider this specified alloy to be useful as the astm a350 lf6 temperature range is as low as about -20 °F.
What A350 Lf6 Class 1 Manufacturing Process?
The steel specimens, in this case a350 lf6 class 1 are melted and processed by using melting techniques like basic oxygen, open-hearth, electric furnace or vacuum-induction melting. These a350 lf6 slip on flanges have to be forged first followed by which the flange is to undergo heat treatment including ones like normalizing, tempering along with quenching and precipitation heat treatment. Heat analysis and product analysis are performed on these carbon lf6 flanges. According to the specification the steel materials generally conforms to the required astm a350 lf6 chemical composition with regards to the content of elements such as carbon, manganese, phosphorus, nickel, chromium, molybdenum, nitrogen, etc.
Hardness And Hydrostatic Of ASTM A350 LF6 Flanges?
The materials, namely the ltcs lf6 ltcs flanges must not only undergo tension tests but also needs to conform to the required values pertaining the tensile strength, yield strength and elongation properties. Aside from these astm a350 lf6 mechanical properties, Impact testing is also done on this steel grade and similar to the chemical requirement, the mechanical requirements of the cs a350 lf6 orifice flanges too, need to conform to the required values of minimum impact energy, temperature, and minimum equivalent absorbed energy. Tests like Hardness and hydrostatic tests must be performed on the astm a350 lf6 blind flanges.
ISO Certified LTCS A350 LF6 Blind Flanges Manufacturer In India And Material Properties SA350 LF6 Class 1 And CL2. Slip On Flange.
A350 Lf6 Specification
Material Specification Of :
ASTM A350 LF6 Flanges
South African Standard Flanges
SANSflanges And SABS flanges
Surface Finish
smooth, concentric serrated, stock
Gaskets Types
Full Face Gasket
Flat Ring Gasket
Metallic Ring Gakset
Advantages Of Pipe Flange
Used to Connect Pipe System
Easy Repair Pipe System
Assembled Without Welding
Standard Cover :
pressure ratings & temperature ratings, materials, marking, dimensions, weight, tolerances, testing
Contact Faces
RTJ (Ring Type Joint), FF (Flat Face), RF (Raised Face), T/G (Tongue And Groove ), M/F (Male And Female)
Size Chart
Normal Pipe Size 1/2 to NPS 24"
Thickness
Normal Pipe Size ≤ 18
Bore Diameter
Normal Pipe ≤ 10
Flanges Standards
EN 1092-1, JIS, ASME B16.5, ASME B16.47 type A, UNI, DIN
Pressure Rating
Class 150 To Class 2500
High Temperature
Above 200°C (400°F) For Class 150 Or Above 400°C (750°F)
Low Temperature
Above -29 Degree C (−20°F)
Common Types Of Flanges:
Slip On (SORF), Weld Neck (WNRF), Blind (BLRF), Lap Joint (Loose), Threaded (NPT), Socket-Weld (SWRF)
Special Types Of Flanges :
Nipoflange, Elboflange, Latroflange, Swivel Flange, Expanding Flange, Reducing Flange, Weldoflange
Marking Standard
Name of Manufacturer
Schedule
Type of Flange Facing
Nominal Pipe Size
Pressure Class
ASME B16 Designation
Bolt Type
high strength bolts
medium strength bolts
low strength bolts
European Standard Flanges
JIS B2220 Flanges (5k to 30k) and KS1503 flanges
Russian-Standard Flanges
GOST 12820 / 12821-80, DIN, UNI, EN 1092-1
We Provide Online Payment Options Of Low Temperature Carbon Steel A350 LF6 Slip On Flanges, A350 LF6 Temperature Range.
A350 Lf6 Chemical Composition
Element
Composition
Carbon, maximum
0.20 maximum
Manganese
0.90 maximum
Phosphorus, maximum
0.035 maximum
Sulfur, maximum
0.040 maximum
Silicon [Note A]
0.20–0.35
Nickel
3.3–3.7
Chromium
0.30 maximum [Note C]
Molybdenum
0.12 maximum [Note C]
Copper
0.40 maximum
Columbium
0.02 maximum
Vanadium
0.03 maximum
ASTM A350 Lf6 Mechanical Properties
Grade/Class
Tensile Strength
Yield Strength, minimum
Elongation, minimum
Hardness, maximum
ksi
MPa
ksi
MPa
%
HBW
LTCS LF6 CL1
66–91
455–630
52
360
22
197
LTCS LF6 CL2
75–100
515–690
60
415
20
197
LTCS LF6 CL3
75–100
515–690
60
415
20
197
LTCS A350 LF6 Flanges Temperature Types
Steel Type
Grade (forging)
Grade (cast)
Composition
Min Temperature
Austenitic (SS)
ASTM A182 F316
A351 CF8M
18Cr, 8Ni, 2Mo
-196ºC
Nickel Based Steel
ASTM A350 LF3
ASTM A352 LC3
3 1/2Ni
-101ºC
Nickel Based Steel
NO EQUIV
ASTM A352 LC2
2 1/2Ni
-73ºC
Low Temp Carbon Steel (LTCS)
NO EQUIV
A352 LC1
0.5Mo
-59ºC
ASTM A350 LF6 Flanges Tensile Properties
A350 LF1 and A350 LF5 Class 1
A350 LF2 CL 1 and 2
A350 LF3 CL 1 and A350 LF 5 Class 2
A350 LF 6
LF 9
LF 787
CL 1
CL
CL 2
CL 3
Tensile strength, ksi [MPa]
60-85 [415- 585]
70-95 [485- 655]
70-95 [485- 655]
66-91 [455-630]
75-100 [515-690]
63-88 [435- 605]
65-85 [450-585]
75-95 [515-655]
Yield strength, minimum, ksi [MPa]B,C Elongation:
30 [205]
36 [250]
37.5 [260]
52 [360]
60 [415]
46 [315]
55 [380]
65 [450]
Standard round specimen, or small proportional specimen, minimum % in
25
22
22
22
20
25
20
20
4D gage length Strip specimen to wall thickness 5⁄16 in. (7.94 mm) and over and for all small sizes tested in full section; minimum % in 2 in. (50 mm)
28
30
30
30
28
28
28
28
Equation for calculating minimum elongation for strip specimens thinner than 5⁄16 in. (7.94 mm); minimum % in 2 in. (50 mm) t p actual thickness in inches
48t+13
48t+15
48t+15
48t+15
48t+13
48t+13
48t+13
48t+13
Reduction of area, minimum, %
38
30
35
40
40
38
45
45
ASTM A350 Lf6 Class 1 Thermal Expansion
Properties Of
Metric Of
Imperial Of
Thermal expansion co-efficient (@0-100°C/32-212°F)
10.4 µm/m°C
5.78 µin/in°F
Thermal conductivity
21.6 W/mK
150 BTU in/hr.ft².°F
A350 Lf6 Flanges Pressure Rating Chart
TEMP
°C
Class 150
Class 300
Class 400
Class 600
Class 900
Class 1500
Class 2500
-29 TO 38
19.6
51.1
68.1
102.1
153.2
255.3
425.5
50
19.2
50.1
66.8
100.2
150.4
250.6
417.7
100
17.7
46.6
62.1
93.2
139.8
233
388.3
150
15.8
45.1
60.1
90.2
135.2
225.4
375.6
200
13.8
43.8
58.4
87.6
131.4
219
365
250
12.1
41.9
55.9
83.9
125.8
209.7
349.5
300
10.2
39.8
53.1
79.6
119.5
199.1
331.8
325
9.3
38.7
51.6
77.4
116.1
193.6
322.6
350
8.4
37.6
50.1
75.1
112.7
187.8
313
375
7.4
36.4
48.5
72.7
109.1
181.8
303.1
400
6.5
34.7
46.3
69.4
104.2
173.6
289.3
425
5.5
28.8
38.4
57.5
86.3
143.8
239.7
450
4.6
23
30.7
46
69
115
191.7
475
3.7
17.4
23.2
34.9
52.3
87.2
145.3
500
2.8
11.8
15.7
23.5
35.3
58.8
97.9
538
1.4
5.9
7.9
11.8
17.7
29.5
49.2
Check Carbon Steel A350 LF6 Dimensions Chart According to ASME B16.5, KOC Approved A350 LF6 Flanges Manufacturer In India.
A350 Lf6 Material Dimensions Chart According to ASME B16.5
NPS
O.D. of Flange
Flanges Thickness
Diameter of RF
Diameter of Hub at Base
Lengtd Tdru Hub
Bore or Diameter
Dia. of Hub at Bevel
Radius of Fillet
Deptd of Socket
Welding (WN) Neck
Slip-On (SORF) Threaded (NPT) Socket (SWRF)
Lap Joint (Loose)
Slip-on (SORF) Socket (SWRF)
Lap Joint (Loose)
O
Q
R
X
Y
Y
Y
W
B
H
r
Z
1/2
3-1/2
7/16
1-3/8
1-3/16
1-7/8
5/8
5/8
.88
.90
.84
1/8
3/8
3/4
3-7/8
1/2
1-11/16
1-1/2
2-1/16
5/8
5/8
1.09
1.11
1.05
1/8
7/16
1
4-1/4
9/16
2
1-15/16
2-3/16
11/16
11/16
1.36
1.38
1.32
1/8
1/2
1-1/4
4-5/8
5/8
2-1/2
2-5/16
2-1/4
13/16
13/16
1.70
1.72
1.66
3/16
9/16
1-1/2
5
11/16
2-7/8
2-9/16
2-7/16
7/8
7/8
1.95
1.97
1.90
1/4
5/8
2
6
3/4
3-5/8
3-1/16
2-1/2
1
1
2.44
2.46
2.38
5/16
11/16
2-1/2
7
7/8
4-1/8
3-9/16
2-3/4
1-1/8
1-1/8
2.94
2.97
2.88
5/16
3/4
3
7-1/2
15/16
5
4-1/4
2-3/4
1-3/16
1-3/16
3.57
3.60
3.50
3/8
13/16
3-1/2
8-1/2
15/16
5-1/2
4-13/16
2-13/16
1-1/4
1-1/4
4.07
4.10
4.00
3/8
7/8
4
9
15/16
6-3/16
5-5/16
3
1-5/16
1-5/16
4.57
4.60
4.50
7/16
15/16
5
10
15/16
7.5/16
6-7/16
3-1/2
1-7/16
1-7/16
5.66
5.69
5.56
7/16
15/16
6
11
1
8-1/2
7-9/16
3-1/2
1-9/16
1-9/16
6.72
6.75
6.63
1/2
1-1/16
8
13-1/2
1-1/8
10-5/8
9-11/16
4
1-3/4
1-3/4
8.72
8.75
8.63
1/2
1-1/4
10
16
1-3/16
12-3/4
12
4
1-15/16
1-15/16
10.88
10.92
10.75
1/2
1-5/16
12
19
1-1/4
15
14-3/8
4-1/2
2-3/16
2-3/16
12.88
12.92
12.75
1/2
1-9/16
14
21
1-3/8
16-1/4
15-3/4
5
2-1/4
3-1/8
14.14
14.18
14.00
1/2
1-5/8
16
23-1/2
1-7/16
18-1/2
18
5
2-1/2
3-7/16
16.16
16.19
16.00
1/2
1-3/4
18
25
1-9/16
21
19-7/8
5-1/2
2-11/16
3-13/16
18.18
18.20
18.00
1/2
1-15/16
20
27-1/2
1-11/16
23
22
5-11/16
2-7/8
4-1/16
20.20
20.25
20.00
1/2
2-1/8
24
32
1-7/8
27-1/4
26-1/8
6
3-1/4
4-3/8
24.25
24.25
24.00
1/2
2-1/2
Refer A350 Gr. Lf6 Cl. 2 Weight Chart And ASTM A350 LF6 Weld Neck Flanges Thickness Calculation/ Bolt Pattern.
SA350 LF6 Maximum Weight
Nominal Pipe Sizes (NPS)
Slip On (SORF)
Threaded (NPT)
Socket Weld (SWRF)
Lap Joint (Loose)
Blind (BLRF)
Weld Neck (WRNR)
½
1
1
2
1
2
2
¾
2
2
2
2
2
2
1
2
2
2
2
2
3
1¼
3
3
3
3
3
3
1½
3
3
3
3
4
4
2
5
5
5
5
5
6
2½
8
8
8
8
7
10
3
9
9
9
9
9
11.5
3½
11
12
11
11
13
12
4
13
13
13
13
17
16.5
5
15
15
15
15
20
21
6
19
19
19
19
27
26
8
30
30
30
30
47
42
10
43
43
43
43
70
54
12
64
64
64
64
123
88
14
90
90
90
105
140
114
16
106
98
98
140
180
140
18
130
130
130
160
220
165
20
165
165
165
195
285
197
22
185
185
185
245
355
225
24
220
220
220
275
430
268
ASTM A350 LF6 Class 2 Thickness Chart In MM
ASTM A350 LF6 Flanges Wall Thickness
NPS (Normal Pipe Sizes)
Outside Daimeter (O.D.)
Schedule 10
Schedule 20
Schedule 30
STD Wall
Schedule 40
Schedule 60
EXT Hvy
Schedule 80
Schedule 100
Schedule 120
Schedule 140
Schedule 160
XX Hvy
½
0.84
0.083
...
...
0.109
0.109
...
0.147
0.147
...
...
...
0.188
0.294
¾
1.05
0.083
...
...
0.113
0.113
...
0.154
0.154
...
...
...
0.219
0.308
1
1.315
0.109
...
...
0.133
0.133
...
0.179
0.179
...
...
...
0.25
0.358
1 ¼
1.66
0.109
...
...
0.14
0.14
...
0.191
0.191
...
...
...
0.25
0.382
1 ½
1.9
0.109
...
...
0.145
0.145
...
0.2
0.2
...
...
...
0.281
0.4
2
2.375
0.109
...
...
0.154
0.154
...
0.218
0.218
...
...
...
0.344
0.436
2 ½
2.875
0.12
...
...
0.203
0.203
...
0.276
0.276
...
...
...
0.375
0.552
3
3.5
0.12
...
...
0.216
0.216
...
0.3
0.3
...
...
...
0.438
0.6
3 ½
4
0.12
...
...
0.226
0.226
...
0.318
0.318
...
...
...
...
0.636
4
4.5
0.12
...
...
0.237
0.237
...
0.337
0.337
...
0.438
...
0.531
0.674
5
5.563
0.134
...
...
0.258
0.258
...
0.375
0.375
...
0.5
...
0.625
0.75
6
6.625
0.134
...
...
0.28
0.28
...
0.432
0.432
...
0.562
...
0.719
0.864
8
8.625
0.148
0.25
0.277
0.322
0.322
0.406
0.5
0.5
0.594
0.719
0.812
0.906
0.875
10
10.75
0.165
0.25
0.307
0.365
0.365
0.5
0.5
0.594
0.719
0.844
1
1.125
1
12
12.75
0.18
0.25
0.33
0.375
0.406
0.562
0.5
0.688
0.844
1
1.125
1.312
1
14
14
0.25
0.312
0.375
0.375
0.438
0.594
0.5
0.75
0.938
1.094
1.25
1.406
...
16
16
0.25
0.312
0.375
0.375
0.5
0.656
0.5
0.844
1.031
1.219
1.438
1.594
...
18
18
0.25
0.312
0.438
0.375
0.562
0.75
0.5
0.938
1.156
1.375
1.562
1.781
...
20
20
0.25
0.375
0.5
0.375
0.594
0.812
0.5
1.031
1.281
1.5
1.75
1.969
...
22
22
0.25
...
...
0.375
...
...
0.5
...
...
....
....
....
....
24
24
0.25
0.375
0.562
0.375
0.688
0.969
0.5
1.219
1.531
1.812
2.062
2.344
....
26
26
....
....
....
0.375
....
....
0.5
....
....
....
....
....
....
30
30
0.312
0.5
0.625
0.375
....
....
0.5
....
....
....
....
....
....
36
36
0.312
0.5
0.625
0.375
0.75
....
0.5
....
....
....
....
....
....
40
40
....
....
....
0.375
....
....
0.5
....
....
....
....
....
....
42
42
……..
……..
……..
0.375
……..
……..
0.5
……..
……..
……..
……..
……..
……..
48
48
……..
……..
……..
0.375
……..
……..
0.5
……..
……..
……..
……..
……..
……..
A350 LF6 CL2 Tolerance Chart
ASTM A350 LF6 Flanges Tolerance
A
Outside Diameter (O.D.)
- When Outside Diameter (O.D.) is 24" or less: ±1/16" (1.6 mm)
- When Outside Diameter (O.D.) is over 24": ±1/8" (3.2 mm)
D
Inside Diameter
- 10" and smaller: ±1/32" (0.8 millimeter)
- 12" thru 18": +1/8" (3.2 millimeter)
- 20" and larger: -1/16" (1.6 millimeter)
B
Diameter of contact face
- 1/16" raised face: ±1/32" (0.8 millimeter)
- 1/4" Raised Face (RF), Tongue & Groove (T/G), (male & female), (m/f): ±1/64" (0.4 mm)
J
Diameter of hub at base
- When hub base is 24" or smaller: ±1/16" (1.6 millimeter)
- When hub base is over 24": ±1/8" (3.2 millimeter)
H
Diameter of hub at point of welding
- 5" and smaller: +3/32" (2.4 millimeter), -1/32" (0.8 millimeter)
- 6" and larger: +5/32" (4.0 millimeter), -1/32 (0.8 millimeter)
P
Drilling
- Bolt circle: ±1/16" (1.6 millimeter)
- Bolt hole spacing: ±1/32" (0.8 millimeter)
Eccentricity of bolt circle with respect to facing
- 2 1/2" and smaller ±1/32" (0.8 millimeter) max.
- 3" and larger ±1/16" (1.6 millimeter) max.
C
Thickness
- 18" and smaller: ±1/8" (3.2 millimeter), -0"
- 20" and larger: ±3/16" (4.8 millimeter), -0"
K
Length of hub
- 10" and smaller: ±1/16" (1.6 millimeter)
- 12" and larger: ±1/8" (3.2 millimeter)
Low Temperature Carbon Steel LF6 Flanges Stud Bolt Size Chart
Class 150 Flanges
Class 300 Flanges
Class 600 Flanges
NPS
# Bolts And Studs
Diameter of Bolts And Studs
Stud Length
# Bolts And Studs
Diameter of Bolts And Studs
Stud Length
# Bolts And Studs
Diameter of Bolts And Studs
Stud Length
1/16 RF
RTJ
1/16 RF
RTJ
1/4 RF
RTJ
1/2
4
0.50
2-1/4
–
4
0.50
2-1/2
3
4
0.50
3
3
3/4
4
0.50
2-1/2
–
4
0.63
3
3-1/2
4
0.63
3-1/2
3-1/2
1
4
0.50
2-1/2
3
4
0.63
3
3-1/2
4
0.63
3-1/2
3-1/2
1-1/4
4
0.50
2-3/4
3-1/4
4
0.63
3-1/4
3-3/4
4
0.63
3-3/4
3-3/4
1-1/2
4
0.50
2-3/4
3-1/4
4
0.75
3-1/2
4
4
0.75
4-1/4
4-1/4
2
4
0.63
3-1/4
3-3/4
8
0.63
3-1/2
4
8
0.63
4-1/4
4-1/4
2-1/2
4
0.63
3-1/2
4
8
0.75
4
4-1/2
8
0.75
4-3/4
4-3/4
3
4
0.63
3-1/2
4
8
0.75
4-1/4
4-3/4
8
0.75
5
5
3-1/2
8
0.63
3-1/2
4
8
0.75
4-1/4
5
8
0.88
5-1/2
5-1/2
4
8
0.63
3-1/2
4
8
0.75
4-1/2
5
8
0.88
5-3/4
5-3/4
5
8
0.75
3-3/4
4-1/4
8
0.75
4-3/4
5-1/4
8
1.00
6-1/2
6-1/2
6
8
0.75
4
4-1/2
12
0.75
4-3/4
5-1/2
12
1.00
6-3/4
6-3/4
8
8
0.75
4-1/4
4-3/4
12
0.88
5-1/2
6
12
1.13
7-1/2
7-3/4
10
12
0.88
4-1/2
5
16
1.00
6-1/4
6-3/4
16
1.25
8-1/2
8-1/2
12
12
0.88
4-3/4
5-1/4
16
1.13
6-3/4
7-1/4
20
1.25
8-3/4
8-3/4
14
12
1.00
5-1/4
5-3/4
20
1.13
7
7-1/2
20
1.38
9-1/4
9-1/4
16
16
1.00
5-1/4
5-3/4
20
1.25
7-1/2
8
20
1.50
10
10
18
16
1.13
5-3/4
6-1/4
24
1.25
7-3/4
8-1/4
20
1.63
10-3/4
10-3/4
20
20
1.13
6-1/4
6-3/4
24
1.25
8
8-3/4
24
1.63
11-1/4
11-1/2
24
20
1.25
6-3/4
7-1/4
24
1.50
9
10
24
1.88
13
13-1/4
Accept Small And Large Quantities Types Of ASTM A350 LF6 Flanges
Inch, Class 300, ANSI B16.5, ASTM A350 Lf6 Class 2 Plate Flanges
8 Inch, 300Lb, EN 1092-1, DN200, PN16, LTCS ASTM A350 Lf6 Ring Type Joint Flanges
8 Inch, Sch 40, 150 LB, A350 Gr Lf6 Carbon Steel Tongue & Groove Flanges
12 Inch, Sch 80, RF, Class 150, A350 Lf6 Grade Low Temperature Reducing Flanges
10 Inch, CL300, SCH STD, ASME B16.5, ASTM A350 Lf6 Class 1 And Class 2 Forged Flanges
30 Inch, 150LB, Raised Face, ASTM A350 Lf6 Raised Face Flanges
12 Inch, SCH 40, 150 LB RF, ASTM A350 Lf6 Class 2 Male and Female Flange
30 Inch, Class 600 LB, RF, ASME B16.5 LTCS Lf6 Bleed Ring
3 Inch, Class 300, SCH 40, Raised Face, LTCS ASTM A350 Lf6 Slip On Flanges
3 Inch, 300 LB, SCH 80, CS A350 Lf6 Socket Weld Flanges
3 Inch, 300 LB, RF, ANSI B16.5, Carbon Steel A350 LF6 Blind Flanges
2 Inch, 300#, SCH 80, A350 LF6 Weld Neck Flanges
1/2 Inch, 150 LB, RF, ASTM A350 Class 2 Threaded Flanges
1 Inch, SCH 40, Class 300, RF Ends, A350 Killed Carbon Steel Lap Joint Flanges
2 1/2 Inch, 150#, FF, SA350 Gr Cl1 Long Weld Neck Flanges
2 Inch x NPTF 1-1/2 Inch, B16.36, A350 Gr Class 1 Spectacle Blind Flanges
Some Of The Countries We Have Supplied Various Types Of ASTM A350 LF6 Flanges Recently:
ASTM A350 LF6 Carbon Steel Flanges
Philippines, Nigeria, Australia, UK
LTCS SA350 GR LF6 CL1 / CL2 Flanges
Oman, Malaysia, Hong Kong, UAE
A350 LF6 Class 1 and Class 2 Flange
South Africa, Bahrain, Singapore
ASTM A350 Class 2 Threaded Flanges
Ellington -United States, Poland, Canada, UK
A350 LF6 Carbon Steel Flanges
United Kingdom -UK, Europe, UAE, Malaysia
A350 Lf6 Cl1 Flanges
Canada, Singapore, Malaysia, Philippines
Sa350 Gr Lf6 Forged Flange
Japan, Europe, Romania, Malaysia
LTCS A350 LF6 Flanges
Colombia, Malaysia, Sweden, China
ASME SA 350 GR LF6 Weld Weld Flange
Dubai, Netherlands, Russia, Malaysia
ASTM A350 LF6 (ASME SA350) Flanges
South Africa, Saudi Arabia (KSA), Kuwait, Brazil
Carbon Steel A350 Lf6 Flanges
United Arab Emirates (UAE), Norway, Malaysia, Turkey
ASTM A350 Lf6 Flanges
Dammam -KSA, Indonesia, Belgium, Philippines.
ASTM A350 LF6 Pipe Flanges
France, Thailand, Europe, Qatar
Low-Temperature Carbon Steel LF6 Flanges
Germany, Czechia, Malaysia, Thailand
ASTM A350 LF6 Blind Flanges
Finland, Malaysia, USA, Bangladesh
ASTM A350 LF6 Weld Neck Flanges
Italy, Iran, Chile, Singapore
SA 350 Grade LF6 CL1 Flanges
Egypt, Spain, UK, Mexico
| Material Specification Of : | ASTM A350 LF6 Flanges |
|---|---|
| South African Standard Flanges | SANSflanges And SABS flanges |
| Surface Finish | smooth, concentric serrated, stock |
| Gaskets Types | Full Face Gasket Flat Ring Gasket Metallic Ring Gakset |
| Advantages Of Pipe Flange | Used to Connect Pipe System Easy Repair Pipe System Assembled Without Welding |
| Standard Cover : | pressure ratings & temperature ratings, materials, marking, dimensions, weight, tolerances, testing |
| Contact Faces | RTJ (Ring Type Joint), FF (Flat Face), RF (Raised Face), T/G (Tongue And Groove ), M/F (Male And Female) |
| Size Chart | Normal Pipe Size 1/2 to NPS 24" |
| Thickness | Normal Pipe Size ≤ 18 |
| Bore Diameter | Normal Pipe ≤ 10 |
| Flanges Standards | EN 1092-1, JIS, ASME B16.5, ASME B16.47 type A, UNI, DIN |
| Pressure Rating | Class 150 To Class 2500 |
| High Temperature | Above 200°C (400°F) For Class 150 Or Above 400°C (750°F) |
| Low Temperature | Above -29 Degree C (−20°F) |
| Common Types Of Flanges: | Slip On (SORF), Weld Neck (WNRF), Blind (BLRF), Lap Joint (Loose), Threaded (NPT), Socket-Weld (SWRF) |
| Special Types Of Flanges : | Nipoflange, Elboflange, Latroflange, Swivel Flange, Expanding Flange, Reducing Flange, Weldoflange |
| Marking Standard | Name of Manufacturer Schedule Type of Flange Facing Nominal Pipe Size Pressure Class ASME B16 Designation |
| Bolt Type | high strength bolts medium strength bolts low strength bolts |
| European Standard Flanges | JIS B2220 Flanges (5k to 30k) and KS1503 flanges |
| Russian-Standard Flanges | GOST 12820 / 12821-80, DIN, UNI, EN 1092-1 |
| Element | Composition |
|---|---|
| Carbon, maximum | 0.20 maximum |
| Manganese | 0.90 maximum |
| Phosphorus, maximum | 0.035 maximum |
| Sulfur, maximum | 0.040 maximum |
| Silicon [Note A] | 0.20–0.35 |
| Nickel | 3.3–3.7 |
| Chromium | 0.30 maximum [Note C] |
| Molybdenum | 0.12 maximum [Note C] |
| Copper | 0.40 maximum |
| Columbium | 0.02 maximum |
| Vanadium | 0.03 maximum |
| Grade/Class | Tensile Strength | Yield Strength, minimum | Elongation, minimum | Hardness, maximum | ||
| ksi | MPa | ksi | MPa | % | HBW | |
| LTCS LF6 CL1 | 66–91 | 455–630 | 52 | 360 | 22 | 197 |
| LTCS LF6 CL2 | 75–100 | 515–690 | 60 | 415 | 20 | 197 |
| LTCS LF6 CL3 | 75–100 | 515–690 | 60 | 415 | 20 | 197 |
| Steel Type | Grade (forging) | Grade (cast) | Composition | Min Temperature |
|---|---|---|---|---|
| Austenitic (SS) | ASTM A182 F316 | A351 CF8M | 18Cr, 8Ni, 2Mo | -196ºC |
| Nickel Based Steel | ASTM A350 LF3 | ASTM A352 LC3 | 3 1/2Ni | -101ºC |
| Nickel Based Steel | NO EQUIV | ASTM A352 LC2 | 2 1/2Ni | -73ºC |
| Low Temp Carbon Steel (LTCS) | NO EQUIV | A352 LC1 | 0.5Mo | -59ºC |
| A350 LF1 and A350 LF5 Class 1 | A350 LF2 CL 1 and 2 | A350 LF3 CL 1 and A350 LF 5 Class 2 | A350 LF 6 | LF 9 | LF 787 | |||
|---|---|---|---|---|---|---|---|---|
| CL 1 | CL | CL 2 | CL 3 | |||||
| Tensile strength, ksi [MPa] | 60-85 [415- 585] | 70-95 [485- 655] | 70-95 [485- 655] | 66-91 [455-630] | 75-100 [515-690] | 63-88 [435- 605] | 65-85 [450-585] | 75-95 [515-655] |
| Yield strength, minimum, ksi [MPa]B,C Elongation: | 30 [205] | 36 [250] | 37.5 [260] | 52 [360] | 60 [415] | 46 [315] | 55 [380] | 65 [450] |
| Standard round specimen, or small proportional specimen, minimum % in | 25 | 22 | 22 | 22 | 20 | 25 | 20 | 20 |
| 4D gage length Strip specimen to wall thickness 5⁄16 in. (7.94 mm) and over and for all small sizes tested in full section; minimum % in 2 in. (50 mm) | 28 | 30 | 30 | 30 | 28 | 28 | 28 | 28 |
| Equation for calculating minimum elongation for strip specimens thinner than 5⁄16 in. (7.94 mm); minimum % in 2 in. (50 mm) t p actual thickness in inches | 48t+13 | 48t+15 | 48t+15 | 48t+15 | 48t+13 | 48t+13 | 48t+13 | 48t+13 |
| Reduction of area, minimum, % | 38 | 30 | 35 | 40 | 40 | 38 | 45 | 45 |
| Properties Of | Metric Of | Imperial Of |
|---|---|---|
| Thermal expansion co-efficient (@0-100°C/32-212°F) | 10.4 µm/m°C | 5.78 µin/in°F |
| Thermal conductivity | 21.6 W/mK | 150 BTU in/hr.ft².°F |
| TEMP °C |
Class 150 | Class 300 | Class 400 | Class 600 | Class 900 | Class 1500 | Class 2500 |
| -29 TO 38 | 19.6 | 51.1 | 68.1 | 102.1 | 153.2 | 255.3 | 425.5 |
| 50 | 19.2 | 50.1 | 66.8 | 100.2 | 150.4 | 250.6 | 417.7 |
| 100 | 17.7 | 46.6 | 62.1 | 93.2 | 139.8 | 233 | 388.3 |
| 150 | 15.8 | 45.1 | 60.1 | 90.2 | 135.2 | 225.4 | 375.6 |
| 200 | 13.8 | 43.8 | 58.4 | 87.6 | 131.4 | 219 | 365 |
| 250 | 12.1 | 41.9 | 55.9 | 83.9 | 125.8 | 209.7 | 349.5 |
| 300 | 10.2 | 39.8 | 53.1 | 79.6 | 119.5 | 199.1 | 331.8 |
| 325 | 9.3 | 38.7 | 51.6 | 77.4 | 116.1 | 193.6 | 322.6 |
| 350 | 8.4 | 37.6 | 50.1 | 75.1 | 112.7 | 187.8 | 313 |
| 375 | 7.4 | 36.4 | 48.5 | 72.7 | 109.1 | 181.8 | 303.1 |
| 400 | 6.5 | 34.7 | 46.3 | 69.4 | 104.2 | 173.6 | 289.3 |
| 425 | 5.5 | 28.8 | 38.4 | 57.5 | 86.3 | 143.8 | 239.7 |
| 450 | 4.6 | 23 | 30.7 | 46 | 69 | 115 | 191.7 |
| 475 | 3.7 | 17.4 | 23.2 | 34.9 | 52.3 | 87.2 | 145.3 |
| 500 | 2.8 | 11.8 | 15.7 | 23.5 | 35.3 | 58.8 | 97.9 |
| 538 | 1.4 | 5.9 | 7.9 | 11.8 | 17.7 | 29.5 | 49.2 |
| NPS | O.D. of Flange | Flanges Thickness | Diameter of RF | Diameter of Hub at Base | Lengtd Tdru Hub | Bore or Diameter | Dia. of Hub at Bevel | Radius of Fillet | Deptd of Socket | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Welding (WN) Neck | Slip-On (SORF) Threaded (NPT) Socket (SWRF) | Lap Joint (Loose) | Slip-on (SORF) Socket (SWRF) | Lap Joint (Loose) | ||||||||
| O | Q | R | X | Y | Y | Y | W | B | H | r | Z | |
| 1/2 | 3-1/2 | 7/16 | 1-3/8 | 1-3/16 | 1-7/8 | 5/8 | 5/8 | .88 | .90 | .84 | 1/8 | 3/8 |
| 3/4 | 3-7/8 | 1/2 | 1-11/16 | 1-1/2 | 2-1/16 | 5/8 | 5/8 | 1.09 | 1.11 | 1.05 | 1/8 | 7/16 |
| 1 | 4-1/4 | 9/16 | 2 | 1-15/16 | 2-3/16 | 11/16 | 11/16 | 1.36 | 1.38 | 1.32 | 1/8 | 1/2 |
| 1-1/4 | 4-5/8 | 5/8 | 2-1/2 | 2-5/16 | 2-1/4 | 13/16 | 13/16 | 1.70 | 1.72 | 1.66 | 3/16 | 9/16 |
| 1-1/2 | 5 | 11/16 | 2-7/8 | 2-9/16 | 2-7/16 | 7/8 | 7/8 | 1.95 | 1.97 | 1.90 | 1/4 | 5/8 |
| 2 | 6 | 3/4 | 3-5/8 | 3-1/16 | 2-1/2 | 1 | 1 | 2.44 | 2.46 | 2.38 | 5/16 | 11/16 |
| 2-1/2 | 7 | 7/8 | 4-1/8 | 3-9/16 | 2-3/4 | 1-1/8 | 1-1/8 | 2.94 | 2.97 | 2.88 | 5/16 | 3/4 |
| 3 | 7-1/2 | 15/16 | 5 | 4-1/4 | 2-3/4 | 1-3/16 | 1-3/16 | 3.57 | 3.60 | 3.50 | 3/8 | 13/16 |
| 3-1/2 | 8-1/2 | 15/16 | 5-1/2 | 4-13/16 | 2-13/16 | 1-1/4 | 1-1/4 | 4.07 | 4.10 | 4.00 | 3/8 | 7/8 |
| 4 | 9 | 15/16 | 6-3/16 | 5-5/16 | 3 | 1-5/16 | 1-5/16 | 4.57 | 4.60 | 4.50 | 7/16 | 15/16 |
| 5 | 10 | 15/16 | 7.5/16 | 6-7/16 | 3-1/2 | 1-7/16 | 1-7/16 | 5.66 | 5.69 | 5.56 | 7/16 | 15/16 |
| 6 | 11 | 1 | 8-1/2 | 7-9/16 | 3-1/2 | 1-9/16 | 1-9/16 | 6.72 | 6.75 | 6.63 | 1/2 | 1-1/16 |
| 8 | 13-1/2 | 1-1/8 | 10-5/8 | 9-11/16 | 4 | 1-3/4 | 1-3/4 | 8.72 | 8.75 | 8.63 | 1/2 | 1-1/4 |
| 10 | 16 | 1-3/16 | 12-3/4 | 12 | 4 | 1-15/16 | 1-15/16 | 10.88 | 10.92 | 10.75 | 1/2 | 1-5/16 |
| 12 | 19 | 1-1/4 | 15 | 14-3/8 | 4-1/2 | 2-3/16 | 2-3/16 | 12.88 | 12.92 | 12.75 | 1/2 | 1-9/16 |
| 14 | 21 | 1-3/8 | 16-1/4 | 15-3/4 | 5 | 2-1/4 | 3-1/8 | 14.14 | 14.18 | 14.00 | 1/2 | 1-5/8 |
| 16 | 23-1/2 | 1-7/16 | 18-1/2 | 18 | 5 | 2-1/2 | 3-7/16 | 16.16 | 16.19 | 16.00 | 1/2 | 1-3/4 |
| 18 | 25 | 1-9/16 | 21 | 19-7/8 | 5-1/2 | 2-11/16 | 3-13/16 | 18.18 | 18.20 | 18.00 | 1/2 | 1-15/16 |
| 20 | 27-1/2 | 1-11/16 | 23 | 22 | 5-11/16 | 2-7/8 | 4-1/16 | 20.20 | 20.25 | 20.00 | 1/2 | 2-1/8 |
| 24 | 32 | 1-7/8 | 27-1/4 | 26-1/8 | 6 | 3-1/4 | 4-3/8 | 24.25 | 24.25 | 24.00 | 1/2 | 2-1/2 |
| Nominal Pipe Sizes (NPS) | Slip On (SORF) | Threaded (NPT) | Socket Weld (SWRF) | Lap Joint (Loose) | Blind (BLRF) | Weld Neck (WRNR) |
|---|---|---|---|---|---|---|
| ½ | 1 | 1 | 2 | 1 | 2 | 2 |
| ¾ | 2 | 2 | 2 | 2 | 2 | 2 |
| 1 | 2 | 2 | 2 | 2 | 2 | 3 |
| 1¼ | 3 | 3 | 3 | 3 | 3 | 3 |
| 1½ | 3 | 3 | 3 | 3 | 4 | 4 |
| 2 | 5 | 5 | 5 | 5 | 5 | 6 |
| 2½ | 8 | 8 | 8 | 8 | 7 | 10 |
| 3 | 9 | 9 | 9 | 9 | 9 | 11.5 |
| 3½ | 11 | 12 | 11 | 11 | 13 | 12 |
| 4 | 13 | 13 | 13 | 13 | 17 | 16.5 |
| 5 | 15 | 15 | 15 | 15 | 20 | 21 |
| 6 | 19 | 19 | 19 | 19 | 27 | 26 |
| 8 | 30 | 30 | 30 | 30 | 47 | 42 |
| 10 | 43 | 43 | 43 | 43 | 70 | 54 |
| 12 | 64 | 64 | 64 | 64 | 123 | 88 |
| 14 | 90 | 90 | 90 | 105 | 140 | 114 |
| 16 | 106 | 98 | 98 | 140 | 180 | 140 |
| 18 | 130 | 130 | 130 | 160 | 220 | 165 |
| 20 | 165 | 165 | 165 | 195 | 285 | 197 |
| 22 | 185 | 185 | 185 | 245 | 355 | 225 |
| 24 | 220 | 220 | 220 | 275 | 430 | 268 |
| ASTM A350 LF6 Flanges Wall Thickness | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NPS (Normal Pipe Sizes) | Outside Daimeter (O.D.) | Schedule 10 | Schedule 20 | Schedule 30 | STD Wall | Schedule 40 | Schedule 60 | EXT Hvy | Schedule 80 | Schedule 100 | Schedule 120 | Schedule 140 | Schedule 160 | XX Hvy |
| ½ | 0.84 | 0.083 | ... | ... | 0.109 | 0.109 | ... | 0.147 | 0.147 | ... | ... | ... | 0.188 | 0.294 |
| ¾ | 1.05 | 0.083 | ... | ... | 0.113 | 0.113 | ... | 0.154 | 0.154 | ... | ... | ... | 0.219 | 0.308 |
| 1 | 1.315 | 0.109 | ... | ... | 0.133 | 0.133 | ... | 0.179 | 0.179 | ... | ... | ... | 0.25 | 0.358 |
| 1 ¼ | 1.66 | 0.109 | ... | ... | 0.14 | 0.14 | ... | 0.191 | 0.191 | ... | ... | ... | 0.25 | 0.382 |
| 1 ½ | 1.9 | 0.109 | ... | ... | 0.145 | 0.145 | ... | 0.2 | 0.2 | ... | ... | ... | 0.281 | 0.4 |
| 2 | 2.375 | 0.109 | ... | ... | 0.154 | 0.154 | ... | 0.218 | 0.218 | ... | ... | ... | 0.344 | 0.436 |
| 2 ½ | 2.875 | 0.12 | ... | ... | 0.203 | 0.203 | ... | 0.276 | 0.276 | ... | ... | ... | 0.375 | 0.552 |
| 3 | 3.5 | 0.12 | ... | ... | 0.216 | 0.216 | ... | 0.3 | 0.3 | ... | ... | ... | 0.438 | 0.6 |
| 3 ½ | 4 | 0.12 | ... | ... | 0.226 | 0.226 | ... | 0.318 | 0.318 | ... | ... | ... | ... | 0.636 |
| 4 | 4.5 | 0.12 | ... | ... | 0.237 | 0.237 | ... | 0.337 | 0.337 | ... | 0.438 | ... | 0.531 | 0.674 |
| 5 | 5.563 | 0.134 | ... | ... | 0.258 | 0.258 | ... | 0.375 | 0.375 | ... | 0.5 | ... | 0.625 | 0.75 |
| 6 | 6.625 | 0.134 | ... | ... | 0.28 | 0.28 | ... | 0.432 | 0.432 | ... | 0.562 | ... | 0.719 | 0.864 |
| 8 | 8.625 | 0.148 | 0.25 | 0.277 | 0.322 | 0.322 | 0.406 | 0.5 | 0.5 | 0.594 | 0.719 | 0.812 | 0.906 | 0.875 |
| 10 | 10.75 | 0.165 | 0.25 | 0.307 | 0.365 | 0.365 | 0.5 | 0.5 | 0.594 | 0.719 | 0.844 | 1 | 1.125 | 1 |
| 12 | 12.75 | 0.18 | 0.25 | 0.33 | 0.375 | 0.406 | 0.562 | 0.5 | 0.688 | 0.844 | 1 | 1.125 | 1.312 | 1 |
| 14 | 14 | 0.25 | 0.312 | 0.375 | 0.375 | 0.438 | 0.594 | 0.5 | 0.75 | 0.938 | 1.094 | 1.25 | 1.406 | ... |
| 16 | 16 | 0.25 | 0.312 | 0.375 | 0.375 | 0.5 | 0.656 | 0.5 | 0.844 | 1.031 | 1.219 | 1.438 | 1.594 | ... |
| 18 | 18 | 0.25 | 0.312 | 0.438 | 0.375 | 0.562 | 0.75 | 0.5 | 0.938 | 1.156 | 1.375 | 1.562 | 1.781 | ... |
| 20 | 20 | 0.25 | 0.375 | 0.5 | 0.375 | 0.594 | 0.812 | 0.5 | 1.031 | 1.281 | 1.5 | 1.75 | 1.969 | ... |
| 22 | 22 | 0.25 | ... | ... | 0.375 | ... | ... | 0.5 | ... | ... | .... | .... | .... | .... |
| 24 | 24 | 0.25 | 0.375 | 0.562 | 0.375 | 0.688 | 0.969 | 0.5 | 1.219 | 1.531 | 1.812 | 2.062 | 2.344 | .... |
| 26 | 26 | .... | .... | .... | 0.375 | .... | .... | 0.5 | .... | .... | .... | .... | .... | .... |
| 30 | 30 | 0.312 | 0.5 | 0.625 | 0.375 | .... | .... | 0.5 | .... | .... | .... | .... | .... | .... |
| 36 | 36 | 0.312 | 0.5 | 0.625 | 0.375 | 0.75 | .... | 0.5 | .... | .... | .... | .... | .... | .... |
| 40 | 40 | .... | .... | .... | 0.375 | .... | .... | 0.5 | .... | .... | .... | .... | .... | .... |
| 42 | 42 | …….. | …….. | …….. | 0.375 | …….. | …….. | 0.5 | …….. | …….. | …….. | …….. | …….. | …….. |
| 48 | 48 | …….. | …….. | …….. | 0.375 | …….. | …….. | 0.5 | …….. | …….. | …….. | …….. | …….. | …….. |
| ASTM A350 LF6 Flanges | Tolerance | |
|---|---|---|
| A | Outside Diameter (O.D.) |
|
| D | Inside Diameter |
|
| B | Diameter of contact face |
|
| J | Diameter of hub at base |
|
| H | Diameter of hub at point of welding |
|
| P | Drilling |
|
| Eccentricity of bolt circle with respect to facing |
|
|
| C | Thickness |
|
| K | Length of hub |
|
| Class 150 Flanges | Class 300 Flanges | Class 600 Flanges | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NPS | # Bolts And Studs | Diameter of Bolts And Studs | Stud Length | # Bolts And Studs | Diameter of Bolts And Studs | Stud Length | # Bolts And Studs | Diameter of Bolts And Studs | Stud Length | |||
| 1/16 RF | RTJ | 1/16 RF | RTJ | 1/4 RF | RTJ | |||||||
| 1/2 | 4 | 0.50 | 2-1/4 | – | 4 | 0.50 | 2-1/2 | 3 | 4 | 0.50 | 3 | 3 |
| 3/4 | 4 | 0.50 | 2-1/2 | – | 4 | 0.63 | 3 | 3-1/2 | 4 | 0.63 | 3-1/2 | 3-1/2 |
| 1 | 4 | 0.50 | 2-1/2 | 3 | 4 | 0.63 | 3 | 3-1/2 | 4 | 0.63 | 3-1/2 | 3-1/2 |
| 1-1/4 | 4 | 0.50 | 2-3/4 | 3-1/4 | 4 | 0.63 | 3-1/4 | 3-3/4 | 4 | 0.63 | 3-3/4 | 3-3/4 |
| 1-1/2 | 4 | 0.50 | 2-3/4 | 3-1/4 | 4 | 0.75 | 3-1/2 | 4 | 4 | 0.75 | 4-1/4 | 4-1/4 |
| 2 | 4 | 0.63 | 3-1/4 | 3-3/4 | 8 | 0.63 | 3-1/2 | 4 | 8 | 0.63 | 4-1/4 | 4-1/4 |
| 2-1/2 | 4 | 0.63 | 3-1/2 | 4 | 8 | 0.75 | 4 | 4-1/2 | 8 | 0.75 | 4-3/4 | 4-3/4 |
| 3 | 4 | 0.63 | 3-1/2 | 4 | 8 | 0.75 | 4-1/4 | 4-3/4 | 8 | 0.75 | 5 | 5 |
| 3-1/2 | 8 | 0.63 | 3-1/2 | 4 | 8 | 0.75 | 4-1/4 | 5 | 8 | 0.88 | 5-1/2 | 5-1/2 |
| 4 | 8 | 0.63 | 3-1/2 | 4 | 8 | 0.75 | 4-1/2 | 5 | 8 | 0.88 | 5-3/4 | 5-3/4 |
| 5 | 8 | 0.75 | 3-3/4 | 4-1/4 | 8 | 0.75 | 4-3/4 | 5-1/4 | 8 | 1.00 | 6-1/2 | 6-1/2 |
| 6 | 8 | 0.75 | 4 | 4-1/2 | 12 | 0.75 | 4-3/4 | 5-1/2 | 12 | 1.00 | 6-3/4 | 6-3/4 |
| 8 | 8 | 0.75 | 4-1/4 | 4-3/4 | 12 | 0.88 | 5-1/2 | 6 | 12 | 1.13 | 7-1/2 | 7-3/4 |
| 10 | 12 | 0.88 | 4-1/2 | 5 | 16 | 1.00 | 6-1/4 | 6-3/4 | 16 | 1.25 | 8-1/2 | 8-1/2 |
| 12 | 12 | 0.88 | 4-3/4 | 5-1/4 | 16 | 1.13 | 6-3/4 | 7-1/4 | 20 | 1.25 | 8-3/4 | 8-3/4 |
| 14 | 12 | 1.00 | 5-1/4 | 5-3/4 | 20 | 1.13 | 7 | 7-1/2 | 20 | 1.38 | 9-1/4 | 9-1/4 |
| 16 | 16 | 1.00 | 5-1/4 | 5-3/4 | 20 | 1.25 | 7-1/2 | 8 | 20 | 1.50 | 10 | 10 |
| 18 | 16 | 1.13 | 5-3/4 | 6-1/4 | 24 | 1.25 | 7-3/4 | 8-1/4 | 20 | 1.63 | 10-3/4 | 10-3/4 |
| 20 | 20 | 1.13 | 6-1/4 | 6-3/4 | 24 | 1.25 | 8 | 8-3/4 | 24 | 1.63 | 11-1/4 | 11-1/2 |
| 24 | 20 | 1.25 | 6-3/4 | 7-1/4 | 24 | 1.50 | 9 | 10 | 24 | 1.88 | 13 | 13-1/4 |
Inch, Class 300, ANSI B16.5, ASTM A350 Lf6 Class 2 Plate Flanges
8 Inch, 300Lb, EN 1092-1, DN200, PN16, LTCS ASTM A350 Lf6 Ring Type Joint Flanges
8 Inch, Sch 40, 150 LB, A350 Gr Lf6 Carbon Steel Tongue & Groove Flanges
12 Inch, Sch 80, RF, Class 150, A350 Lf6 Grade Low Temperature Reducing Flanges
10 Inch, CL300, SCH STD, ASME B16.5, ASTM A350 Lf6 Class 1 And Class 2 Forged Flanges
30 Inch, 150LB, Raised Face, ASTM A350 Lf6 Raised Face Flanges
12 Inch, SCH 40, 150 LB RF, ASTM A350 Lf6 Class 2 Male and Female Flange
30 Inch, Class 600 LB, RF, ASME B16.5 LTCS Lf6 Bleed Ring
3 Inch, Class 300, SCH 40, Raised Face, LTCS ASTM A350 Lf6 Slip On Flanges
3 Inch, 300 LB, SCH 80, CS A350 Lf6 Socket Weld Flanges
3 Inch, 300 LB, RF, ANSI B16.5, Carbon Steel A350 LF6 Blind Flanges
2 Inch, 300#, SCH 80, A350 LF6 Weld Neck Flanges
1/2 Inch, 150 LB, RF, ASTM A350 Class 2 Threaded Flanges
1 Inch, SCH 40, Class 300, RF Ends, A350 Killed Carbon Steel Lap Joint Flanges
2 1/2 Inch, 150#, FF, SA350 Gr Cl1 Long Weld Neck Flanges
2 Inch x NPTF 1-1/2 Inch, B16.36, A350 Gr Class 1 Spectacle Blind Flanges
| ASTM A350 LF6 Carbon Steel Flanges | Philippines, Nigeria, Australia, UK |
| LTCS SA350 GR LF6 CL1 / CL2 Flanges | Oman, Malaysia, Hong Kong, UAE |
| A350 LF6 Class 1 and Class 2 Flange | South Africa, Bahrain, Singapore |
| ASTM A350 Class 2 Threaded Flanges | Ellington -United States, Poland, Canada, UK |
| A350 LF6 Carbon Steel Flanges | United Kingdom -UK, Europe, UAE, Malaysia |
| A350 Lf6 Cl1 Flanges | Canada, Singapore, Malaysia, Philippines |
| Sa350 Gr Lf6 Forged Flange | Japan, Europe, Romania, Malaysia |
| LTCS A350 LF6 Flanges | Colombia, Malaysia, Sweden, China |
| ASME SA 350 GR LF6 Weld Weld Flange | Dubai, Netherlands, Russia, Malaysia |
| ASTM A350 LF6 (ASME SA350) Flanges | South Africa, Saudi Arabia (KSA), Kuwait, Brazil |
| Carbon Steel A350 Lf6 Flanges | United Arab Emirates (UAE), Norway, Malaysia, Turkey |
| ASTM A350 Lf6 Flanges | Dammam -KSA, Indonesia, Belgium, Philippines. |
| ASTM A350 LF6 Pipe Flanges | France, Thailand, Europe, Qatar |
| Low-Temperature Carbon Steel LF6 Flanges | Germany, Czechia, Malaysia, Thailand |
| ASTM A350 LF6 Blind Flanges | Finland, Malaysia, USA, Bangladesh |
| ASTM A350 LF6 Weld Neck Flanges | Italy, Iran, Chile, Singapore |
| SA 350 Grade LF6 CL1 Flanges | Egypt, Spain, UK, Mexico |