ASTM A350 LF2 Flanges

LTCS SA350 LF2 CL1 Blind Flange and LF2 Class 2 Weld Neck Flanges manufacturer in India.

ASTM A350 Lf2 Flanges

ASTM A350 Lf2 Flanges

Carbon Steel A350 Lf2 Flanges

Carbon Steel A350 Lf2 Flanges

A350 Lf2 Class 1 Weld Neck Flanges

A350 Lf2 Class 1 Weld Neck Flanges


Table Of Contents

carbon steel a350 lf2 flanges

a350 lf2 cl1 flanges

What Does A350 Lf2 Mean?

A350 Lf2 are made up of general carbon steel. The material can be supplied as normalized, normalized quenched or normalized tempered conditions. Carbon Steel A350 LF2 Flange vary in shape and sizes, and their dimensions differ. SA350 LF2 Flanges can be categorized into two main standards according to the bore diameter. The B16.5 standard which covers the range of ½ inch to 24 inches and the B16.47 standard which covers the range of 26 inches up to 60 inches are the two main standards. ASTM A350 LF2 Flanges can be open or closed.

What Use Of A350 Lf2 Class 1 Weld Neck Flanges?

Depending on their use case they can have raised faces or flat faces. Special cases like the A350 Lf2 Class 1 Weld Neck Flange have welded necks attached for extra grip and welding surface onto the piping. There are ring type joint flanges which are used with grooves in them so that a gasket can fit in between and make the connection tighter.

LTCS Blind Flange Used Seal The Open End Of A Pipe?

low temperature carbon steel blind flange are affordable and could be worked under cold condition but their corrosion resistance is not as good as the alloy flanges. A350 LF2 Blind Flange is a type of A350 LF2 class which is used to seal the open end of a pipe rather than connecting two pipes together. The A350 LF2 Class 2 is important in connections where higher bending stress is expected. The extra length and surface provided by the welded neck holds the connection under bending stress and without breaking. LTCS Blind Flange is a low temperature carbon steel forged flange. It usually comes with a flat plate at one end with bolting holes to connect it to the pipe. Ltcs Astm A350 LF2 Flanges available in different dimensions and shapes from Rajtilak Metal. A350 LF2 Steel Flanges can be used in applications which require moderate strength. The A350 LF2 Carbon Steel Blind Flanges could be used to seal open endings in a moderate impact toughness requirement but with less corrosion risks.

A350 Lf2 Flange Price
Type Of Flanges Size Material Class Price In India (INR)
Blind Flanges 3/4" ASTM A350 Lf2 Class 150 210.00
BLRF 1" ASTM A350 Lf2 Class 150 350.00
BLRF 1-1/2" ASTM A350 Lf2 Class 150 460.00
BLRF 2" ASTM A350 Lf2 Class 150 699.00
Weld Neck Flanges 2" X SCH STD ASTM A350 Lf2 Class 150 530.45
WNRF 3" X SCH STD ASTM A350 Lf2 Class 150 820.45
WNRF 4" X SCH STD ASTM A350 Lf2 Class 150 920.45
WNRF 6" X SCH STD ASTM A350 Lf2 Class 150 1650.45
Slip On Flanges 2" ASTM A350 Lf2 Class 150 330.34
SORF 3" ASTM A350 Lf2 Class 150 470.34
SORF 10" ASTM A350 Lf2 Class 150 2400.34
SORF 20" ASTM A350 Lf2 Class 150 10800
Socket Weld Flanges 3/4" X SCH XS ASTM A350 Lf2 Class 150 210.00
SWRF 1" X SCH XS ASTM A350 Lf2 Class 150 350.76
SWRF 1-1/2” X SCH XS ASTM A350 Lf2 Class 150 540.00
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Please note this is an approx Price of ASTM A350 LF2 flanges in India. For final A350 Lf2 Class 1 Price List Please Call on 91 - 22 - 67437342 or drop an Email to info@rajtilakmetal.com.


ASTM A350 LF2 Flanges


Find here A350 Lf2 Temperature Range, SA A350 Lf2 Material Specification, & LTCS A350 LF2 Slip On Flange Weight Chart.


SA A350 Lf2 Material Specification

Material Specification Of : ASTM A350 LF2 Flanges
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) Flanges, Weld Neck (WNRF) Flanges, Blind (BLRF) Flanges, Lap Joint (Loose) Flanges, Threaded (NPT) Flanges, Socket-Weld (SWRF) Flanges
Special Types Of Flanges : Nipoflange, Elboflange, Latroflange, Swivel Flanges, Expanding Flanges, Reducing Flanges, Weldoflange
Marking Standard Name of Manufacturer
Schedule
Type of Flange Facing
Nominal Pipe Size
Pressure Class
ASME B16 Designation
Standard Cover : pressure ratings & temperature ratings, materials, marking, dimensions, weight, tolerances, testing
Contact Faces RTJ (Ring Type Joint) Flanges, FF (Flat Face) Flanges, RF (Raised Face) Flanges, T/G (Tongue And Groove ) Flanges, M/F (Male And Female) Flanges
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 Flanges, JIS Flanges, ASME B16.5 Flanges, ASME B16.47 type A Flanges, UNI Flanges, DIN Flanges
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 Flanges, DIN Flanges, UNI Flanges, EN 1092-1 Flanges
South African Standard Flanges SANS flanges And SABS flanges
Surface Finish smooth, concentric serrated, stock
Gaskets Types Full Face Gasket Flanges
Flat Ring Gasket Flanges
Metallic Ring Gakset Flanges
Advantages Of Pipe Flange Used to Connect Pipe System
Easy Repair Pipe System
Assembled Without Welding

ASTM A350 Lf2 Chemical Composition And Check Low Temperature Carbon Steel A350 Lf2 Blind Flanges Dimensions Chart.


ASTM A350 Lf2 Class 1 Chemical Composition And Mechanical Properties

Chemical Composition Mechanical Properties
C 0.30 Maximum TS Min psi (Mpa) 70,000 (485)
Mn 0.60 – 1.35 YS Min psi (Mpa) 36,000 (250)
Si 0.15 – 0.30 EL (2″ Min) 22%
P 0.035 Maximum RA Min 30%
S 0.040 Maximum Hardness, Bhn Maximum 197
Cr 0.30 Maximum -50ºF Charpy Min Impact
Ni 0.40 Maximum Energy F t/Lb (J):-
Mo 0.12 Maximum Set of 3 Specimen* 15 (20)
V 0.08 Maximum For One Specimen 12 (16)
Cb 0.02 Maximum
Cu 0.04 Maximum
Pb 0.02 Maximum
Total Residuals = 0.50

Carbon Steel A350 Lf2 Flanges Physical Properties

  • Class 1 HB: after heat treatment
  • Yield Strength: > 250 MPa
  • Tensile Strength: 485 - 655 MPa
  • Elongation: > 22 %
  • Hardness HB: < 197
  • Reduction of area: > 30 %
  • Impact energy KV -50°F [-45°С]: > 16 J

A350 Lf2 Cl1 Yield Strength

PHYSICAL PROPERTIES KEY CAST
CARBON STEEL (CS)		 FORGED
0.30/0.35 C Maximum A216-WCB A105
0.25 C Maximum A216-WCC
LOW TEMPERATURE CARBON STEEL (LTCS)
0.25/0.30 C Maximum A352-LCB A350-LF2
0.5 Mo A352-LC1
2.5 Ni A352-LC2
3.5 Ni A352-LC3
C-MN-Si (0.25 Maximum) A352-LCC A350-LF3
C-MN-Si-V (1.15~1.50 Mn) A350-LF6

Low Temperature Carbon Steel Flange Pressure Rating Type

Steel Type Grade (forging) Grade (cast) Composition Min Temperature
Austenitic A182, F316 A351 CF8M 18Cr, 8Ni, 2Mo -196ºC
Nickel Based Steel A350 LF3 A352 LC3 3 1/2Ni -101ºC
Nickel Based Steel NO EQUIV A352 LC2 2 1/2Ni -73ºC
Low Temp Carbon Steel (LTCS) NO EQUIV A352 LC1 0.5Mo -59ºC
Low Temp Carbon Steel (LTCS) A350 LF2 A352 LCB Carbon Steel -46ºC

ASTM A350 Lf2 Class 1 Equivalent

Group Of Material Common Name Of Material Type Of Material UNS Forging Spec. Casting Spec. Equivalent DIN DIN W. No Application
Carbon Steel (CS) CS C-Si K03504 A105 A216-WCB C22.8 DIN 17243 1.0460 General non-corrosive service from -29ºC (-20ºF) to 425ºC (800ºF)
Low Temperature Carbon Steel (LTCS) LTCS C-Mn-Fe K03011 A350-LF2 A352-LCB A352-LCC TSTE 355 DIN 18103 1.0566 General non-corrosive service from -46ºC (-50ºF) to 340ºC (650ºF), LF2 -46ºC ~ 425ºC
Low Temperature Alloy Steel (LTAS) Nickel Steel 3.1/2Ni K32025 A350-LF3 A352-LC3 10Ni14 1.5637 -101ºC (150ºF) to 340ºC (650ºF)

SA350 Lf2 Flanges Thermal Expansion

Properties Metric Imperial
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

ASTM A350 LF2 Flanges Tensile Properties For Room Temperature

  LF1 and LF5 CL 1 LF2 CL 1 and 2 LF3 CL 1 and LF 5 Class 2 LF 6 LF 9 LF 787
        Class 1 Class   Class 2 Class 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

Pressure Rating Chart Of A350 Gr Lf2 Class 1 Weld Neck Flange And LTCS A350 Lf2 Socket Weld Flanges Thickness Calculation.

A350 Lf2 Pressure-Temperature Rating

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

Standard Dimensions Of LTCS Flange

Standard Dimensions Of LTCS Flange


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

ASTM A350 Standard Schedule Chart

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

LTCS A350 LF2 Flanges Thickness Calculation

ASTM A350 LF2 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 Lf2 Blind Flange Tolerance Formula

ASME B16.5Tolerance
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)

Carbon Steel A350 LF2 Flanges Bolt Chart And Low Temperature Carbon Steel ASTM A350 Gr. Lf2 Class 2 Flange Mechanical Properties.

ASME SA 350 GR LF2 Bolt 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

Low Temperature Carbon Steel Slip On Flange Gasket Size Chart

NPS Gasket I.D.
 Gasket O.D.
Class 150 Class 300 Class 400 Class 600 Class 900
1/2 0.84 1.875 2.125 2.125 2.125 2.50
3/4 1.06 2.25 2.625 2.625 2.625 2.75
1 1.31 2.625 2.875 2.875 2.875 3.125
1 1/4 1.66 3 3.25 3.25 3.25 3.50
1 1/2 1.91 3.375 3.75 3.75 3.75 3.875
2 2.38 4.125 4.375 4.375 4.375 5.625
2 1/2 2.88 4.875 5.125 5.125 5.125 6.50
3 3.50 5.375 5.875 5.875 5.875 6.625
4 4.50 6.875 7.125 7.00 7.625 8.125
5 5.56 7.75 8.50 8.375 9.50 9.75
6 6.62 8.75 9.875 9.75 10.50 11.375
8 8.62 11 12.125 12.00 12.625 14.125
10 10.75 13.375 14.25 14.125 15.75 17.125
12 12.75 16.125 16.625 16.50 18.00 19.625

Buy Types Of ASTM A350 LF2 Flanges Best Price And Fast Delivery

2 Inch, SCH 40, Class 600, RF, BS EN 10204-3.1, LTCS ASTM A350 Lf2 Slip On Flanges

2 Inch, SCH 40, Class 600, RF, BS EN 10204-3.1, LTCS ASTM A350 Lf2 Slip On Flanges

8 Inch, RF, 600#, ASME B16.5, CS A350 Lf2 Socket Weld Flanges

8 Inch, RF, 600#, ASME B16.5, CS A350 Lf2 Socket Weld Flanges

Carbon Steel A350 LF2 Blind Flanges

Carbon Steel A350 LF2 Blind Flanges

4 Inch, Sch 40, Class 300, A350 LF2 Weld Neck Flanges

4 Inch, Sch 40, Class 300, A350 LF2 Weld Neck Flanges

10 Inch, SCH 10, 2500#, ASTM A350 Class 2 Threaded Flanges

10 Inch, SCH 10, 2500#, ASTM A350 Class 2 Threaded Flanges

40 Inch Class 150, Raised Face, A350 Lf2 Killed Carbon Steel Lap Joint Flanges

40 Inch Class 150, Raised Face, A350 Lf2 Killed Carbon Steel Lap Joint Flanges

36 Inch, BS 3293, Raised Face, 150#, SA350 Gr Lf2 Cl1 Long Weld Neck Flanges

36 Inch, BS 3293, Raised Face, 150#, SA350 Gr Lf2 Cl1 Long Weld Neck Flanges

3 Inch, 300#, SCH 80, ANSI B16.5, Raised Face, A350 Gr Lf2 Class 1 Spectacle Blind Flanges

3 Inch, 300#, SCH 80, ANSI B16.5, Raised Face, A350 Gr Lf2 Class 1 Spectacle Blind Flanges

ASTM A105, 12 Inch, Raised Face, ASTM A350 Lf2 Class 2 Plate Flanges

ASTM A105, 12 Inch, Raised Face, ASTM A350 Lf2 Class 2 Plate Flanges

10 Inch, Class 150 LB, SCH 40, LTCS ASTM A350 Ring Type Joint Flanges

10 Inch, Class 150 LB, SCH 40, LTCS ASTM A350 Ring Type Joint Flanges

30 Inch, SCH 40, Class 600 LB, RF, A350 Gr Carbon Steel Tongue & Groove Flanges

30 Inch, SCH 40, Class 600 LB, RF, A350 Gr Carbon Steel Tongue & Groove Flanges

30 Inch, 150LB, Raised Face, A350 Grade Low Temperature Reducing Flanges

30 Inch, 150LB, Raised Face, A350 Grade Low Temperature Reducing Flanges

10 Inch, CL300, SCH STD, ASTM A350 Class 1 And Class 2 Forged Flanges

10 Inch, CL300, SCH STD, ASTM A350 Class 1 And Class 2 Forged Flanges

2 Inch, SCH 80 ANSI B16.48, CL1500, ASTM A350 Raised Face Flanges

2 Inch, SCH 80 ANSI B16.48, CL1500, ASTM A350 Raised Face Flanges

28 Inch, Class 150, RF, ASME B16.47, ASTM A350 Class 2 Male and Female Flange

28 Inch, Class 150, RF, ASME B16.47, ASTM A350 Class 2 Male and Female Flange

10 Inch, Class 300, SCH STD, ASME B16.5 LTCS Bleed Ring

10 Inch, Class 300, SCH STD, ASME B16.5 LTCS Bleed Ring


We Supplied A Comprehensive Range Of ASTM A350 LF2 Flanges To The Following Locations

Carbon Steel A350 Lf2 Flanges United Arab Emirates (UAE), Norway, Malaysia, Turkey
ASTM A350 Lf2 Flanges Dammam -KSA, Indonesia, Belgium, Philippines.
A350 Lf2 Cl1 Flanges Canada, Singapore, Malaysia, Philippines
Sa350 Gr Lf2 Forged Flange Japan, Europe, Romania, Malaysia
LTCS A350 LF2 Flanges Colombia, Malaysia, Sweden, China
ASME SA 350 GR LF2 Weld Weld Flange Dubai, Netherlands, Russia, Malaysia
ASTM A350 LF2 (ASME SA350) Flanges South Africa, Saudi Arabia (KSA), Kuwait, Brazil
ASTM A350 LF2 Carbon Steel Flanges Philippines, Nigeria, Australia, UK
LTCS SA350 GR LF2 CL1 / CL2 Flanges Oman, Malaysia, Hong Kong, UAE
A350 LF2 Class 1 and Class 2 Flange South Africa, Bahrain, Singapore
ASTM A350 LF2 Pipe Flanges France, Thailand, Europe, Qatar
Low-Temperature Carbon steel Flanges Germany, Czechia, Malaysia, Thailand
ASTM A350 LF2 Blind Flanges Finland, Malaysia, USA, Bangladesh
ASTM A350 LF2 Weld Neck Flanges Italy, Iran, Chile, Singapore
SA 350 Grade LF2 CL1 Flanges Egypt, Spain, UK, Mexico
ASTM A350 Class 2 Threaded Flanges Ellington -United States, Poland, Canada, UK
A350 LF2 Carbon Steel Flanges United Kingdom -UK, Europe, UAE, Malaysia

Have A Query? Drop Us An Email

Call Now : +91 9869506920


About Company

We Are EIL And IBR Approved Manufacturer, Exporter, Stockholder, Traders, Dealer, Importer, Wholesaler, Distributor, Supplier of Industrial Pipe Fittings & Flanges, Forgings And Fasteners In Mumbai, India.


Our Official Address

153 / 154, “A” Wing, Siddheshdeep Tower,
Shop No. A-28, Ground Floor, P.B. Marg, Near Navjivan Society,
Mumbai– 400 008 (India).


Telephone & Fax No.

Tel Number : +91 - 22 - 6743 7342,
+91 - 22 - 6659 5135
Fax Number : +91 - 22 - 66595135

Contact our sales representatives in the following countries:
Poland | Malaysia | Singapore | UAE | USA | UK | Philippines | Iran | Italy