ASTM A350 LF6 Flanges
One Of India’s Largest Manufacturers Of ASTM A350 Lf6 Yield Strength Pipe Flanges In India, Global Suppliers of Carbon Steel SA A350 LF6 Material.
Manufacting high-class A350 LF6 CS Blind Flanges, A reliable Ltcs Astm A350 LF6 Flanges supplier in India, Looking to buy Sa350 Lf6 class 1 Slip On Flanges? contact Rajtilak Metal.
The 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 astm a350 gr 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.

ASTM A350 LF6 Flanges

A350 LF6 CL2 Pipe Flanges

SA A350 LF6 Material
Table of contents
- What is ASTM A350 LF6?
- ASTM A350 LF6 Weld Neck Flanges Price List In India
- A350 Lf6 Specification
- Types Of ASTM A350 LF6 Flanges
- ASTM A350 Lf6 Class 2 Plate Flanges
- LTCS ASTM A350 Lf6 Ring Type Joint Flanges
- A350 Gr Lf6 Carbon Steel Tongue & Groove Flanges
- A350 Lf6 Grade Low Temperature Reducing Flanges
- ASTM A350 Lf6 Class 1 And Class 2 Forged Flanges
- ASTM A350 Lf6 Raised Face Flanges
- ASTM A350 Lf6 Class 2 Male and Female Flange
- ASME B16.5 Lf6 LTCS Lf6 Bleed Ring
- LTCS ASTM A350 Lf6 Slip On Flanges
- CS A350 Lf6 Socket Weld Flanges
- Carbon Steel A350 LF6 Blind Flanges
- A350 LF6 Weld Neck Flanges
- ASTM A350 Lf6 Class 2 Threaded Flanges
- A350 Lf6 Killed Carbon Steel Lap Joint Flanges
- SA350 Gr Lf6 Cl1 Long Weld Neck Flanges
- A350 Gr Lf6 Class 1 Spectacle Blind Flanges
Buy A350 Lf6 Killed Carbon Steel Sa350 Lf6 Steel Threaded Flanges Certified & Tested, ASME SA350 Grade.Lf6 Yield Carbon Steel Flanges Delivering everywhere, Held wide stock of Black Carbon Steel A350 LF6 Class 2 Paddle Blank Flanges, Accept all small/ Large Orders of ASTM A350 Lf6 Class 2 Grade Pipe Flanges.
The steel specimens, in this case astm a350 lf6 class 1 flanges 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.
What is ASTM A350 LF6?

The materials, namely the carbon steel ltcs flanges lf6 ltcs flange 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 carbon astm a350 lf6 blind flanges.
ASTM A350 LF6 Weld Neck Flanges Price List In India
SR NO | QTY | Description | PRICE (USD$) PER PICE |
1 | 50 | Blind 2" RF | $2.82 |
2 | 100 | Blind 4" Class 150 RF | $8.36 |
3 | 40 | Blind 4" 600 RF | $28.75 |
4 | 60 | Weld neck 4" 600 Sch 160 RF | $44.40 |
5 | 30 | Slip on 3" 300 RF | $12.45 |
6 | 120 | Slip on 4" 150 RF | $10.73 |
7 | 100 | Threaded 2" 600 RF | $12.33 |
8 | 300 | Threaded 3" 150 RF | $7.45 |
9 | 45 | Weld neck 2" 150 XH RF | $4.40 |
10 | 20 | Slip on 10" 150 RF | $31.76 |
11 | 150 | Threaded 2" RF | $3.07 |
12 | 36 | Blind 8" Class 300 RF | $42.70 |
13 | 32 | Weld neck 2" 300 XH RF | $9.40 |
14 | 80 | Weld neck Carbon Steel 2" 600 XH RF | $9.60 |
Please note this is an approx Price of ASTM A350 LF6 Flanges in India. For final A350 LF6 CL2 Pipe Flanges Price List Please Call on 91 - 22 - 67437342 or drop an Email to info@rajtilakmetal.com.
A350 Lf6 Specification
A350 Lf6 Material: | ASTM A350 LF6 Class 1/ A350 LF6 Class 2 |
---|---|
ASTM A350 LF6 Standard: | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc. |
ANSI : | 150 to 2500 Size: 1/2"-24" |
AWWA ClaLTCS Material: | classes B, D, E, F Size: 3"-144" |
ASTM Yield Strength Pipe Flanges Size Range: | 1/2″ (15 NB) to 48″ (1200NB), ASME B16.47 Flanges size range: 26″ to 60″ |
Carbon Steel Material Pressure: | 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc. |
Flange Face Type: | Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ), LJ, FM , R.T.J , R.J and so on |
Ltcs Flanges Specialized in: | ASTM A105/105N SORF, Sa350 Cl2 SWFF, Sa350 Steel Threaded RF, A350-1 Threaded FF & LJ, A350 Forgings SOFF, A350 Gr BLRF, A350 Gr Cl1 BLFF, A350 Gr Class 1 WNRF, Sa350 WNFF, Sa350 Class 1 SWRF. |
Sa350 class 1 Slip On Flanges Origin: | European Origin, Indian Origin, US Origin, Korean Origin, Sweden Origin, Ukraine Origin, Japanese Origin Materials |
ASTM A350 Class 2 Grade Pipe Flanges Manufacturing Dimensions: | ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc. |
ASTM A350 pressure classes: | 150, 300, 400, 600, 900, 1500 and 2500 for ASME B16.5 |
LTCS ASTM A350 Flanges Delivery: | 15-20 days |
Sa350 Spectacle Blind Flanges pressure classes: | 75, 150, 300, 400, 600, 900 for ASME B16.47 |
Top 10 Manufacturer of A350 Killed Carbon Steel High Hub Flanges: | Raccortubi S.p.A. Flanges, Spain, TecnoForge Flanges, Italy, Italy, Erne Fittings Flanges, Austria, Melesi Flanges, Italy, Mega Flanges, Italy, Ulma Flanges, BENKAN Corporation Flanges, Japan, BKL- Thai Benkan Flanges, Thailand, Lame S.r.l. Flanges, Italy, Metal far Flanges, Italy, Rajtilak Metal, India |
Prestige quality ASTM A350 LF6 Flanges manufacturers in India offer these A350 Gr Lf6 Cl2 Weld Neck Flanges in EN, DIN, ISO, BS, JIS or ANSI standard.
Types Of ASTM A350 LF6 Flanges

ASTM A350 Lf6 Class 2 Plate Flanges

LTCS ASTM A350 Lf6 Ring Type Joint Flanges

A350 Gr Lf6 Carbon Steel Tongue & Groove Flanges

A350 Lf6 Grade Low Temperature Reducing Flanges

ASTM A350 Lf6 Class 1 And Class 2 Forged Flanges

ASTM A350 Lf6 Raised Face Flanges

ASTM A350 Lf6 Class 2 Male and Female Flange

ASME B16.5 LTCS Lf6 Bleed Ring

LTCS ASTM A350 Lf6 Slip On Flanges

CS A350 Lf6 Socket Weld Flanges

Carbon Steel A350 LF6 Blind Flanges

A350 LF6 Weld Neck Flanges

ASTM A350 Class 2 Threaded Flanges

A350 Killed Carbon Steel Lap Joint Flanges

SA350 Gr Cl1 Long Weld Neck Flanges

A350 Gr Class 1 Spectacle Blind Flanges
Rajtilak Metal is an ISO certified ASTM A350 LF6 Flanges manufacturers & ASTM A350 Gr Lf6 Cl1 Weld Neck Flanges distributor in India
ASTM A350 Lf6 Chemical Composition
Element | Composition |
---|---|
Carbon, max | 0.20 max |
Manganese | 0.90 max |
Phosphorus, max | 0.035 max |
Sulfur, max | 0.040 max |
Silicon [Note A] | 0.20–0.35 |
Nickel | 3.3–3.7 |
Chromium | 0.30 max [Note C] |
Molybdenum | 0.12 max [Note C] |
Copper | 0.40 max |
Columbium | 0.02 max |
Vanadium | 0.03 max |
ASTM A350 Lf6 Mechanical Properties
Grade/Class | Tensile Strength | Yield Strength, min. | Elongation, min. | Hardness, max. | ||
ksi | MPa | ksi | MPa | % | HBW | |
LF6 CL1 | 66–91 | 455–630 | 52 | 360 | 22 | 197 |
LF6 CL2 | 75–100 | 515–690 | 60 | 415 | 20 | 197 |
LF6 CL3 | 75–100 | 515–690 | 60 | 415 | 20 | 197 |
*1. The elongation values are on the basis of standard round specimen, or small proportional specimen, min % in 4D gauge length.
*2. The yield strength shall be determined by either the 0.2 % offset method or the 0.5 % extension under load method.
Low Temperature Steel Types
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 | NO EQUIV | A352 LC1 | 0.5Mo | -59ºC |
Low Temp Carbon Steel | A350 LF2 | A352 LCB | Carbon Steel | -46ºC |
A350 Lf6 Yield Strength Tensile Properties at Room Temperature
LF1 and LF5 Class 1 | LF2 Classes 1 and 2 | LF3 Classes 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, min, 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, min % 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; min % in 2 in. (50 mm) | 28 | 30 | 30 | 30 | 28 | 28 | 28 | 28 |
Equation for calculating min elongation for strip specimens thinner than 5⁄16 in. (7.94 mm); min % 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, min, % | 38 | 30 | 35 | 40 | 40 | 38 | 45 | 45 |
Charpy V-Notch Energy Requirements for standard Size [10 by 10 mm] Specimens
Grade | Minimum Impact Energy Required for Average of Each Set of Three Specimens, ft·lbf[j] | Minimum Impact Eneragy Permitted for One Specimen only of a Set, ft-lbf[J] |
---|---|---|
LF1 and LF9 |
13 [18] |
10 [14] |
15 [20] |
12 [16] |
|
15 [20] |
12 [16] |
|
LF5 Class 1 and 2 |
15 [20] |
12 [16] |
LF 787 Classes 2 and 3 |
15 [20] |
12 [16] |
LF6, Class 1 |
15 [20] |
12 [16] |
|
|
|
20 [27] |
15 [20] |
|
LF3, Class 2 |
20 [27] |
15 [20] |
LF6, Classes 2 and 3 |
20 [27] |
15 [20] |
Standard Impact Test Temperature for Standard Size [10 by 10 mm] Specimens
Grade | Test Temperature, °F |
---|---|
LF1 | -20[-29] |
LF2 Class | -50[-46] |
LF2 Class | -0[-18] |
LF3 Class 1 and 2 | -15[-101] |
LF5 Classes 1 and 2 | -75[-59] |
LF6 Classes1 and 2 | -60[-51] |
LF6 Class 3 | -0[-18] |
LF9 | -10[-73] |
LF787 Class 2 | -75[-59] |
LF787 Class 3 | -100[-73] |
Carbon Steel SA A350 LF6 Flange Standard
ASME/ANSI B16.5 and B16.47 | Welding Neck Flange, Slip on Flange, Blind Flange, High Hub Blind Flange, Socket Weld Flange, Lap Joint Flange, Threaded Flange, Ring Type Joint Flange |
Pressure Class | 150, 300, 400, 600, 900, 1500, 2500 |
PN Standards | PN 2.5 TO PN 40 |
BS Standards | BS10, BS4504 |
Table | D, E, F, H |
DIN Flanges | DIN 2527, 2566, 2573, 2576, 2641,2642, 2655, 2656, 2627, 2628, 2629, 2631, 2632, 2633, 2634, 2635, 2636, 2637,2638, 2673 |
EN Flanges | EN 1092, EN 1092-1, EN 1092-2 |
LTCS ASTM A350 LF6 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 |
A350 Lf6 Temperature
TEMP °C |
150 | 300 | 400 | 600 | 900 | 1500 | 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 |
TEMP °C |
150 | 300 | 400 | 600 | 900 | 1500 | 2500 |
Product Forms & Dimensional Standards
The Dimensional Standards for ASTM A350 Forgings | |
---|---|
ASME B16.5 | Steel Pipe Flanges and Flanged Fittings |
ASME B16.9 | Factory-MadeWroughtSteelButt-WeldingFittings |
ASME B16.11 | Forged Steel Fittings, Socket-Welding and Threaded4 |
ASME B16.34 | Valves-Flanged, Threaded, and Welding End |
ASME B16.47 | Large Diameter Steel Flanges |
API 600 | Steel Gate Valves with Flanged or Butt-Welding Ends |
API 602 | Compact Design Carbon Steel Gate Valves for Refinery Use |
API 605 | Large Diameter Carbon Steel Flanges |