Table of Contents
ToggleASTM A350 LF2 Flanges is used for both welding and screw types. The flanges are screwed or welded together with the pipes to form the connection. Carbon, silicon, manganese, phosphorus, sulfur, molybdenum, copper, chromium, nickel, vanadium, and niobium are all properties of the material. Western Steel Agency is a leading ASME SA 350 GR LF2 Flanges Manufacturer and Supplier in India. The A350 LF2 Class 1 Flange is the most often used, with Class 2 utilized in specialized applications. Heat treatment can also be used to harden the flanges. Normalizing and tempering are thermal treatment procedures. The A350 LF2 Blind Flange is a type of flange that is put to the ends of pipes to completely close a pipeline.
The Carbon Steel A350 LF2 Slip On Flanges are used with seamless pipes for easy installation because the flanges allow the pipes to slip onto the flange and move to the correct place before welding or attaching. Incomparable capacity, the ASTM A350 Grade LF2 Class 2 Pipe Flange is utilized. The ASTM A350 specification covers forged or ring-rolled carbon and low-alloy steel flanges, fittings, and valves. These ASTM A350 Grade LF2 components are primarily suited for use in low-temperature applications that need notch toughness testing.
Size | 1/2″ TO 4″ |
Range | 15 NB TO 100 NB IN 3000 LBS, 6000 LBS, 9000 LBS |
Grade | ASTM / ASME A105/ A105N/ A694 F42/46/52/56/60/65/70 / A350 LF3/ A350 LF2 |
Pressure Rating | 2000#, 3000#, 6000#, 9000# |
Class | 150#, 300#, 400#, 600#, 900#, 1500# & 2500#. |
Type | Socketweld Fittings, Screwed-Threaded Fittings |
Form | Tee, Union, Full Coupling, Half Coupling, Elbow 45 Deg & 90 Deg, Swage Nipple, Cross, Cap, Plug Bush |
Grade | C% | Mn% | Si% | S% | P% | Cr% | Ni% |
LF1 | 0.30 max | 0.6/1.35 | .15/.30 | .040 max | .035 max | 0.30 max | 0.40 max |
Lf2 | 0.30 max | 0.6/1.35 | .15/.30 | .040 max | .035 max | 0.30 max | 0.40 max |
LF3 | 0.20 max | 0.90 | .20/.35 | .040 max | .035 max | 0.30 max | 3.3/3.7 |
PROPERTIES | Imperial |
---|---|
TS Min psi (Mpa) | 70,000 (485) |
YS Min psi (Mpa) | 36,000 (250) |
EL (2″ Min) | 22% |
RA Min | 30% |
Hardness, Bhn | Max 197 |
-50ºF Charpy | Min Impact |
Energy F t/Lb (J):- | |
Set of 3 Specimen* | 15 (20) |
For One Specimen | 12 (16) |
Standard | Class | Diameter | Bolt Circle Diameter | Number of Bolts | Bolt Size | Diameter of Bolt Hole |
---|---|---|---|---|---|---|
AS4087 | PN14 | 95 | 67 | 4 | M12 | 14 |
AS 2129 Flange | Table C | 95 | 67 | 4 | 13 | 14 |
Table D | 95 | 67 | 4 | 13 | 14 | |
Table E | 95 | 67 | 4 | 13 | 14 | |
Table F | 95 | 67 | 4 | 13 | 14 | |
Table H | 114 | 83 | 4 | 16 | 17 | |
Table J | 114 | 83 | 4 | 16 | 17 | |
ASTM B16.5 | ASTM 150 | 89 | 60 | 4 | 13 | 16 |
ASTM 300 | 95 | 67 | 4 | 13 | 16 | |
ASTM 600 | 95 | 67 | 4 | 13 | 16 | |
ASTM 900 | 121 | 83 | 4 | 19 | 22 | |
ASTM 1500 | 121 | 83 | 4 | 19 | 22 | |
ISO 7005 (DIN) Flange | PN6 | 80 | 55 | 4 | M10 | 11 |
PN10 | 95 | 65 | 4 | M12 | 14 | |
PN16 | 95 | 65 | 4 | M12 | 14 | |
PN20 | 90 | 60.5 | 4 | M14 | 16 | |
PN25 | 95 | 65 | 4 | M12 | 14 | |
PN40 | 95 | 65 | 4 | M12 | 14 |
Material Group | Common Name | Material Type | UNS | Forging Spec. | Casting Spec. Equivalent | DIN | DIN W. No | Application |
---|---|---|---|---|---|---|---|---|
Carbon Steel | 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 | C-Mn-Fe | K03011 | A350-LF2 | A352-LCB A352-LCC | TASTE 355 DIN 18103 | 1.0566 | General non-corrosive service from -46ºC (-50ºF) to 340ºC (650ºF), LF2 -46ºC ~ 425ºC |
Low-Temperature Alloy Steel | Nickel Steel | 3.1/2Ni | K32025 | A350-LF3 | A352-LC3 | 10Ni14 | 1.5637 | -101ºC (150ºF) to 340ºC (650ºF) |
ASTM A350 LF2 Flanges Price Per Piece in India | ASME SA350 LF2 Flanges Price in INR |
ASTM A350 LF2 CL1/CL2 Flanges | $200.00/ Piece |
ASTM A350 LF2 Steel Flanges | $1.00-$500.00/ Piece |
150# RF SCH 80 ASME B16.5 ASTM A350 LF2 CL 1 LTCS WN Flanges | $5.00-$2,000.00/ Piece |
A350 LF2 Weld Neck Rtj / Orifice flanges | $1,200.00/ Piece |
AMERICAN SOCIETY OF MECHANICAL ENGINEERS (ASME) |
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Uses of ASTM A234 WPB Buttweld Fittings
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