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ASTM A350 LF2 Fittings Know As Low Temperature Carbon Steel Threaded Fittings

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ASTM A350 LF2 Fittings

ASTM A350 LF2 Fittings

Carbon Steel A350 Lf2 Forged Fitting

Carbon Steel A350 Lf2 Forged Fitting

SA350 Gr Lf2 Fitting

SA350 Gr Lf2 Fitting



SA350 Gr Lf2 Fitting Specification


Specification : ASTM A350 LF2 Fittings
Forged Type : NPT (Threaded), BSPT, BSPP.
Standard Of: DIN2605, JISB2312 Fittings, PN, AWWA C207, BS4504, BS1560, BS, GB, ISO, ASME B16.47, ASME B16.38, MSS-SP-43 Fittings, JISB2313, ASME B16.25 Fittings, MSS SP-75 Fittings, JISB2311, IS 2062, DIN, ANSI B16.28, ASME B16.9 Fittings, BS10
Connection Type : Welding
Pressure: Check Pressure Rating Of Socket, Threaded: 3000 LBS, 6000 LBS, 9000 LBS
Size Chart Of: 1/8” NB to 4” NB (NPT-SW Fitting)
Dimensions Class: 2000# Fittings, 3000# Fittings, 6000# Fittings, 9000# Fittings

Types Of Carbon Steel A350 Lf2 Forged Fitting


ASTM A350 Lf2 Forged Full Coupling

ASTM A350 Lf2 Forged Full Coupling

ASTM A350 Lf2 Socket Weld Cross

ASTM A350 Lf2 Socket Weld Cross

Carbon Steel ASTM A350 Lf2 Threaded Pipe Nipple

Carbon Steel ASTM A350 Threaded Pipe Nipple

ASTM A350 Lf2 Killed Carbon Steel Tee

ASTM A350 Lf2 Killed Carbon Steel Tee

ASTM A350 Gr Lf2 Carbon Steel Forged Half Coupling

ASTM A350 Gr Lf2 Carbon Steel Forged Half Coupling

ASTM A350 Lf2 Class 1 And Class 2 Threaded Union

ASTM A350 Class 1 And Class 2 Threaded Union

ASTM A350 Lf2 Class 1 Hex Plug

ASTM A350 Lf2 Class 1 Hex Plug

ASTM A350 Grade Lf2 Class 2 Street Elbow

ASTM A350 Grade Lf2 Class 2 Street Elbow

LTCS ASTM A350 Gr Lf2 Cl1 45 Deg Elbows

LTCS ASTM A350 Gr Cl1 45 Deg Elbows

CS ASTM A350 Gr Lf2 90 Deg Elbows

CS ASTM A350 Gr Lf2 90 Deg Elbows

SA350 Gr Lf2 Forged Cap

SA350 Gr Lf2 Forged Cap


A350 Lf2 Forged Fittings Equivalent Grades


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 TSTE 355 DIN 18103 1.0566 General non-corrosive service from -46ºC (-50ºF) to 340ºC (650ºF), LF2 -46ºC ~ 425ºC
LTCS Nickel Steel 3.1/2Ni K32025 A350-LF3 A352-LC3 10Ni14 1.5637 -101ºC (150ºF) to 340ºC (650ºF)

A350 Lf2 Elbow Temperature Range


Standard Impact Test Temperature for 10 * 10 millimeter Specimens
Gr./ Class Test Temperature
°F °C
LF1 -20 -29
LF2 CL1 -50 -46
LF2 CL2 -0 -18
LF3 CL1 & CL2 -150 -101
LF5 CL1 & CL2 -75 -59
LF6 CL1 & CL2 -60 -51
LF6 CL3 -0 -18
LF9 -100 -73
LF787 CL2 -75 -59
LF787 CL3 -100 -73

ASTM A350 Lf2 Class 1 Pipe Fittings Dimensions


ASTM A350 Lf2 Class 1 Pipe Fittings Dimensions

Common Dimensions Elbows, Tees & Crosses Laterals, Couplings & Caps

Nom.

Pipe

Size

Min.

Socket

Diameter

NPS.

Bore

Diameter

 A B C D E F G H J K L M N O P
3000 Pressure Class
1/8 0.42 0.269 0.8 0.9 0.7 0.9 0.4 0.3 1.1 0.8 0.4 0.7
1/4 0.555 0.364 0.8 0.9 0.7 0.9 0.4 0.3 1.1 0.9 1.62 0.7 1.25 0.3 0.4 0.9 0.8
3/8 0.69 0.493 0.9 1.1 0.7 1.1 0.5 0.3 1.1 1.1 1.88 0.8 1.44 0.4 0.4 1.3 0.8
1/2 0.855 0.622 1.1 1.3 0.8 1.3 0.6 0.4 1.3 1.3 2.06 0.8 1.62 0.4 0.4 1.3 0.8
3/4 1.065 0.824 1.3 1.5 1 1.5 0.8 0.5 1.5 1.5 2.53 1 2 0.4 0.6 1.5 1
1 1.33 1.049 1.4 1.8 1.1 1.8 0.9 0.6 1.6 1.9 2.94 1.1 2.38 0.5 0.6 1.8 1
1 1/4 1.675 1.38 1.7 2.3 1.2 2.3 1.1 0.7 1.6 2.3 3.44 1.3 2.81 0.6 0.6 2.3 1.1
1 1/2 1.915 1.61 1.9 2.5 1.3 2.5 1.3 0.8 1.6 2.5 3.88 1.4 3.19 0.7 0.6 2.5 1.1
2 2.406 2.067 2.3 3.1 1.7 3.1 1.5 1 2.1 3 4.69 1.6 3.88 0.8 0.7 3.1 1.3
2 1/2 2.906 2.469 2.9 3.6 2 4 1.6 1.1 2.1 3.6 6.88 2.1 5.94 1.2 0.7 3.6 1.3
3 3.535 3.068 3.3 4.3 2.4 4.6 2.3 1.3 2.1 4.4 8.5 2.5 7.25 1.3 0.7 5.1 1.4
4 4.545 4.026 4.2 5.8 3.1 5.8 2.6 1.6 2.4 5.5 13.6 4 12.1 2.5 0.8 6.8 1.6
6000 Pressure Class
3/8 0.69 0.344 1.1 1.3 0.9 1.3 0.6 0.4 1.1 1.3 2.12 0.9 1.5 0.3 0.4 1.3 0.9
1/2 0.855 0.464 1.3 1.5 1 1.5 0.8 0.5 1.3 1.5 2.56 1 2 0.4 0.4 1.5 0.9
3/4 1.065 0.612 1.5 1.8 1.1 1.8 0.9 0.6 1.5 1.8 3 1.1 2.38 0.5 0.6 1.8 1.1
1 1.33 0.815 1.7 2.3 1.3 2.3 1.1 0.7 1.6 2.3 3.5 1.3 2.81 0.6 0.6 2.3 1.2
1 1/4 1.675 1.16 2 2.5 1.3 2.5 1.3 0.8 1.6 2.5 3.94 1.4 3.19 0.7 0.6 2.5 1.2
1 1/2 1.915 1.338 2.3 3.1 1.7 3.1 1.5 1 1.6 3 4.75 1.7 3.88 0.8 0.6 3.1 1.3
2 2.406 1.687 2.5 3.4 1.8 3.4 1.6 1.1 2.1 3.6 6.88 2.1 6 1.3 0.7 3.6 1.4
2 1/2 2.906 2.125 3.2 4 2 4 2.3 1.3 2.1 4.3 8.5 2.5 7.5 1.5 0.7 5.1 1.4
3 3.535 2.624 3.7 4.8 2.4 4.6 2.5 1.4 2.1 5 8.5 2.5 7.25 1.3 0.7 5.1 1.6
4 4.545 3.438 4.5 6 3.1 5.8 2.6 1.6 2.4 6.3 13.6 4 12.1 2.5 0.8 6.8 1.8

Low Temperature Steel A350 Lf2 Forged 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
LTCS NO EQUIV A352 LC1 0.5Mo -59ºC
LTCS A350 LF2 A352 LCB Carbon Steel -46ºC

SA350 Gr Lf2 Cl1 Forged Fittings Chemical Requirements


Element Composition, w.t % Grades
Carbon Steel LF1 Carbon Steel LF2 Carbon Steel LF3 Carbon Steel LF5 Carbon Steel LF6 Carbon Steel LF9 Carbon Steel LF787
C ≤0.30 ≤0.30 ≤0.20 ≤0.30 ≤0.22 ≤0.20 ≤0.07
Mn 0.60-1.35 0.60-1.35 ≤0.90 0.60-1.35 1.15–1.50 0.40–1.06 0.40–0.70
P ≤0.035 ≤0.035 ≤0.035 ≤0.035 ≤0.025 ≤0.035 ≤0.025
S ≤0.040 ≤0.040 ≤0.040 ≤0.040 ≤0.025 ≤0.040 ≤0.025
Si 0.15-0.30 0.15-0.30 0.20-0.35 0.20-0.35 0.15-0.30 ... ≤0.40
Ni ≤0.40 ≤0.40 3.30-3.70 1.00-2.00 ≤0.40 1.60-2.24 0.70–1.00
Cr ≤0.30 ≤0.30 ≤0.30 ≤0.30 ≤0.30 ≤0.30 0.60–0.90
Mo ≤0.12 ≤0.12 ≤0.12 ≤0.12 ≤0.12 ≤0.12 0.15-0.25
Cu ≤0.40 ≤0.40 ≤0.40 ≤0.40 ≤0.40 0.75–1.25 1.00-1.30
Cb ≤0.02 ≤0.02 ≤0.02 ≤0.02 ≤0.02 ≤0.02 ≥0.02
V ≤0.08 ≤0.08 ≤0.03 ≤0.03 0.04-0.11 ≤0.03 ≤0.03
N ... ... ... ... 0.01–0.030 ... ...

NPT SA350 Gr Lf2 Forged Fittings Mechanical Requirements


Grade/Class Tensile Strength Yield Strength, min. Elongation, min. Hardness, max.
ksi MPa ksi MPa % HBW
Carbon Steel LF1 CL1 60-85 415–585 30 205 25 197
Carbon Steel LF5 CL1 60-85 415–585 30 205 25 197
Carbon Steel LF2 CL1 70–95 485–655 36 250 22 197
Carbon Steel LF2 CL2 70–95 485–655 36 250 22 197
Carbon Steel LF3 CL1 70–95 485–655 37.5 260 22 197
Carbon Steel LF3 CL2 70–95 485–655 37.5 260 22 197
Carbon Steel LF5 CL2 70–95 485–655 37.5 260 22 197
Carbon Steel LF6 CL1 66–91 455–630 52 360 22 197
Carbon Steel LF6 CL2 75–100 515–690 60 415 20 197
Carbon Steel LF6 CL3 75–100 515–690 60 415 20 197
Carbon Steel LF9 63–88 435–605 46 315 25 197
Carbon Steel LF787 CL2 65-85 450-585 55 380 20 197
Carbon Steel LF787 CL3 75-95 515-655 65 450 20 197