ASTM A350 LF2 Forged Fittings Manufacturer

ASTM A350 LF2 Pipe Fittings Manufacturer and Supplier in India

ASTM A350 LF2 Pipe Fittings are forged low-temperature carbon steel fittings designed for pressure piping that requires strength and impact toughness. These fittings are offered in Class 1 and Class 2 and may be furnished threaded, screwed, or socket-weld and have nominal bore sizes from 1/8" to 36". They are available in various forms such as elbows, tees, couplings, unions, caps, plugs, bushings and nipples, which are produced to dimensional requirements including ASME B16.11 and related forged fitting standards. They are used in oil & gas, petrochemical, fluid transmission and process piping systems. Solitaire Overseas is the manufacturer and supplier of ASTM A350 LF2 Pipe Fittings in India, available in different sizes, pressure classes, and configurations, as per the project requirement.

Technical Data

Specifications Chemical Composition Mechanical Properties Equivalent Grades Dimensions Chart

Specifications of ASTM A350 LF2 Forged Fittings

Specification Parameter	Details
Material Standard	ASTM A350 & ASME SA350 (Grade LF2 Class 1 / Class 2)
Dimensional Standards	ASME B16.11, MSS SP-79, 83, 95, 97, BS 3799
Size Range & Schedules	½” NB to 24″ NB (DN15 – DN1200) \| Sch 10s, 40s, 80s, 160s, XXS
Thread Types	NPT, BSPT, BSPP
End Connections	Threaded, Socket Weld / Welding, JIC
Pressure Ratings	• Threaded End: Class 2000#, 3000#, 6000# • Socket-Weld End: Class 3000#, 6000#, 9000#
Bending Radius	R = 1D, 2D, 3D, 5D, 6D, 8D, 10D, or Custom
Manufacturing Process	Forged, Push, Press, Cast, etc.
Product Forms	90° & 45° Elbows (Female-Female, Male-Female, Male-Male), Equal & Reducing Tees, Crosses, Couplings, Reducers, Inserts, Caps, Nipples, Unions, Plugs
Applications	Connecting pipes & tubes in Petroleum, Power, Chemical, Construction, Gas, Metallurgy, Shipbuilding, etc.
Wall Thickness Notes	• Schedule 10: Economical alternative for lower-pressure applications. • Schedule 40: Thicker wall for higher-pressure applications.

Chemical Compositions of ASTM A350 LF2 Forged Fittings

Element	Carbon (C)	Manganese (Mn)	Phosphorus (P)	Sulfur (S)	Silicon (Si)	Nickel (Ni)	Chromium (Cr)	Molybdenum (Mo)	Copper (Cu)	Columbium (Cb)	Vanadium (V)
Composition (wt %)	≤ 0.30	0.60–1.35	≤ 0.035	≤ 0.040	0.15–0.30	≤ 0.40	≤ 0.30	≤ 0.12	≤ 0.40	≤ 0.02	≤ 0.08

ASTM A350 LF2 Forged Fittings Mechanical Properties

Grade / Class	Tensile Strength	Yield Strength (min.)	Elongation (min.)	Hardness (max.)
ASTM A350 LF2 (CL1 & CL2)	70–95 ksi [485–655 MPa]	36 ksi [250 MPa]	22%	197 HBW

Equivalent Grades of ASTM A350 LF2 Forged Fittings

Standard / Region	ASTM (USA)	ASME (USA)	UNS	EN (Europe)	DIN (Germany)	BS (UK)	JIS (Japan)	GB (China)
Equivalent Grade	A350 LF2	SA350 LF2	K03011	P285QH / P245GH	1.0478 / 1.0460	1503-221-490	SFL2 / SFVC2	16Mn

Dimensions Chart of ASTM A350 LF2 Forged Fittings

NPS	Min. Socket Dia.	Nom. Bore Dia.
1/8″	0.420	0.269
1/4″	0.555	0.364
3/8″	0.690	0.493
1/2″	0.855	0.622
3/4″	1.065	0.824
1″	1.330	1.049
1 ¼″	1.675	1.380
1 ½″	1.915	1.610
2″	2.406	2.067
2 ½″	2.906	2.469
3″	3.535	3.068
4″	4.545	4.026