ASTM A350 Lf2 Steel Flange

• Standard: ANSI, DIN, GB, JIS, GOST, BSW
• Type: Welding Flange
• Material: Carbon Steel
• Structure: Flanges
• Connection: Flanged
• Sealing Surface: RF
• Model NO.: KM-20200421
• Manufacturing Way: Forging
• Pressure: Class 150~Class 2500
• Flange Type: Welded Neck,Blind,Ring Joint,Sorf,Threading,Plate
• Transport Package: Seaworthy Export Wooden Cases or Pallet
• Specification: 1/2" TO 48"
• Trademark: KINGMETAL
• Origin: China
• HS Code: 73079100
• Production Capacity: 1000 Tons Per Month

Product Description

ASTM A350 LF2 steel flange

Specifications : ASTM A350 LF2 and ASME SA350 LF2

Dimensions : ASME/ ANSI B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.

Material : ASTM A350 LF2

Size : From 1/2 inch to 48"

Class / Pressure : Class 150, 300#, 600LB, 900#, 1500#, Cl. 2500 etc.

Carbon Steel A350 LF2 Flanges Chemical Composition

C%	Mn%	P%	Si%	Ni%	S%	Cr%
0.30 max	0.6/1.35	.035 max	.15/.30	0.40 max	.040 max	0.30 max

A350 Lf2 Cl1 Flanges Physical Properties

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

CS A350 Lf2 Forgings Mechanical Properties

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)