What is A350 LF2 Material

A350 LF2 belongs to the American Standard low temperature steel forgings, the implementation standard:ASTM A350/A350M-2018

A350 LF2 belongs to the carbon steel and low alloy steel forgings for pipeline components requiring notch toughness test

A350 LF2 chemical composition as follows.

C：max0.30  Mn：0.60–1.35   P：max0.035  S：max0.040  Si：0.15–0.3   Ni：0.40max  Cr：0.30max  Mo：0.12maxB  Cu：0.40max  Co：0.02max  V：0.08max

Tensile strength:485-655MPa
Yield strength:250MPa
Fracture shrinkage:30%
Hardness:less than 197HB