英国 · B.S.

525 H 60

BS 970-2:1988 — Specification for wrought steels for mechanical and allied engineering purposes. Requirements for steels for the manufacture of hot formed springs

化学成分

元素minmax相似备注
C0.550.64
Cr0.61
Cu0.35
Mn0.651
Mo0.15
Ni0.4
P0.035
S0.035
Si0.150.4