SHY68?5鋼板SHY68?5沖擊韌性SHY68?5耐蝕性

牌號

C

Si

Mn

P

S

Ni

Cu,Mo, B, etc.

SHY685

≤0.18

≤0.55

≤1.50

≤0.030

≤0.025

-

As required

SHY685N

≤0.18

≤0.55

≤1.50

≤0.030

≤0.025

0.30/1.50

SHY685NS

≤0.14

≤0.55

≤1.50

≤0.015

≤0.015

0.30/1.50