具有高抗拉强度的可焊接细晶粒钢|沙特标准|EN 10222-4
认证联系：Coray Feng
QQ:1716789205
TEL:027-89995576/15271807183
具有高抗拉强度的可焊接细晶粒钢|沙特标准|EN 10222-4
Steel Forgings For Pressure Purposes-Part4:Weldable Fine Grain Steels With High Proof Strength
压力用钢锻件.第4部分：具有高抗拉强度的可焊接细晶粒钢
Technical Regulation for Pressure Equipment