Steel forgings for pressure purposes - weldable fine - grain steels with high proof strength 压力容器用钢锻件.具有高验收强度的可焊接细晶粒钢
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Steel forgings for pressure purposes . part 4 : weldable fine grain steels with high proof strength 承压钢锻件.第4部分:高弹限强度可焊接细晶钢
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Steel forgings for pressure purposes - part 4 : weldable fine grain steels with high proof strength 承压用钢锻件.第4部分:高强度的可焊接细晶粒钢
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Steel forgings for pressure purposes - part 4 : weldable fine grain steels with high proof strength includes amendment a1 : 2001 ; german version en 10222 - 4 : 1998 a1 : 2001 压力容器用钢锻件.第4部分:高弹限强度可焊接细晶粒钢