BS 970-4-1970-规范锻造的钢坯，方坯，钢棒和锻件——部分4：阀门钢-Specification for Wrought steels in the form of blooms,billets,bars and forgings--Part 4:Valve steels-易紧通

BS 970-4-1970
Specification for Wrought steels in the form of blooms,billets,bars and forgings--Part 4:Valve steels

Material Designation

Chemical Composition (%)

349S52

Min

Max

For Reference Only