This standard specifies the classification and designation,ordering information,dimensions,shape,mass and tolerances,technical requirements,test methods,inspection rules,packaging,marking and quality certificate of alloy structure steels.
China
China
of
of
of
of
of
Standardization
Administration
Administration
And
And
the
the
Republic
Republic
General
Quality
Supervision,Inspection
Quarantine
People's
People's
提出部门：
China
And
Association.
Steel
Iron
归口单位：
SAC/TC
Committee
on
of
of
Administration
China.
Steel
183,Technical
Standarzation
主管部门：
SAC/TC
Committee
on
of
of
Administration
China.
Steel
183,Technical
Standarzation
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