GB/T 31303-2014

Active

Austenitic-Ferritic duplex stainless steel bars

奥氏体-铁素体型双相不锈钢棒

Standard Type
GBT
ICS
77.140.20
CCS
H44
Status
Active
Issue Date
2014-12-05
Implementation
2015-09-01
Centralized Committee
中国钢铁工业协会
Issuing Authority
中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会

Application Summary AI generated

This standard specifies the technical requirements, dimensions, and testing methods for hot-rolled and forged duplex stainless steel bars. It is applied in the manufacturing of components requiring high strength and corrosion resistance, such as shafts, valves, and fasteners used in chemical processing, marine engineering, and oil and gas extraction. The standard ensures material consistency for procurement and quality control in industries where duplex stainless steel is selected for its combination of mechanical properties and resistance to stress corrosion cracking.

Related Standards

Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.