Petroleum, petrochemical and natural gas industries - Test methods for quality control of microstructure of ferritic/austenitic (duplex) stainless steels
石油、石化和天然气工业.铁素体/奥氏体(双相)不锈钢微观结构质量控制的试验方法
AS ISO 17781:2022 identically adopts ISO 17781:2017, specifying quality control testing methods and test conditions for the characterization of microstructure in relation to relevant properties in ferritic/austenitic (duplex) stainless steel components supplied in the solution annealed condition and fabrication welds in the as welded condition.