I.S. EN ISO 17781:2017现行
Petroleum, Petrochemical and Natural gas Industries - Test Methods for Quality Control of Microstructure of Ferritic/austenitic (duplex) Stainless Steels (iso 17781:2017)
出版：National Standards Authority of Ireland
专家解读视频
Defines 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.
EN ISO 17781:2017 - Identical
ISO 17781 : 2017-07 - Identical
ISO 17781 : 2017 - Identical
EN ISO 17781 : 2017 - Identical
