This standard specifies the measurement method of ferrite content. This standard applies to austenitic and austenitic-ferritic chromium-nickel stainless steel weld metals. The magnetic method specified in this standard is not applicable to austenitic stainless steel castings and forgings.
GB/T 1954-2008 Referenced Document
GB/T 20878 Stainless and heat resisting steels—Designation and chemical composition
GB/T 1954-2008 history
2008GB/T 1954-2008 Methods of measurement for ferrite content in austenitic Cr-Ni stainless steel weld metals
1980GB/T 1954-1980 Determination of the welding seam iron element content in chromium,nickel austenitic stainless steel