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Status : Active
Standard Type : Main
Document No : ISO 13520:2023
Document Year : 2023
Pages : 11
Edition : 3
Section Volume : Steel castings (ISO/TC 17/SC 11.)
Procedures are covered for estimating ferrite content in certain grades of austenitic iron-chromium-nickel alloy castings that have compositions balanced to create the formation of ferrite as a second phase in amounts controlled within specified limits. Methods are described for estimating ferrite content by chemical, magnetic and metallographic means.