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Chinese National Standard Category: Metal processing property test method

English Title: Micrographic method for determining area fraction of the alpha-phases using charts in ferritic-austenitic stainless steels
Chinese Title: 铁素体奥氏体型双相不锈钢中α-相面积含量金相测定法
Standard No.: GB/T 6401-1986
Category No.: H23
Issued by: China Steel Industry Association
Issued on: 1986-05-17
Implemented on: 1987-5-1
Status: superseded
Superseded by:GB/T 13305-2008 Micrographic method for determining area content of the α-phases in stainless steels
Superseded on:2009-4-1
Abolished on:
Superseding:
Word Count:5000 words
Similar Standards: GB/T 15615-1995   GB 7733-1987   GB 3246-1982   GB/T 239.1-2023   GB/T 239.2-2023   GB/T 17473.7-2022   GB/T 24524-2021   GB/T 24183-2021   GB/T 2976-2020   GB/T 244-2020   GB/T 4156-2020   GB/T 25048-2019   GB/T 34477-2017   GB/T 246-2017   GB/T 32976-2016   GB/T 245-2016   GB/T 235-2013   GB/T 238-2013   YS/T 799-2012   GB/T 239.2-2012  
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