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Chinese National Standard Category: Forging and pressing

English Title: Metellographic grading atlas and assessing method for steel die forgings
Chinese Title: 钢质模锻件 金相组织评级图及评定方法
Standard No.: GB/T 13320-2007
Category No.: J32
Issued by: AQSIQ, SAC
Issued on: 2007-4-18
Implemented on: 2007-11-1
Status: valid
Superseded by:
Superseded on:
Abolished on:
Superseding:GB/T 13320-1991 Metallographic grading atlas and assessing method for steel die forgings
Word Count:3000 words
Similar Standards: T/CPUMT 009-2022   GB/T 13914-1992   GB/T 20078-2023   GB/T 41857-2022   GB/T 41859-2022   GB/T 41982-2022   GB/T 40883-2021   GB/T 40882-2021   GB/T 12363-2021   GB/T 38964-2020   GB/T 38959-2020   GB/T 38958-2020   GB/T 38443-2019   GB/T 37400.8-2019   GB/T 37679-2019   GB/T 37676-2019   GB/T 37057-2019   GB/T 37775-2019   GB/T 36961-2018   GB/T 35082-2018  
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