GB/T 13320-2025

Upcoming

Metellographic grading atlas and assessing method for steel die forgings

钢质模锻件金相组织评级图及评定方法

Standard Type
GBT
ICS
77.140.85
CCS
J32
Status
即将实施
Issue Date
2025-12-31
Implementation
2026-07-01
Responsible Dept
国家标准委
Drafting Unit
N/A