GB/T 13320-2025

Metellographic grading atlas and assessing method for steel die forgings

STANDARD published on 31.12.2025

English, Chinese -
electronic design (pdf) (646.80 USD)

The information about the standard:

Designation standards: GB/T 13320-2025
Note: Execute Date: july 2026
Publication date standards: 31.12.2025
Country: Chinese technical standard
Category: Technical standards GB