T/QGCML 3221-2023
Specifications for cold drawing and low temperature annealing process of bearing steel wire (English Version)

Std & Spec
Standard No.
T/QGCML 3221-2023
Language
Chinese, Available in English version
Release Date
2024
Published By
Group Standards of the People's Republic of China
Lastest
T/QGCML 3221-2023
Scope
This document stipulates the facilities, raw and auxiliary material requirements, cold drawing and low-temperature annealing processes, processing management, and processing records for bearing steel wire cold drawing and low-temperature annealing processes. This document is applicable to the cold drawing and low-temperature annealing processes of bearing steel wires.

T/QGCML 3221-2023 history

  • 2024 T/QGCML 3221-2023 Specifications for cold drawing and low temperature annealing process of bearing steel wire



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