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

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

Latest

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