Q/BQB 516-2019 English PDF

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Q/BQB 516-2019: Spring steel wire rod
Q/BQB 516-2019
ENTERPRISE STANDARD OF
BAOSHAN IRON AND STEEL CO., LTD
Replacing Q/BQB 516-2018
Spring Steel Wire Rod
Table of Contents
1 Chemical Compositions ... 3
2 Mechanical Properties ... 3
3 Inspection and Test ... 4
Main Technical Indicators and Test Methods
(Public Statement)
1 Chemical Compositions
Table 1
2 Mechanical Properties
Designation
Chemical compositions (mass fraction)