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Q/BQB 310-2019 PDF in English


Q/BQB 310-2019 (Q/BQB310-2019, QBQB 310-2019, QBQB310-2019)
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Standards related to: Q/BQB 310-2019

Q/BQB 310-2019: PDF in English (QBQB 310-2019)

Q/BQB 310-2019
ENTERPRISE STANDARD OF BAOSTEEL CO., LTD.
Main technical indicators and test methods
(Public Statement)
Table of Contents
1 Chemical composition ... 3 
2 Mechanical and process properties ... 4 
3 Inspection and test ... 5 
Main technical indicators and test methods
(Public Statement)
1 Chemical composition
Table 2
Table 3
Designation
Chemical composition a (mass fraction) %
a In order to improve the performance of the steel, other alloying elements can be added as required. At this time,
the lower limit of Alt is not required.
Designation Chemical composition
a (mass fraction) %
a One or more alloy elements of Nb, V, Ti can be added to steel, but Nb+V+Ti ≤0.22.
......
 
Source: Above contents are excerpted from the PDF -- translated/reviewed by: www.chinesestandard.net / Wayne Zheng et al.