Q/BQB 464-2019 English PDF

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Q/BQB 464-2019: Weather resistant cold rolled steel sheet and strip
Q/BQB 464-2019
ENTERPRISE STANDARD OF
BAOSHAN IRON AND STEEL CO., LTD
Replacing Q/BQB 464-2018
Weather-Resistant Cold-Rolled Steel Sheet and Strip
ISSUED ON: FEBRUARY 02, 2019
IMPLEMENTED ON: APRIL 10, 2019
Issued by: Baoshan Iron and Steel Co., Ltd.
Table of Contents
Foreword ... 3
1 Chemical Compositions ... 4
2 Mechanical Properties ... 5
3 Inspection and Test ... 5
4 Appendix ... 6
Foreword
This Standard was drafted as per the rules specified in GB/T 1.1-2009 Directives for
Standardization – Part 1: Structure and Drafting of Standards.
This Standard was formulated according to the actual production of Baoshan Iron and
Steel Co., Ltd.
This Standard replaced Q/BQB 464-2018.
Compared with Q/BQB 464-2018, this Standard made the major content modifications
as follows:
--- Add Appendix A Comparison List of Similar Designations.
This Standard’s Appendix A is informative.
This Standard was proposed by Manufacture and Management Department of
Baoshan Iron and Steel Co., Ltd.
This Standard shall be under the jurisdiction of Manufacture and Management
Department of Baoshan Iron and Steel Co., Ltd.
Drafting organization of this Standard: Manufacture and Management Department of
Baoshan Iron and Steel Co., Ltd.
Modifying staffs of this Standard: Yuan Min, and Liu Peican.
The historical edition replaced by this Standard is as follows: Q/BQB 464-2018.
Weather-Resistant Cold-Rolled Steel Sheet and Strip
1 Chemical Compositions
Table 1 Unit: mm
Table 4
Thickness
Width
Designation Chemical compositions (smelting analysis) % (mass fraction)