Q/BQB 408-2021 (Q/BQB 408-2023 Newer Version) PDF English
Q/BQB 408-2021 (Q/BQB408-2021, QBQB 408-2021, QBQB408-2021)
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Name of Chinese Standard | Status |
| Q/BQB 408-2023 | English | 480 |
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Low carbon cold-rolled steel sheet and strip for cold forming
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| Q/BQB 408-2021 | English | 155 |
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Low carbon cold-rolled steel sheet and strip for cold forming
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| Q/BQB 408-2018 | English | 130 |
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Cold formed low carbon steel sheet and strip for cold forming
| Obsolete |
| Q/BQB 408-2014 | English | 85 |
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[Replaced by Q/BQB 408-2018] Cold formed low carbon steel sheet and strip for cold forming
| Obsolete |
| Q/BQB 408-2009 | English | 249 |
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Cold rolled strip and strip for stamping
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Newer version: Q/BQB 408-2023 Standards related to (historical): Q/BQB 408-2023
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Q/BQB 408-2021: PDF in English (QBQB 408-2021) Q/BQB 408-2021
BQB
ENTERPRISE STANDARD OF
BAOSHAN IRON AND STEEL CO., LTD
Replacing Q/BQB 408-2019
Low Carbon Cold-Rolled Steel Sheet and Strip for
Cold Forming
ISSUED ON: JUNE 04, 2021
IMPLEMENTED ON: AUGUST 10, 2021
Issued by: Baoshan Iron and Steel Co., Ltd.
Table of Contents
Foreword ... 3
1 Chemical composition ... 4
2 Mechanical properties ... 5
3 Inspection and test ... 7
Foreword
This Document was drafted as per the rules specified in GB/T 1.1-2020 Directives for
Standardization – Part 1: Rules for the Structure and Drafting of Standardizing
Documents.
This Document was formulated by reference to JIS G 3141:2017, EN 10130:2006, JFS
A 2001:2014.
This Document replaced Q/BQB 408-2019 Low Carbon Cold-Rolled Steel Sheet and
Strip for Cold Forming.
Compared with Q/BQB 408-2019, the major technical changes of this Document are
as follows:
--- Revise the description of SPCC series designations in Tables 1, 4 and 11;
--- Add the provisions of the minimum yield strength of SPCC-XM and SPCC-XL
designations with thickness greater than 2.3mm in Table 8;
--- Adjust the sampling provisions for r-value inspection;
--- Revise Appendix A Comparison List of Approximate Designations of Related
Standards at Home and Abroad;
--- Make editorial modifications.
Please note some contents of this Document may involve patents. The issuing agency
of this Document does not assume the responsibility to identify these patents.
The Appendix A of this Document is normative; Appendixes B and C are informative.
This Document was proposed by Manufacturing and Management Department of the
Baoshan Iron and Steel Co., Ltd.
This Document shall be under the jurisdiction of Manufacturing and Management
Department of the Baoshan Iron and Steel Co., Ltd.
Drafting organization of this Document: Manufacturing and Management Department
of the Baoshan Iron and Steel Co., Ltd.
Chief drafting staffs of this Document: Yuan Min, Mao Mingxi.
The historical editions replaced by this Document are as follows:
Q/BQB 408-1988, Q/BQB 408-1994, Q/BQB 408-1999, Q/BQB 408-2003, Q/BQB 408-
2009, Q/BQB 408-2014, Q/BQB 408-2018, Q/BQB 408-2019.
......
Source: Above contents are excerpted from the PDF -- translated/reviewed by: www.chinesestandard.net / Wayne Zheng et al.
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