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Q/BQB 484-2019 English PDF (QBQB484-2019)

Q/BQB 484-2019 English PDF (QBQB484-2019)

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Q/BQB 484-2019: Cold Rolling Steel Plate and Strip for Magnetic Pole of Hydraulic Generator

Main Technical Indicators and Test Methods
Q/BQB 484-2019
ENTERPRISE STANDARD OF
BAOSHAN IRON AND STEEL CO., LTD
Replacing Q/BQB 484-2018
Cold-Rolled Steel Sheet and Strip for Magnetic-Pole of
Water-Wheel Electric Generator Use
ISSUED ON: FEBRUARY 02, 2019
IMPLEMENTED ON: APRIL 10, 2019
Issued by: Baoshan Iron and Steel Co., Ltd.
Table of Contents
Foreword ... 3
1 Compositions ... 4
2 Mechanical Properties ... 4
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 by reference by IEC 60404-8-5:1989.
This Standard replaced Q/BQB 484-2018.
Compared with Q/BQB 484-2018, this Standard made the following content
modifications as follows:
--- Supplement the national standard reference documents related to the compositions;
--- Supplement the information required for ordering;
--- Add Designation B550TF179 and its corresponding technical requirements; --- Adjust the lower limit of supply thickness in Table 2 from 0.8mm to 0.7mm; --- Supplement the control requirements for chemical compositions in Table 3; --- 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 and drafting staffs of this Standard: Yuan Min, Liu Peican.
The historical editions replaced by this Standard are as follows: Q/BQB 484-2009, Q/BQB 484-2014, Q/BQB 484-2015, Q/BQB 484-2018.
Cold-Rolled Steel Sheet and Strip for Magnetic-pole of
Water-Wheel Electric Generator Use
1 Compositions
Table 3
2 Mechanical Properties
Designation Chemical composition (smelting analysis) % (mass fraction)

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