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Q/BQB 494-2023 related PDF English

Q/BQB 494-2023 (Q/BQB494-2023, QBQB 494-2023, QBQB494-2023) & related versions
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)See DetailStatusSimilar PDF
Q/BQB 494-2023English279 Add to Cart 3 days Cold-rolled steel strip for welded pipe use Q/BQB 494-2023   QBQB 494-2023
Q/BQB 494-2021English115 Add to Cart 0-9 seconds. Auto delivery. Cold-rolled steel strip for welded pipe use Q/BQB 494-2021 QBQB 494-2021
Q/BQB 494-2018English110 Add to Cart 0-9 seconds. Auto delivery. Cold-rolled steel strips for welded pipes Q/BQB 494-2018 QBQB 494-2018
Q/BQB 494-2014English90 Add to Cart 0-9 seconds. Auto delivery. Cold Rolled Strip for Welded Pipe Q/BQB 494-2014 Obsolete QBQB 494-2014
Q/BQB 494-2009English159 Add to Cart 2 days Cold Rolled Strip for Welded Pipe Q/BQB 494-2009 Obsolete QBQB 494-2009



Q/BQB 494-2023: PDF in English (QBQB 494-2023)
Q/BQB 494-2021 BQB ENTERPRISE STANDARD OF BAOSHAN IRON AND STEEL CO., LTD Replacing Q/BQB 494-2018 Cold-Rolled Steel Strip for Welded Pipe Use 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 ... 4 3 Inspection and test ... 4 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 Replaced Q/BQB 494-2018 Cold-Rolled Steel Strip for Welded Pipe Use. Compared with Q/BQB 494-2018, this Document has the major technical changes as follows: --- Cancel the provisions of N component of BHG1-A designation; --- Adjust the lower limit of C component of BHG2 from 0.02 to 0.015; --- Adjust the lower limit of Alt of BHG2 from 0.020 to 0.015; --- Adjust the upper limit of the yield strength of BHG2 from 260MPa to 280MPa; --- Adjust the upper limit of roughness of BHG2 from 1.0μm to 1.3μm; --- Make editorial modification. 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. 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. The historical editions replaced by this Document are as follows: Q/BQB 494-2009, Q/BQB 494-2014, Q/BQB 494-2018. ......

BASIC DATA
Standard ID Q/BQB 494-2023 (Q/BQB494-2023)
Description (Translated English) Cold-rolled steel strip for welded pipe use
Sector / Industry Chinese Industry Standard
Classification of Chinese Standard QBQ
Word Count Estimation 8,838
Date of Issue 2023-04-09
Date of Implementation 2023-07-01