Q/BQB 616-2018 English PDF (QBQB616-2018)

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Q/BQB 616-2018: Thick steel plate for high strength welded structure
Q/BQB 616-2018
ENTERPRISE STANDARD OF BAOSTEEL CO., LTD.
Thick steel plate for high strength welded structure
Issued on: January 30, 2018
Issued by: Baoshan Iron and Steel Co., Ltd.
Table of Contents
Self-commitment ... 3 
Technical indicator 1 ... 4 
1 General technical requirements ... 5 
2 Dimensions, shapes, weights and tolerances ... 5 
3 Technical requirements ... 5 
4 Inspections and tests ... 7 
Self-commitment
The contents of the Q/BQB 616-2018 "Thick steel plate for high strength welded
structure" that is prepared and published by our company are in compliance
with the relevant national laws and regulations, mandatory standards and
relevant industrial policies. In accordance with the prescribed procedures, it is
approved and issued by the corporate legal representative. The products that
are produced by our company meet the technical requirements specified in this
Standard. The reference number to the standard is indicated on the
corresponding product package. Our company is responsible for the
truthfulness, accuracy and legality of the proclaimed public information. Our
company takes full legal responsibility for the consequences of the
implementation of this Standard.
Baoshan Iron and Steel Co., Ltd.
January 30, 2018
Thick steel plate for high strength welded structure
This is an indicator requirement document of technical indicator 1.
1 General technical requirements
Unless otherwise specified in this Standard, the steel plates that are supplied
in accordance with this Standard shall comply with the corresponding
requirements of the Q/BQB 600.
2 Dimensions, shapes, weights and tolerances
The higher unevenness accuracies PF.S1 and PF.S2 of the trimmed steel plates
shall comply with the requirements of Table 2. Other dimensions, shapes,
weights and tolerances shall comply with the provisions of Q/BQB 600.
Table 2
Measuring length Higher unevenness accuracy tolerances at different levels, not greater than PF.S1 PF.S2
1000mm 7mm 5mm
3 Technical requirements
3.1 The steel’s designations and chemical compositions (smelting analysis)
shall comply with the requirements of Table 3.