Q/BQB 401-2019 Translated English of Chinese Standard. Q/BQB401-2019: Dimension, Shape, Weight and Tolerances for Cold-Rolled Steel Sheet and Strip [Buy--download True-PDF in 3-second: https://play.google.com/books > Sign in > This BOOK > "3-dots" > Export > Save as "*.pdf"]https://www.chinesestandard.net, 2020 M03 8 - 16 pages This Standard specifies the requirements for classification and code, dimension, shape, weight and allowable deviation of cold-rolled steel sheet and strip. This Standard is applicable to cold-rolled steel strips with a thickness of 0.17mm~3.50mm and a rolling width of 600mm~2080mm, and the steel sheet horizontally-cut from it and steel strip longitudinally-cut from it produced by Baoshan Iron and Steel Co., hereinafter referred to as steel sheet and strip. |
Contents
| 3 | |
Scope | 5 |
Dimension | 6 |
Allowable Deviation of Dimension | 7 |
Appearance | 10 |
Measurement of Dimension and Shape | 13 |
If the User Has Other Special Requirements for Dimension Shape Weight and Tolerances they Can Be Negotiated when Ordering and Specified in the... | 14 |
Appendix A Normative Weight Calculation Method when Taking Theoretical Weight Method | 16 |
Common terms and phrases
Baoshan Iron bend control requirements classification and code cold-rolled coated Department of Baoshan deviation of length deviation of thickness deviation of width diagonal length diagonal method Dimension edge camber Edge state Nominal edge wave length GB/T given in Table High accuracy PT.B Iron and Steel less than 200mm less than 260 longitudinal longitudinally-cut steel strip Management Department Manufacture and Management measured length minimum yield strength Nominal length Nominal thickness Nominal Nominal width Allowable Numerical Rounding-Off Rules Ordinary accuracy PW.A original nominal thickness original Table positive allowable deviation Product forms projection method provisions of Table PT.AD PT.AQ PT.C Q/BQB Recommended nominal thickness Rolled direction sheet and strip shown in Figure special requirements specified minimum yield specified value squareness Standard strength Nominal width strength of less strip shall meet Table 11 Trimmed Trimmed unevenness accuracy Unit wave height width Allowable deviation width Nominal width width of steel width tolerance yield strength Nominal