GB/T 41763-2022 Dimension, shape, weight and tolerance for twin-roll casting thin gauge hot-rolled steel strip and sheet
This document is developed in accordance with GB/T 1.1-2020 Directives for standardization - Part 1: Rules for the structure and drafting of standardizing documents
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. The issuing body of this document shall not be held responsible for identifying any or all such patent rights.
This document was proposed by China Iron and Steel Association.
This document is under the jurisdiction of National Technical Committee on Iron and Steel of Standardization Administration of China (SAC/TC 183).
Dimension, shape, weight and tolerance for twin-roll casting thin gauge hot-rolled steel strip and sheet
1 Scope
This document specifies the classification and code, dimension, dimensional tolerance, shape, dimension and shape measurement, weight and numerical rounding of twin-roll cast steel strip and sheet (hereinafter referred to as “steel sheet and strip”).
This document is applicable to hot-rolled thin strip, slit wide strip and steel sheet cut horizontally from strip produced by twin-roll casting process with thickness of 0.6 mm to 2.0 mm and width of 900 mm to 1,800 mm.
2 Normative references
The following documents contain requirements which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 8170 Rules of rounding off for numerical values & expression and judgment of limiting values
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
twin-roll cast steel strip and sheet
thin steel sheet and strip produced through hot rolling with a small reduction by twin-roll casting process where the molten steel is cast directly into a casting strip that is close to the final thickness
4 Classification and code
4.1 By edge condition:
a) Cut edge (EC);
b) Mill edge (EM).
4.2 By dimensional precision:
a) Common thickness precision (PT.A);
b) Higher thickness precision (PT.B);
c) Common width precision (PW.A);
d) Higher width precision (PW.B);
e) Common length precision (PL.A);
f) Higher length precision (PL.B).
4.3 By surface treatment method:
a) Hot rolled;
b) Pickling state.
5 Dimension
6 Dimensional tolerance
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Classification and code
5 Dimension
6 Dimensional tolerance
7 Shape
8 Dimension and shape measurement
9 Weight
10 Numerical rounding
Standard
GB/T 41763-2022 Dimension, shape, weight and tolerance for twin-roll casting thin gauge hot-rolled steel strip and sheet (English Version)
Standard No.
GB/T 41763-2022
Status
valid
Language
English
File Format
PDF
Word Count
5500 words
Price(USD)
165.0
Implemented on
2023-5-1
Delivery
via email in 1~3 business day
Detail of GB/T 41763-2022
Standard No.
GB/T 41763-2022
English Name
Dimension, shape, weight and tolerance for twin-roll casting thin gauge hot-rolled steel strip and sheet
GB/T 41763-2022 Dimension, shape, weight and tolerance for twin-roll casting thin gauge hot-rolled steel strip and sheet
This document is developed in accordance with GB/T 1.1-2020 Directives for standardization - Part 1: Rules for the structure and drafting of standardizing documents
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. The issuing body of this document shall not be held responsible for identifying any or all such patent rights.
This document was proposed by China Iron and Steel Association.
This document is under the jurisdiction of National Technical Committee on Iron and Steel of Standardization Administration of China (SAC/TC 183).
Dimension, shape, weight and tolerance for twin-roll casting thin gauge hot-rolled steel strip and sheet
1 Scope
This document specifies the classification and code, dimension, dimensional tolerance, shape, dimension and shape measurement, weight and numerical rounding of twin-roll cast steel strip and sheet (hereinafter referred to as “steel sheet and strip”).
This document is applicable to hot-rolled thin strip, slit wide strip and steel sheet cut horizontally from strip produced by twin-roll casting process with thickness of 0.6 mm to 2.0 mm and width of 900 mm to 1,800 mm.
2 Normative references
The following documents contain requirements which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 8170 Rules of rounding off for numerical values & expression and judgment of limiting values
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
twin-roll cast steel strip and sheet
thin steel sheet and strip produced through hot rolling with a small reduction by twin-roll casting process where the molten steel is cast directly into a casting strip that is close to the final thickness
4 Classification and code
4.1 By edge condition:
a) Cut edge (EC);
b) Mill edge (EM).
4.2 By dimensional precision:
a) Common thickness precision (PT.A);
b) Higher thickness precision (PT.B);
c) Common width precision (PW.A);
d) Higher width precision (PW.B);
e) Common length precision (PL.A);
f) Higher length precision (PL.B).
4.3 By surface treatment method:
a) Hot rolled;
b) Pickling state.
5 Dimension
6 Dimensional tolerance
Contents of GB/T 41763-2022
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Classification and code
5 Dimension
6 Dimensional tolerance
7 Shape
8 Dimension and shape measurement
9 Weight
10 Numerical rounding
