本标准规定了船舶及海洋工程用结构钢的分类和牌号、订货内容、尺寸、外形、重量及允许偏差、要求、检验和试验、包装、标志和质量证明书。 本标准适用于制造远洋、沿海和内河航区航行船舶、渔船及海洋工程结构用厚度不大于150mm 的钢板、厚度不大于25.4mm 的钢带及剪切板和厚度或直径不大于50mm 的型钢。
This standard specifies the classification and designation, order contents, dimensions, shape, weight and permissible tolerances, requirements, inspection and test, packing, marking and quality certificate for ship and ocean engineering structural steels.
This standard is applicable to steel plate with thickness no greater than 150 mm, steel strip and shear plate with thickness no greater than 25.4 mm and profile steel with thickness or diameter no greater than 50 mm (hereinafter referred to as steels), all of which are used to manufacture ship, fisher and ocean engineering in the ocean, coast and inland river navigation region.
Foreword I
1 Scope
2 Normative References
3 Classification and Designation
4 Order Content
5 Dimension, Shape, Weight and Tolerance
6 Requirements
7 Inspection and Test
8 Packaging, Marking and Quality Certificate
9 Rounding
Appendix A (Normative) Designation, Delivery State and Batch Quantity of Impact Inspection of Steels
Appendix B (Informative) Corresponding Relationship of Each Grade and Designation of Ship Specified in Each Classification Society Rule
本标准规定了船舶及海洋工程用结构钢的分类和牌号、订货内容、尺寸、外形、重量及允许偏差、要求、检验和试验、包装、标志和质量证明书。 本标准适用于制造远洋、沿海和内河航区航行船舶、渔船及海洋工程结构用厚度不大于150mm 的钢板、厚度不大于25.4mm 的钢带及剪切板和厚度或直径不大于50mm 的型钢。
This standard specifies the classification and designation, order contents, dimensions, shape, weight and permissible tolerances, requirements, inspection and test, packing, marking and quality certificate for ship and ocean engineering structural steels.
This standard is applicable to steel plate with thickness no greater than 150 mm, steel strip and shear plate with thickness no greater than 25.4 mm and profile steel with thickness or diameter no greater than 50 mm (hereinafter referred to as steels), all of which are used to manufacture ship, fisher and ocean engineering in the ocean, coast and inland river navigation region.
Contents of GB 712-2011
Foreword I
1 Scope
2 Normative References
3 Classification and Designation
4 Order Content
5 Dimension, Shape, Weight and Tolerance
6 Requirements
7 Inspection and Test
8 Packaging, Marking and Quality Certificate
9 Rounding
Appendix A (Normative) Designation, Delivery State and Batch Quantity of Impact Inspection of Steels
Appendix B (Informative) Corresponding Relationship of Each Grade and Designation of Ship Specified in Each Classification Society Rule
