本標準規定了船舶及海洋工程用結構鋼的分類和牌號、訂貨內容、尺寸、外形、重量及允許偏差、要求、檢驗和試驗、包裝、標志和質量證明書。 本標準適用于制造遠洋、沿海和內河航區航行船舶、漁船及海洋工程結構用厚度不大于150mm 的鋼板、厚度不大于25.4mm 的鋼帶及剪切板和厚度或直徑不大于50mm 的型鋼。
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
