GB/T 712-2022: Structural steel for ship and ocean engineering

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Scope

This document specifies the classification and designations, order content, dimensions, shapes,
weights, technical requirements, test methods, inspection rules, packaging, marking and quality
certificate of structural steel for ship and ocean engineering.
This document is applicable to steel plates (with a thickness of not greater than 150 mm) for
the manufacturing of hull structures, such as. ocean-going, coastal and inland navigation ships
and fishing boats, etc., steel plates (with a thickness of not greater than 250 mm) for ocean
engineering structures, steel strips and shear plates with a thickness of not greater than 25.4 mm,
and profile steel with a thickness of not greater than 50 mm or steel bars with a diameter of not
greater than 50 mm (hereinafter referred to as the steel).

Basic Data

Standard ID	GB/T 712-2022 (GB/T712-2022)
Description (Translated English)	Structural steel for ship and ocean engineering
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	H46
Classification of International Standard	77.140.50
Word Count Estimation	25,288
Date of Issue	2022-10-12
Date of Implementation	2023-05-01
Older Standard (superseded by this standard)	GB/T 712-2011
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration