GB/T 713.8-2025Steel plate,sheet and strip for pressure equipments—Part 8: Rolled homogeneous and heterogeneous clad steel plate (English PDF)

1 Scope

This document specifies the classification and marking, order contents, technical requirements, test methods, inspection rules, packaging, marking and quality certificate for rolled clad steel plates used in pressure equipment.

This document is applicable to steel plates of the same material used in pressure equipment with a thickness of not less than 60 mm (hereinafter referred to as the "homogeneous clad steel plates") and steel plates of different materials used in pressure equipment with a total thickness of not less than 6.0 mm (hereinafter referred to as the "heterogeneous clad steel plates"), produced by a rolled compounding process.

2 Normative References

The contents of the following documents constitute indispensable clauses of this document through normative references in the text. In terms of references with a specified date, only versions with a specified date are applicable to this document. In terms of references without a specified date, the latest version (including all the modifications) is applicable to this document.

GB/T 228.1 Metallic materials - Tensile testing - Part 1: Method of test at room temperature

GB/T 229 Metallic materials - Charpy pendulum impact test method

GB/T 230.1 Metallic materials - Rockwell hardness test - Part 1: Test method

GB/T 231.1 Metallic materials - Brinell hardness test - Part 1: Test method

GB/T 232 Metallic materials - Bend test

GB/T 247 General rule of package, mark and certification for steel plates (sheets) and strips

GB/T 709-2019 Dimension, shape, weight and tolerance for hot-rolled steel strip, plate and sheet

GB/T 713.2 Steel plate, sheet and strip for pressure equipment - Part 2: Non-alloy and alloy steel with specified temperature properties

GB/T 713.3 Steel plate, sheet and strip for pressure equipment - Part 3: Low alloy steel with specified low temperature properties

GB/T 713.7 Steel plate, sheet and strip for pressure equipment - Part 7: Stainless steel and heat resisting steel

GB/T 2975 Steel and steel products - Location and preparation of samples and test pieces for mechanical testing

GB/T 4334 Corrosion of metals and alloys - Test methods for intergranular corrosion of austenitic and ferritic-austenitic (duplex) stainless steels

GB/T 4340.1 Metallic materials - Vickers hardness test - Part 1: Test method

GB/T 5313 Steel plate with through-thickness properties

GB/T 6396 Clad steel plates - Mechanical and technological test

GB/T 6803 Test method for drop-weight test to determine nil-ductility transition temperature of ferritic steels

GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values

GB/T 8650 Evaluation of pipeline and pressure vessel steels for resistance to hydrogen-induced cracking

GB/T 17505 Steel and steel products - General technical delivery requirements

GB/T 17897 Corrosion of metals and alloys - Corrosion test for pitting corrosion resistance of stainless steels in the ferric chloride solution

NB/T 47013.3 Nondestructive testing of pressure equipment - Part 3: Ultrasonic testing

NB/T 47013.5 Nondestructive testing of pressure equipment - Part 5: Penetrant testing

3 Terms and Definitions

The following terms and definitions are applicable to this document.

4 Classification and Marking

5 Order Contents

Contracts or orders placed in accordance with this document shall include, at a minimum, the following details:

a) Number of this document;

b) Product name;

c) Grade;

d) Product grade code;

e) Dimensions and specifications;

f) Dimensions and shape accuracy; […]