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GB/T 713.6-2023 English PDF (GBT713.6-2023)

GB/T 713.6-2023 English PDF (GBT713.6-2023)

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GB/T 713.6-2023: Steel plate, sheet and strip for pressure equipments - Part 6: Quenched and tempered high strength steel

This document specifies the designation representation, order content, size, shape, weight, technical requirements, test methods, inspection rules, packaging, marking and quality certificate of quenched and tempered high strength steel plates for pressure equipment. This document applies to quenched and tempered high strength steel plates (hereinafter referred to as steel plates) for pressure equipment with a thickness of 10 mm ~ 80 mm.
GB/T 713.6-2023
GB
NATIONAL STANDARD OF THE
PEOPLE REPUBLIC OF CHINA
ICS 77.140.50
CCS H 46
Replacing GB/T 19189-2011
Steel plate, sheet and strip for pressure equipments - Part 6:
Quenched and tempered high strength steel
ISSUED ON: AUGUST 06, 2023
IMPLEMENTED ON: MARCH 01, 2024
Issued by: State Administration for Market Regulation;
Standardization Administration of the PEOPLE Republic of China.
Table of Contents
Foreword ... 3
Introduction ... 5
1 Scope ... 7
2 Normative references ... 7
3 Terms and definitions ... 9
4 Designation representation ... 9
5 Order content ... 9
6 Size, shape, weight... 10
7 Technical requirements ... 10
8 Test methods ... 12
9 Inspection rules ... 13
10 Packaging, marking and quality certificate ... 13
Appendix A (Informative) Comparison table of similar designations between this document and relevant foreign standards ... 14
Foreword
This document was drafted in accordance with the rules provided in GB/T 1.1-2020 Directives for standardization - Part 1: Rules for the structure and drafting of standardizing documents.
This document is Part 6 of GB/T 713, Steel plate, sheet and strip for pressure equipments. The following parts have been issued for GB/T 713:
-- Part 1: General requirements;
-- Part 2: Non-alloy and alloy steel with specified temperature properties; -- Part 3: Low alloy steel with specified low temperature properties;
-- Part 4: Nickel-alloy steels with specified low temperature properties; -- Part 5: High manganese steel with specified low temperature properties; -- Part 6: Quenched and tempered high strength steel;
-- Part 7: Stainless steel and heat resisting steel.
This document replaces GB/T 19189-2011 Quenched and tempered high strength steel plates for pressure vessels. Compared with GB/T 19189-2011, in addition to structural adjustments and editorial changes, the main technical changes are as follows: a) Rename the designation according to the yield strength (see Chapter 4; Chapter 4 of GB/T 19189-2011);
b) Add the designations 690 MPa and 800 MPa (see Table 1 and Table 2);
c) Change the upper limits of P and S contents of each designation (see Table 1; Table 1 of GB/T 19189-2011);
d) Add requirements for side expansion values of 690 MPa and 800 MPa grade steels (see Table 2).
Please note that some of the contents of this document may involve patents. The issuing organizations of this document are not responsible for identifying patents. This document was proposed by China Iron and Steel Industry Association. This document shall be under the jurisdiction of National Technical Committee on Iron and Steel of Standardization Administration of China (SAC/TC 183).
Drafting organizations of this document: Wuhan Iron and Steel Co., Ltd., China Metallurgical Information and Standardization Institute, Xinyu Iron and Steel Co., Ltd., Steel plate, sheet and strip for pressure equipments - Part 6:
Quenched and tempered high strength steel
1 Scope
This document specifies the designation representation, order content, size, shape, weight, technical requirements, test methods, inspection rules, packaging, marking and quality certificate of quenched and tempered high strength steel plates for pressure equipment.
This document applies to quenched and tempered high strength steel plates (hereinafter referred to as steel plates) for pressure equipment with a thickness of 10 mm ~ 80 mm. 2 Normative references
The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the version corresponding to that date is applicable to this document; for undated references, the latest version (including all amendments) is applicable to this document. GB/T 223.3, Methods for chemical analysis of iron, steel and alloy - The diantipyrylmethane phosphomolybdate gravimetric method for the determination of phosphorus content
GB/T 223.11, Iron, steel and alloy - Determination of chromium content - Visual titration or potentiometric titration method
GB/T 223.14, Methods for chemical analysis of iron, steel and alloy - The N-benzoy- N-phenylhydroxylamine extraction photometric method for the determination of vanadium content
GB/T 223.17, Methods for chemical analysis of iron, steel and alloy - The diantipyrylmethane photometric method for the determination of titanium content GB/T 223.18, Methods for chemical analysis of iron steel and alloy - The sodium thiosulfate separation iodimetric method for the determination of cupper content GB/T 223.23, Iron, steel and alloy - Determination of nickel content - The dimethylglyoxime spectrophotometric method
GB/T 223.26, Iron, steel and alloy - Determination of molybdenum content - The thiocyanate spectrophotometric method
GB/T 223.40, Iron, steel and alloy - Determination of niobium content by the sulphochlorophenol S spectrophotometric method
GB/T 223.60, Methods for chemical analysis of iron, steel and alloy - The perchloric acid dehydration gravimetric method for the determination of silicon content GB/T 223.63, Iron, steel and alloy - Determination of manganese content - Sodium (potassium) periodate spectrophotometric method
GB/T 223.68, Methods for chemical analysis of iron, steel and alloy - The potassium iodate titration method after combustion in the pipe furnace for the determination of sulfur content
GB/T 223.69, Iron, steel and alloy - Determination of carbon contents - Gas- volumetric method after combustion in the pipe furnace
GB/T 223.78, Methods for chemical analysis of iron, steel and alloy - Curcumin spectrophotometric method for the determination of boron content
GB/T 223.79, Iron and steel. Determination of multi-element contents. X-ray fluorescence spectrometry (Routine method)
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 232, Metallic materials - Bend test
GB/T 247, General rule of package, mark and certification for steel plates (sheets) and strips
GB/T 713.1, Steel plate, sheet and strip for pressure equipments - Part 1: General requirements
GB/T 2975, Steel and steel products - Location and preparation of samples and test pieces for mechanical testing
GB/T 4336, Carbon and low-alloy steel - Determination of multi-element contents - Spark discharge atomic emission spectrometric method (routine method)
GB/T 6803, Test method for drop-weight test to determine nil-ductility transition temperature of ferritic steels
GB/T 17505, Steel and steel products - General technical delivery requirements GB/T 20066, Steel and iron - Sampling and preparation of samples for the determination of chemical composition
GB/T 20123, Steel and iron - Determination of total carbon and sulfur content Infrared absorption method after combustion in an induction furnace (routine method)
GB/T 20125, Low-alloy steel - Determination of multi-element contents - Inductively coupled plasma atomic emission spectrometric method
NB/T 47013.3, Nondestructive testing of pressure equipments - Part 3: Ultrasonic testing
NB/T 47013.7, Nondestructive testing of pressure equipments - Part 7: Visual examination
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 713.1 apply. 4 Designation representation
The designation of steel consists of the Chinese Pinyin initial ?€?Q?€? of ?€?Qu?€? representing the yield strength, the specified minimum yield strength value, the Chinese Pinyin initial ?€?R?€? of ?€?Rong?€? representing the pressure vessel or the Chinese Pinyin initials ?€?DR?€? of ?€?Di Rong?€? representing the low temperature pressure vessel, and ?€?L?€? of the temperature level.
Example: Q490DRL1. Where:
Q ?€? the first letter of the Chinese pinyin of the word ?€?Qu?€? for yield strength; 490 ?€? the specified lower limit of yield strength, in megapascals (MPa); DR ?€? the first letters of the Chinese pinyin of ?€?Di Rong?€? for low temperature pressure vessel.
L ?€? temperature level, L1 for requirements of -40 ??C, L2 for requirements of -50 ??C; For steel that requires high input energy welding, the first letter ?€?W?€? of the English word ?€?Weld?€? representing the word ?€?welding?€? for high input energy welding is added to the above specified designation, for example: Q490RW.
5 Order content
The order content of steel plates shall comply with the regulations of GB/T 713.1.

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