GB/T 713.6-2023 PDF English
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GB/T 713.6-2023: Steel plate, sheet and strip for pressure equipment - Part 6: Quenched and tempered high strength steel
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GB
NATIONAL STANDARD OF THE
PEOPLE’S 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’s 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 & 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.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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