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GB/T 713.4-2023 English PDF (GBT713.4-2023)

GB/T 713.4-2023 English PDF (GBT713.4-2023)

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GB/T 713.4-2023: Steel plate, sheet and strip for pressure equipments - Part 4: Nickel-alloy steels with specified low temperature properties

This document specifies the designation representation, order content, size, shape, weight, technical requirements, test methods, inspection rules, packaging, marking and quality certificate, as well as transportation and storage of nickel-alloy steels with specified low temperature properties for pressure equipment. This document applies to nickel-alloy steels with specified low temperature properties (hereinafter referred to as steel plates) with an operating temperature not lower than -196 ????C and a thickness not greater than 150 mm.
GB/T 713.4-2023
GB
NATIONAL STANDARD OF THE
PEOPLE REPUBLIC OF CHINA
ICS 77.140.50
CCS H 46
Replacing GB/T 24510-2017
Steel plate, sheet and strip for pressure equipments - Part 4:
Nickel-alloy steels with specified low temperature properties
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... 9
7 Technical requirements ... 9
8 Test methods ... 12
9 Inspection rules ... 13
10 Packaging, marking, quality certificates, as well as transportation and storage ... 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 4 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 24510-2017 Nickel alloy steel plates for low temperature pressure vessels. Compared with GB/T 24510-2017, in addition to structural adjustments and editorial changes, the main technical changes are as follows: a) Add the designation representation (see Chapter 4);
b) Change the order content (see Chapter 5; Chapter 3 of GB/T 24510-2017); c) Change the thickness allowable deviation type (see Chapter 6; 4.1 of GB/T 24510- 2017);
d) Remove the steel designation 1.5Ni as well as its chemical composition, mechanical properties and other requirements, and add the steel designation 06Ni7DR as well as its chemical composition, mechanical properties and other requirements (see 7.1 and 7.4; 5.1 and 5.4 of GB/T 24510-2017);
e) Change the chemical composition of each designation (see 7.1; 5.1 of GB/T 24510-2017);
f) Change the manufacturing method of steel plates (see 7.2; 5.2 of GB/T 24510- 2017);
g) Change the delivery state of steel plates (see 7.3; 5.3 of GB/T 24510-2017); Steel plate, sheet and strip for pressure equipments - Part 4:
Nickel-alloy steels with specified low temperature properties
1 Scope
This document specifies the designation representation, order content, size, shape, weight, technical requirements, test methods, inspection rules, packaging, marking and quality certificate, as well as transportation and storage of nickel-alloy steels with specified low temperature properties for pressure equipment.
This document applies to nickel-alloy steels with specified low temperature properties (hereinafter referred to as steel plates) with an operating temperature not lower than - 196 ??C and a thickness not greater than 150 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 223.5, Steel and iron - Determination of acid-soluble silicon and total silicon content - Reduced molybdosilicate spectrophotometric method
GB/T 223.9, Iron, steel and alloy - Determination of aluminium content - Chrom azurol S photometric method
GB/T 223.12, Methods for chemical analysis of iron, steel and alloy - The sodium carbonate separation-diphenyl carbazide photometric method for the determination of chromium 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 223.25, Methods for chemical analysis of iron, steel and alloy. The dimethylglyoxime gravimetric method for the determination of nickel content 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 223.59, Iron, steel and alloy - Determination of phosphorus content - Bismuth phosphomolybdate blue spectrophotometric method and antimony
phosphomolybdate blue spectrophotometric method
GB/T 223.63, Iron, steel and alloy - Determination of manganese content - Sodium (potassium) periodate spectrophotometric method
GB/T 223.76, Methods for chemical analysis iron, steel and alloy - The flame atomic absorption spectrometric method for the determination of vanadium content GB/T 223.79, Iron and steel. Determination of multi-element contents. X-ray fluorescence spectrometry (Routine method)
GB/T 223.85, Steel and iron - Determination of sulfur content - Infrared absorption method after combustion in an induction furnace
GB/T 223.86, Steel and iron - Determination of total carbon content - Infrared absorption method after combustion in an induction furnace
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 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 5313, Steel plate with through-thickness characteristics
GB/T 6803, Test method for drop-weight test to determine nil-ductility transition temperature of ferritic steels
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
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 average carbon content represented by two digits, the nickel element symbol and average content, as well as the Chinese pinyin initials ?€?DR?€? of ?€?Di?€? (low) and ?€?Rong?€? (vessel) for the low temperature pressure vessel. Example: 06Ni9DR. Where:
06 ?€? average carbon content (in parts per 10,000);
Ni9 ?€? average nickel content, 9%;
DR ?€? the Chinese Pinyin initials of ?€?Di?€? (low) and ?€?Rong?€? (vessel).
5 Order content
The order content of steel plates shall comply with the regulations of GB/T 713.1. 6 Size, shape, weight
The size, shape, and weight of steel plates shall comply with the regulations of GB/T 713.1.
7 Technical requirements
7.1 Designation and chemical composition
7.1.1 The designation and chemical composition (melting analysis) of steels shall comply with the requirements in Table 1. See Appendix A for a comparison of similar designations between this document and relevant foreign standards.
9 Inspection rules
9.1 Inspection and acceptance
The inspection and acceptance of steel plates shall be carried out by the supplier?€?s quality inspection department.
9.2 Batch
9.2.1 08Ni3DR shall be accepted in batches. Each batch shall be composed of steel plates of the same designation, furnace number, thickness and heat treatment system. The weight of each batch shall not exceed 30 t. Steel plates with a single weight of more than 30 t shall be batched in a single piece.
9.2.2 07Ni5DR, 06Ni7DR, 06Ni9DR shall be batched by heat treatment pieces. 9.3 Sampling quantity and sampling method
The sampling quantity and sampling method of each batch of steel plates shall comply with the provisions of Table 3.
9.4 Re-inspection and determination rules
The re-inspection and determination rules of steel plates shall comply with the provisions of GB/T 713.1.
9.5 Numerical rounding
Numerical rounding shall comply with the provisions of GB/T 713.1.
10 Packaging, marking, quality certificates, as well as
transportation and storage
10.1 The packaging, marking and quality certificate of steel plates shall comply with the regulations of GB/T 713.1.
10.2 The quality certificate shall indicate the tempering temperature. When requested by the buyer, the actual heat treatment process can be indicated.
10.3 The surface anti-corrosion and transportation requirements of steel plates shall be stipulated in the agreement between the supplier and the buyer.
10.4 Steel plates with qualified residual magnetism cannot be lifted by electromagnets. Steel plates cannot be stored near high-voltage electricity and high-voltage electrical equipment, cannot be transported by electrified railways, and cannot be stored in other environments that may affect the level of residual magnetism.

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