GB/T 5310-2023 Seamless steel tubes and pipes for high pressure boiler
1 Scope
This document specifies the classification and code, ordering contents, dimension, shape, weight, technical requirements, samples, test methods, inspection rules, packaging, marking and quality certificate of seamless steel tubes and pipes for high pressure boiler.
This document is applicable to seamless steel tubes and pipes (hereinafter referred to as steel pipes) for boilers and pipelines with high pressure and above, and may serve as a reference to seamless steel pipes for other high-temperature pressure equipment.
2 Normative references
The following documents contain requirements which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 222 Permissible tolerances for chemical composition of steel products
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 - Chrome azurol S photometric method
GB/T 223.11 Iron, steel and alloy - Determination of chromium content - Visual titration or potentiometric titration 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 223.14 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 223.18 Methods for chemical analysis of iron, steel and alloy - The sodium thiosulfate separation iodimetric method for the determination of copper content
GB/T 223.19 Methods for chemical analysis of iron, steel and alloy - The neocuproine-chloroform extraction photometric method for the determination of copper 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 223.29 Iron, steel and alloy - Determination of lead content - Carrier precipitation - Xylenol orange spectrophotometric method
GB/T 223.30 Methods for chemical analysis of iron, steel and alloy - The arsenazo III spectrophotometric method for the determination of zirconium content after separation by p-bromomandelic acid
GB/T 223.31 Iron, steel and alloy - Determination of arsenic content - Distillation-molybdenum blue spectrophotometric method
GB/T 223.36 Methods for chemical analysis of iron, steel and alloy - The neutral titration method for the determination of nitrogen content after distillation separation
GB/T 223.38 Methods for chemical analysis of iron, steel and alloy - The anion-exchange separation-gravimetric method for the determination of niobium content
GB/T 223.40 Iron, steel and alloy - Determination of niobium content by the sulphochlorophenol S spectrophotometric method
GB/T 223.43 Iron steel and alloy - Determination of tungsten content - Gravimetric method and spectrophotometric method
GB/T 223.47 Methods for chemical analysis of iron, steel and alloy - The carrier precipitation-molybdenum blue potometric method for the determination of antimony content
GB/T 223.50 Methods for chemical analysis of iron, steel and alloy - The phenylfluorone-CTMAB direct photometric method for the determination of tin content
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 223.65 Steel, iron and alloy - Determination of cobalt content - Flame atomic absorption spectrometric method
GB/T 223.78 Methods for chemical analysis of iron, steel and alloy - Curcumin spectrophotometric method for the determination of boron content
GB/T 223.80 Iron, steel and alloy - Determination of trace bismuth and arsenic contents - Hydride generation-atomic fluorescence spectrometric method
GB/T 223.84 Steel and iron - Determination of titanium content - Diantipyrylmethane spectrophotometric 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 224 Determination of depth of decarburization of steel
GB/T 226 Test method for macrostructure and defect of steel by etching
GB/T 228.1 Metallic materials - Tensile testing - Part 1: Method of test at room temperature
GB/T 228.2 Metallic materials - Tensile testing - Part 2: Method of test at elevated 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 testing method
GB/T 241 Metal materials - Tube - Hydrostatic pressure test
GB/T 242 Metallic materials - Tube - Drift expanding test
GB/T 246 Metallic materials - Tube - Flattening test
GB/T 1979 Standard diagrams for macrostructure and defect of structural steels
GB/T 2102 Acceptance, packaging, marking and quality certification for steel tubular products
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 4340.1 Metallic materials - Vickers hardness test - Part 1: Test method
GB/T 5777-2019 Automated full peripheral ultrasonic testing of seamless and welded (except submerged arc-welded) steel tubes for the detection of longitudinal and/or transverse imperfections
GB/T 6394 Determination of estimating the average grain size of metal
GB/T 7735-2016 Automated eddy current testing of seamless and welded (except submerged arc-welded) steel tubes for detection of imperfections
GB/T 10561-2023 Steel - Determination of content of nonmetallic inclusions - Micrographic method using standards diagrams
GB/T 11170 Stainless steel - Determination of multi-element contents - Spark discharge atomic emission spectrometric method (routine method)
GB/T 12606-2016 Automated full peripheral flux leakage testing of seamless and welded (except submerged arc-welded) ferromagnetic steel tubes for the detection of longitudinal and/or transverse imperfections
GB/T 13298 Inspection methods of microstructure for metals
GB/T 15822 (all parts) Non-destructive testing - Magnetic particle testing
GB/T 17395 Dimensions, shapes, masses and tolerances of seamless steel tubes
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 20124 Steel and iron - Determination of nitrogen content - Thermal conductimetric method after fusion in a current of inert gas (routine method)
GB/T 30062 Terminology of steel pipes and tubes
GB/T 31925-2015 Ultrasonic test methods of heavy wall thickness seamless steel pipes and tubes
GB/T 32548 Steel and iron - Determination of tin, antimony, cerium, lead and bismuth - Inductively coupled plasma mass spectrometric method
NB/T 47013.5 Nondestructive testing of pressure equipments - Part 5: Penetrant testing
YB/T 4149 Continuously cast round billet for seamless steel tube rolling
YB/T 4395 Steel - Determination of molybdenum, niobium and tungsten contents - Inductively coupled plasma atomic emission spectrometric method
YB/T 4396 Stainless steel - Determination of multi-element contents - Inductively coupled plasma atomic emission spectrometric method
YB/T 5137 Round blank of seamless steel tube for high pressure
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 30062 apply.
4 Classification and code
4.1 The seamless steel pipes hereof are divided into two types according to the manufacturing methods of product, and their categories and codes are as follows:
a) hot rolled (extruded/expanded) steel pipes, with a code of W-H;
b) cold drawn (rolled) steel pipes, with a code of W-C.
4.2 For the purposes of this document, the following symbols apply.
D outside diameter (unless otherwise specified, including nominal outside diameter and/or calculated outside diameter, in mm)
Dc calculated outside diameter (the outside diameter calculated by the sum of the nominal inside diameter and the nominal wall thickness, in mm)
d nominal inside diameter
S wall thickness (unless otherwise specified, including nominal and/or average wall thickness, in mm)
Sc average wall thickness (the average of the maximum and minimum wall thicknesses calculated as per the minimum wall thickness and its permissible deviation, in mm)
Smin minimum wall thickness
5 Ordering contents
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Classification and code
5 Ordering contents
6 Dimension, shape, weight and permissible deviation
7 Technical requirements
8 Sample
9 Test method
10 Inspection rules
11 Packaging, marking and quality certification
Annex A (Informative) Optional special requirements for ordering
Annex B (Informative) Designation comparison of relevant standards at home and abroad
Annex C (Normative) Specified high-temperature plastic elongation strength of steel pipes
Annex D (Informative) Recommend data for 100,000h creep rupture strength of steel pipes
Bibliography
