GB/T 28884-2024 Seamless steel tubes for large capacity gas cylinder
1 Scope
This standard specifies the order contents, dimension, shape, weight and tolerances, technical requirements, test methods, inspection rules, packaging, marking and quality certification of seamless steel tubes for large capacity gas cylinder.
This document is applicable to the manufacturing of seamless steel tubes (hereinafter referred to as “steel tubes”) for gas cylinders with a capacity of 150L to 4500L, and may serve as a reference to seamless steel tubes for bottle containers and gas cylinders with other capacity.
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 223.11 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 223.19 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 223.26 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 223.37 Iron, steel and alloy - Determination of nitrogen content - Indophenol blue spectrophotometric method after distillation separation
GB/T 223.40 Iron, steel and alloy - Determination of niobium content by the sulphochlorophenol S 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 223.78 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 223.82 Steel and iron - Determination of hydrogen content - Thermal conductivity/infrared method after fusion under inert gas
GB/T 223.84 Steel, iron and alloy - 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, iron and alloy - 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 231.1 Metallic materials - Brinell hardness test - Part 1: Test method
GB/T 2102 Acceptance, packing, marking and quality certification of steel pipe
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 5777 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 10561-2023 Determination of content of nonmetallic inclusions in steel - Micrographic method using standard diagrams
GB/T 11261 Steel and iron - Determination of oxygen content - The pulse heating inert gas fusion-infra-red absorption method
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 32552 Automated full peripheral ultrasonic thickness testing of seamless and welded (except submerged arc-welded) steel tubes
NB/T 47013.3 Nondestructive testing of pressure equipments - Part 3: Ultrasonic testing
YB/T 4149 Continuously cast round billet for seamless steel tube rolling
YB/T 4307 Iron, steel and alloy - Determination of oxygen, nitrogen and hydrogen contents - TOF-mass spectroscopy method after fusion in a current of inert gas (Routine method)
YB/T 5137 Hot rolled and wrought round blank for high-pressure seamless steel tube
3 Terms and definitions
For the purpose of this standard, the terms and definitions given in GB/T 30062 apply.
4 Order contents
Contracts or orders for purchasing steel tubes based on this document shall include but not be limited to the following:
a) No. of this document;
b) product name;
c) steel designation and group;
Example: When ordering by designation 30CrMoE, Group 2, the designation and group are represented as 30CRMOE-2.
d) ordering quantity (total weight or total number);
e) dimension specifications (nominal outside diameter × minimum wall thickness or nominal outside diameter × nominal wall thickness, in millimeters);
f) length (fixed length or double length);
g) special requirements.
Contents
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Order contents
5 Dimensions, shape, weight and tolerances
6 Technical requirements
7 Test methods
8 Inspection rules
9 Packaging, Marking and Quality Certificate
Annex A (Informative) Other designations and chemical composition, mechanical properties
