GB/T 40297-2021
Seamless austenitic stainless steel pipes for high pressure hydrogenation unit (English Version)

Standard No.

GB/T 40297-2021

Language

Chinese, Available in English version

Release Date

2021

Published By

国家市场监督管理总局、中国国家标准化管理委员会

Latest

GB/T 40297-2021

Scope

This document specifies the classification and code, order content, size, shape and weight, technical requirements, test methods, inspection rules, packaging, marks and quality certificates of austenitic stainless steel blank steel pipes for high-pressure oxygenation devices. This document is applicable to austenitic stainless steel grainless steel pipes (hereinafter referred to as "steel pipes") for high-pressure oxygenation equipment, and austenitic stainless steel grainless steel pipes for other ammonia working conditions can also be implemented as a reference.

GB/T 40297-2021 Referenced Document

• GB/T 1031 Geometrical Product Specifications(GPS).Surface texture:Profile method.Surface roughness parameters and their values
• GB/T 10561 Standard grading chart microscopic examination method for determination of non-metallic inclusion content in steel*， 2023-05-23 Update
• GB/T 11170 Stainless steel .Determination of multi-element contents.Spark discharge atomic emission spectrometric method (Routine method)
• GB/T 2102 Acceptance, packaging, marking and quality certification for steel tubular products*， 2022-10-14 Update
• GB/T 222 Permissible tolerances for chemical composition of steel products
• GB/T 223.11 Determination of chromium content in iron, steel and alloy by visual titration or potentiometric titration
• 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 223.28 Methods for chemical analysis of iron,steel and alloy--The α-benzoinoxime gravimetric method for the determination of molybdenum content
• 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 223.59 Iron,steel and alloy.Determination of phosphorus content.Bismuth phosphomolybdate blue spectrophotometic method and antimony phosphomolybdate blue spectruophotometric 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*， 2022-07-11 Update
• 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 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 228.1 Metallic materials—Tensile testing—Part 1: Method of test at room temperature*， 2021-12-31 Update
• GB/T 228.2 Metallic materials.Tensile testing.Part 2:Method of test at elevated temperature
• 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 test methods*， 2024-03-15 Update
• GB/T 241 Metal materials-Tube.Hydrostatic pressure test
• GB/T 242 Metal materials.Tube.Drift-expending test
• GB/T 246 Metallic materials—Tube—Flattening test
• GB/T 2975 Steel and steel products.Location and preparation of samples and test pieces for mechanical testing
• GB/T 4334 Corrosion of metals and alloys－Test methods for intergranular corrosion of austenitic and ferritic-austenitic (duplex) stainless steels
• 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 7735 Automatic eddy current testing for flaws in seamless and welded (except submerged arc welded) steel pipes Amendment No. 1
• NB/T 47013.5 Nondestructive testing of pressure equipments.Part 5: Penetrant testing

GB/T 40297-2021 history

• 2021 GB/T 40297-2021 Seamless austenitic stainless steel pipes for high pressure hydrogenation unit