GB/T 24593-2018
Welded austenitic stainless steel tubes for boiler and heat exchanger

Standard No.

GB/T 24593-2018

Language

Chinese

Release Date

2018

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Lastest

GB/T 24593-2018

Replace

GB/T 24593-2009

Scope

This standard specifies the order content, size, shape, weight and allowable deviation, technical requirements, test methods, inspection rules, packaging, marks and quality certificates of austenitic stainless steel welded steel pipes for boilers and heat exchangers. This standard applies to austenitic stainless steel welded steel pipes (hereinafter referred to as steel pipes) for heat exchangers and medium and low pressure boilers.

GB/T 24593-2018 Referenced Document

• GB/T 11170 Stainless steel .Determination of multi-element contents.Spark discharge atomic emission spectrometric method (Routine method)
• 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 2102 Acceptance, packaging, marking and quality certification for steel tubular products*， 2022-10-14 Update
• GB/T 21835 Dimensions and masses per unit length of welded steel pipes
• 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 223.18 Methods for chemical analysis of iron steel and alloy.The sodium thiosulfate separation iodimetric method for the determination of cupper content
• GB/T 223.19 Methods for chemical analysis of iron,steel and alloy--The neocuproine-chloroform extraction photometric method for the determination of copper content
• GB/T 223.25 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 223.36 Methods for chemical analysis of iron, steel and alloy. The neutral titration method for the determinaion of nitrogen content after distillation separation
• GB/T 223.37 Iron, steel and alloy—Determination of nitrogen content—Indophenol blue spectrophotometric method after distillation separation*， 2020-06-02 Update
• GB/T 223.40 Iron, steel and alloy Determination of niobium content by the sulphochlorophenol S spectrophotometric method
• GB/T 223.58 Methods for chemical analysis of iron,steel and alloy--The sodium arsenite-sodium nitrite titrimetric method for the determination of manganese content
• 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 223.62 Methods for chemical analysis of iron, steel and alloy--The butyl acetate extraction photometric method for the determination of phosphorus content
• 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 230.1 Metallic materials.Rockwell hardness test.Part 1:Test method
• GB/T 241 Metal materials-Tube.Hydrostatic pressure test
• GB/T 242 Metal materials.Tube.Drift-expending test
• GB/T 245 Metallic materials.Tube.Flanging test
• GB/T 246 Metallic materials—Tube—Flattening test
• GB/T 2653 Bend test methods on welded joints
• GB/T 2975 Steel and steel products.Location and preparation of samples and test pieces for mechanical testing
• GB/T 4334-2008 Corrosion of metals and alloys.Test methods for intergranular corrosion of stainless steels
• GB/T 4340.1 Metallic materials.Vickers hardness test.Part 1:Test method
• 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 24593-2018 history

• 2018 GB/T 24593-2018 Welded austenitic stainless steel tubes for boiler and heat exchanger
• 2009 GB/T 24593-2009 Welded austenitic stainless steel tubes for boiler and heat-exchanger