GB/T 40740-2021 Active National standards

GB/T 40740-2021 Welding procedures qualification for overlay welding

GB/T 40740-2021 Welding procedures qualification for overlay welding

Publish Date: 2021-10-11 Implement Date: 2022-05-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 40740-2021

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Welding and cutting

ICS Name: \nWelding process

Publish Date: 2021-10-11

Implement Date: 2022-05-01

Pages: 24 pages

Scope

This document specifies the evaluation method for the overlay welding process.
This document is applicable to arc welding, gas welding, electric slag welding, and other welding methods.
Note: When overlay welding the transition layer between dissimilar materials, it is also necessary to comply with the requirements of GB/T 19869.1 for welding process evaluation.

Development Information

Word Count: 48 Thousand words Pages: 24 pages

Referenced Standards

ISO 17405 ISO/TR 18491 ISO/TR 25901(所有部分) GB/T 2653-1989 Methods of bend and compression tests for welded joint GB/T 2653-2008 Bend test methods on welded joints GB/T 2654-1989 Methods of hardness tests for welded joint and surfacing metal GB/T 2654-2008 Hardness test methods on welded joints GB/T 18851.1-2005 Non-destructive testing—Penetrant testing—Part 1:General principles GB/T 18851.1-2012 Non-destructive testing—Penetrant testing—Part 1:General principles GB/T 19866-2005 Specification and qualification of welding procedures for metallic materials—General rules GB/T 19867.1-2005 Welding procedure specification for arc welding GB/T 19867.2-2008 Welding procedure specification for gas welding GB/T 19867.3-2008 Welding procedure specification for electron beam welding GB/T 19867.4-2008 Welding procedure specification for laser beam welding GB/T 26951-2011 Non-destructive testing of welds—Magnetic particle testing GB/T 26952-2011 Non-destructive testing of welds—Magnetic particle testing of welds—Acceptance levels GB/T 26953-2011 Non-destructive testing of welds—Penetrant testing of welds—Acceptance levels GB/T 26955-2011 Destructive tests on welds in metallic materials—Macroscopic and microscopic examination of welds GB/T 32259-2015 Non-destructive testing of welds—Visual testing of fusion-welded joints GB/T 36037-2018 Fluxes for submerged arc welding and electroslag welding GB/T 39255-2020 Gases and gas mixtures for welding and cutting processes GB/T 18851.1-2024 Non-destructive testing—Penetrant testing—Part 1:General principles GB/T 26952-2025 Non-destructive testing of welds—Magnetic particle testing—Acceptance levels GB/T 26951-2025 Non-destructive testing of welds—Magnetic particle testing GB/T 26953-2025 Non-destructive testing of welds—Penetrant testing—Acceptance levels

Adopt standards

ISO 15614-7:2016

Related Standards

GB/T 5185-1985 Replaced

GB/T 5185-1985 Welding, brazing, braze welding and soldering of metals—List of processes, for symbolic representation on drawings

Publish Date: 1985-05-11

GB/T 15169-2003 Active

GB/T 15169-2003 Qualification test of welders—Fusion welding for steels

Publish Date: 2003-11-25

GB/T 19804-2005 Active

GB/T 19804-2005 Welding—General tolerances for welded constructions—Dimensions for lengths and angles—Shape and position

Publish Date: 2005-06-08

GB/T 19805-2005 Active

GB/T 19805-2005 Qualification test of welding operators

Publish Date: 2005-06-08

GB/T 19866-2005 Active

GB/T 19866-2005 Specification and qualification of welding procedures for metallic materials—General rules

Publish Date: 2005-08-10

GB/T 19867.1-2005 Active

GB/T 19867.1-2005 Welding procedure specification for arc welding

Publish Date: 2005-08-10