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Database: 189759 (19 Oct 2025)
JB/T 14449-2024 English PDF
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Standard Title (Description)
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JB/T 14449-2024
English
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3 days [Need to translate]
(Welding process qualification for lifting machinery)
Valid
JB/T 14449-2024
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Basic data
Standard ID
JB/T 14449-2024 (JB/T14449-2024)
Description (Translated English)
(Welding process qualification for lifting machinery)
Sector / Industry
Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard
J80
Classification of International Standard
53.020.20
Date of Issue
2024-03-29
Date of Implementation
2024-10-01
Issuing agency(ies)
Ministry of Industry and Information Technology
Summary
This standard specifies the terms and definitions of welding process assessment in the manufacture of steel structures for lifting machinery, and specifies the general requirements, welding process assessment elements and rules, weld detection and joint performance test, and requirements for exemption from welding process assessment. This standard applies to the assessment activities of welding processes using arc welding, submerged arc welding, gas shielded arc welding, gas tungsten shielded arc welding and gas-electric vertical welding for steel structures with a steel thickness of 3mm or more in the load-bearing structural parts of lifting machinery.