GB/T 5185-1985
Replaced
T/CWAN 0137-2025
Active
Group standards
T/CWAN 0137-2025 Technical Requirements and Application Specifications for Laser-Arc Composite Welding of Overcurrent Components of Hydropower Units
T/CWAN 0137-2025 The laser-arc composite welding technology and application specifications for the flow components of water power units require
Price:
$ 20.00
Basic Information
Standard Code:
T/CWAN 0137-2025
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
-
ICS Name:
\nWelding process
Publish Date:
2025-05-08
Implement Date:
2025-06-01
Scope
Main technical content: This document specifies the process requirements, inspection rules, and technical safety for the laser-GMAW arc composite welding of overcurrent components of hydropower units. This document is applicable to the laser-GMAW arc composite welding of high-nitrogen steel with a plate thickness of ≤14 mm, which is required in the fields of water conservancy and hydropower, aviation and navigation, construction, shipbuilding, cryogenic engineering, pressure vessels, and chemical equipment.
Development Information
Related Standards
GB/T 15169-2003
Active
GB/T 15169-2003 Qualification test of welders—Fusion welding for steels
GB/T 19804-2005
Active
GB/T 19804-2005 Welding—General tolerances for welded constructions—Dimensions for lengths and angles—Shape and position
GB/T 19805-2005
Active
GB/T 19805-2005 Qualification test of welding operators
GB/T 19866-2005
Active
GB/T 19866-2005 Specification and qualification of welding procedures for metallic materials—General rules
GB/T 19867.1-2005
Active