Advantages of argon electric pipeline welding compared with traditional welding
Inrecent years, ITU argon pipeline welding method has been widely usedin petrochemical industry, power construction and energy system.Different from the common arc extinguishing and priming process ofmanual arc welding, manual arc welding fills the cover surface.
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Elimination of heat pipe in the band structure
Hot-rolled seamless steel tube or by heat expansion of seamless steel metallurgical examination, often found banded structure defects, severe achieve level 4-5. Different parts of the steel pipe sampling inspection results show that the circumferential surface of the pipe band structure is lighter, the bore surface band structure obviously seriously half the thickness of the band structure.
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Welding process to reduce welding distortion
The more filler metal, the greater the deformation. Making the correct weld size can obtain small welding deformation and save welding time. The amount of filler metal in the weld should be small. Excessive welding metal will increase shrinkage force and welding deformation.
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