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The difference between welding AC and DC

I Welding Arc Stability AC Welding: The stability of AC arc is relatively poor. The direction of the alternating current changes periodically, and the arc will extinguish and re-ignite when th...
Underwater welding technology

There are three types of underwater welding: dry method, wet method and partial dry method. Dry welding This is a method in which a large air chamber is used to cover the weldment, and the welder ...
Measures to Improve Fatigue Strength of Welded Structures

1. Reduce stress concentration The stress concentration point of the fatigue crack source on the welded joint and structure, and all means of eliminating or reducing stress concentration can improv...
What is ER70S-6? Do you really know it?

ER70S‑6 conforms to AWS A5.18. The designation breaks down as follows: ER – Electrode or filler rod 70 – Minimum tensile strength of the deposited weld metal: 70,000 psi (~490 MPa) S – Solid wire 6...
What points should be paid attention to in high carbon steel welding

High-carbon steel refers to carbon steel with w(C) higher than 0.6%, which has a greater tendency to harden than medium-carbon steel, and forms high-carbon martensite, which is more sensitive to t...
How to Relieve Welding Stress and Distortion

Welding stress and distortion is the stress generated in welded components due to welding. It includes internal stresses generated during the welding process and changes in shape and size cause...

Low-fuming Bronze CuZn40Fe1Sn1 brass welding rod