1. What is arc striking? What are the ways to start an arc? What should you pay attention to when striking an arc?
The process of igniting and producing a stable arc is called arc ignition. There...
Knowledge point 1: Influencing factors and countermeasures of welding process quality
Process quality refers to the degree of guarantee of product quality in the process of production. In other wor...
How to Select Welding Materials for Dual-Grade Austenitic Stainless Steel
—In The Case of 304/304L and 316/316L
The key to selecting dual-grade stainless steel welding consumables lies in understa...
Commonly used stainless steel solid welding wires include AWS ER308, ER308L, ER309, ER309L, R316, ER316L and ER2209, etc., which are widely used in stainless steel welding, chemical industry, shi...
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 ...
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...