Spot Welding - How-To Resistance Weld
2021-9-3 · If there is a lot of heat and excessive wear turn to RWMA Class 11, refractory metal electrodes may be the best choice. Nut welding sometimes is a heat generator and the Class 11 refractory electrodes are successfully used. Electrically Insulated locator pins are employed when needed. Reference: AWS C1.1 Recommended Practices for Resistance Welding
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