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Abstract
Stainless steel 316L is a material that has demonstrated excellent corrosion resistance when exposed to a variety of chemicals, has relatively high durability, and is often used to make chemical tanks and tanks,... As we know, weldment is heated by heat source of arc welding, and clamp conditions,... leading to the occurrence of residual stress in the part or whole welded structure. Therefore, the control of residual stress and deformation is a problem that many domestic and foreign scientists are interested. This paper, using the finite element method to simulate the residual stress and deformation when welding two plates of 316L stainless steel with 10mm of thickness by Plasma welding process with heat input respective: 1000J/mm and 1200J/mm, 1400J/mm.