The Welding Influence on Stainless Steel Angle Bar

Stainless steel angle bar is a kind of angle bar, it is used in all field, such as food production equipment, chemical equipment, nuclear energy, etc. Welding is need in production of stainless steel angle bar. Practice shows that welding will not only affect the strength of stainless steel angle bar, but also increase the strength of stainless steel angle bar, making it play a very important function and effect in the application. Specifically because:

The higher the carbon content of stainless steel angle bar, the higher its strength and the lower its plasticity. For every 0.1% increase in carbon content, the yield strength σs increases by approximately 27.4Mpa; the tensile strength σb increases by 58.8-78.4Mpa; the elongation δ decreases by 4.3%, and the reduction of area ψ decreases by 7.3%. The strength of angle bars is the ability of angle bars to withstand external loads under different environmental conditions. The tensile strength is one of the important indicators to measure the strength of steel angle bars.

The definition of tensile strength is: the maximum tensile stress before breaking. For plastic materials, it characterizes the material's resistance to maximum uniform plastic deformation; for brittle materials without (or very small) uniform plastic deformation, it reflects the material's fracture resistance. The weld metal is a cast structure, which is a brittle material without (or very small) uniform plastic deformation, while the steel bar is a plastic material with uniform plastic deformation. Therefore, the presence of weld metal reduces the plasticity of the steel bar; moreover, the welding process is easy Welding defects are generated, which reduces the fracture resistance of the weld metal, so the overall strength of the steel bar is reduced.

Here is the welding influence on stainless steel angle bar, if you have any question, contact us for more details.