The SUS430/Q355/SUS430 stainless steel non-vacuum composite steel plate was developed by using Panasonic YC-400TX welding machine and 450 mm hot rolling test set,and the macro-low magnification,micro-microstructure,ele-ment diffusion at the composite and mechanical properties were tested and analyzed.The results show that the bonding strength of SUS430/Q355/SUS430 non-vacuum hot-rolled composite plate is good and the production process is reasonable.
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