Surface hardening in heat treatment
Surface quenching and tempering heat treatment is usually carried out by induction heating or flame heating.The main technical parameters are surface hardness,local hardness and effective hardened layer depth.The hardness test may be performed by a Vickers hardness tester or a Rockwell or surface Rockwell hardness tester.The choice of test force (scale) is related to the effective hardened layer depth...
Brazilian A234 WPB order for tensile test
Brazilian A234 WPB order for tensile test The following is the Brazilian customer’s order for A234WPB material and need tensile test. Before the test, we need to prepare the test block one week in advance and put the test block on the special test equipment in our factory for test.