... HMK high various alloy steel 11.High intensity, high hardness, high toughness, and high hardenability, etc. 12.Widely ... from Germany and is equipped with various tester, such as tensile tester, impact testing machine, metallography analyzer and ... , metallography analyzer, harmless flaw detector, magnetic powder inspection, hardness tester, caliper rule, microcalliper, etc. Testing is carried out ...