... : Dalian 7, MOQ:1 MT Characters:1, high strengh structural steel2, high hardness and toughness3, high hardenability4, good performance in machining and welding ... in making important parts that are able to bear high load and high speed, like gear, axle, clutch, chain wheel, axle sleeve ... nut, etc.; could also be used in making parts of high abrasive resistance and low working temperature.