American Standard does not distort oil O1 steel, oil hardened tool steel the best, wide, O1 of the steel has good machining properties, good wear resistance, O1 heat stable performance, small size distortion, but the toughness and corrosion resistance than weak. Commonly used in stamping die, stamping die, bending die, die, punch hole, finishing molds for metal mold. O1 This is a very wide range of excellent steel applications, for a very tough blade material can be processed and depth of the polished blade. Randall knives are used and the Mad Dog 01. O1: Hard grade oil (Oil-Hardening types) of the most widely used tool steel, which is the best in O1-type, with its high manganese chromium and tungsten with hardened to increase, so that steel can be severe without water quenching (on behalf of the them with Jiang 鵐 oil quenching) can be hardened to high hardness (HRc62) level. O1 steel of processing and good, but the toughness and endurance is weak. It is made with the blade can be well qualified daily use; and the heat is easy. 01 blade to maintain vitality. Generally speaking, 01 can be polished very fine, it is very tough, grinding can be assured. 

 O1 tool steel chemical composition: 
 Carbon (C) 0.90 Manganese (Mn) 1.20 W (W) 0.50 Silicon (Si) 0.30 Chromium (Cr) 0.50 

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