Tool Steel H11 H12 H13

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We are dealer and supplier of SR4 shock resisting tool steel. SR4 stockist, SR4 Trader, SR4 Tool Steel, SR4 Pnuematic Steel, Pnuematic Flat Steel. 

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Oil-hardening cold-work steels are also known as group O steels consisting of O1, O2, O6, and O7 types. These steels have a high carbon content and adequate amount of alloying elements, thus achieving better hardness when oil-quenched.

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O1 grade steel is an oil-hardening, non-deforming tool steel. It is considered to be a "non-shrinking" steel and it can be hardened to a Rockwell Range of C 65 through use of relatively low temperatures. Tools and dies made from O1 will have good wearing qualities since the tungsten and higher chromium content gives improved wear resistance over the straight manganese grades. O1 is typically selected for its good combination of strength, hardness and wear resistance. O-1 is available in a standard finish as well as a flat ground stock and drill rod. These are precision ground to a fine surface.

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S7 Shock-Resisting Tool Steel is an air or oil hardening tool steel that is characterized by very high impact toughness. The combination of strength and high toughness makes it a candidate for a wide variety of tooling applications. It can be used successfully for both cold and hot work applications.

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OHNS is an oil-hardening, non-deforming tool steel which can be hardened at relatively low temperatures. Tools and dies made from O1 will have good wearing qualities since the tungsten and higher chromium content gives improved wear resistance over the straight manganese grades.