Pre-Harden - 8 Pages

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Catalogue excerpts

Pre-Harden High-speed steel that is hardened and ready for your process upon receipt. Pre-Harden (Hardened Steel Wire Rod)

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Eliminate Heat Treatment Drills, ejector pins and other steel products which are thin and long, need a lot of work after heat treatment to straighten any deformities created by the heat treatment. Setting-up and re-straightening the product can add time and cost to the product. For products that require heat treatment at the end of the process, heat treatment defects may be more critical. The demand for faster speed and longer tool life for machining is requiring more alloy content in materials. The alloy content restricts heat treatment conditions for those materials, making it more difficult...

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Consistent Heat Treatment Quality Consistent hardness Precise temperature control and consecutive heat treating difference between the interior and exterior and also keeps hardness uniform over the Uniform micro-structure Micro-structure is consistent from the surface layer to the core. Outer surface Shorter production time

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Superior Heat Treatment Quality Outstanding straightness Pre-Harden SKH9 Frequency Superior heat treatment achieves "Pre-Harden" highly precise straightness. N=100 x=30 s=15.6 0 20 SKH9 Frequency 4.5 110 64.5HRC 60 50 40 30 20 10 0 60 50 40 30 20 10 0 40 60 80 100 120 140 160 180 200 220 240 260 Curve m/100mm 4.5 110 64.5HRC N=100 x=113 s=39.4 0 20 40 60 80 100 120 140 160 180 200 220 240 260 Curve m/100mm High toughness Precise control of time and temperature during heat treatment produce uniform crystal particles in the steel micro-structure to make "PreHarden" tougher than normal steel produced...

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Pre-Shaped Pre-Harden Reduce costs Wide variety of shapes To produce railing parts for machine drives requires a lot of production time from shaping to grinding. "Pre-shape Pre-Harden" is precisely shaped heat treated material that is near the finished shape and size. This can greatly reduce production time and cut costs. Plus life expectancy can be increased by using high-speed steel for parts exposed to wear. Size and weight can be reduced by combining with extruded aluminum. Pre-Shaped Pre-Harden is available in a wide variety of shapes. Conventional method Typical Pre-Shaped Pre-Harden material...

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Applications Automotive Parts Engine components that require straightness and consistent strength. With "Pre-Harden" only a little work is needed to complete the product. Common rail Orifice Injector Valve piston Pre-Harden (Nozzle needle) Electronic components Tools for punching holes in IC boards requires high accuracy and longevity. With "Pre-Harden" only the tip needs to be machined for a highly durable pin. Pre-Harden (Punch) Machinery parts "Pre-Harden" has been heat treated so it just needs to be installed for extremely straight conveyor rails for bearings. Bearing Pre-Shaped Pre-Harden...

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Production Range Applicable Steel Type/Heat Treatment Hardness * Other grades and hardness are available upon request. NACHI-FUJIKOSHI CORP. (Tokyo Head Office) Shiodome Sumitomo Bldg., 1-9-2 Higashi-Shinbashi, Minato-ku, Tokyo 105-0021 17500 Twenty-Three Mile Road, Macomb, Michigan, 48044, U.S.A. No.2 Joo Koon Way, Jurong Town, Singapore 628943, SINGAPORE NACHI EUROPE GmbH Bischofstrasse 99, 47809, Krefeld, GERMANY Unit 7, Junction Six Industrial Estate, Electric Avenue, Birmingham B6 7JJ, U.K. • information in this catalog may be changed without prior notice due to technical advancements or...

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