DURO for hot work - 8 Pages

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Catalogue excerpts

Special Steels for Precise Die and Mold High Toughness Grade ■■mmaflil High Strength Grade ■■iu:i«aal

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DURO-Created by NACHI’s original technology Steels with high toughness and strength for precise die and mold • DURO series, special steels for precise die and mold, are high quality and high grade materials which are made by NACHI’s original technology of steel manufacturing and refining. • They have less non-metallic inclusion and segregation that may cause fractures, and shows superior performance because of the best control for carbide quantity and size. Properties of DURO for Hot Work Good •DURO for Hot Work has two type grades, High Toughness Grade is DURO-N1, High Strength Grade is DURO-F1....

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FM ALLOY is DURO is a brand name for NACHI’s newest material products. Made from NACHI’s own technology to be high performance alloys with fine microstructure control. named from the Latin word which means “hard” or “endure”. A description for our tough materials to be used for die and mold. Benefits of DURO • DURO is made by a highly purified procedure, to have high toughness and fatigue strength because of very little non-metallic inclusions. • Quantity and size of carbides in DURO microstructure are controlled to have a superior balance of toughness and wear resistance. Classification Grade...

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Features of DURO Series for Hot Work Mechanical Properties Superior impact resistance in high temperature impact resistance than H13 in (Warm working zone). Excellent tensile strength in high temperature tensile strength than H13 in

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Superior wear resistance OGOSHI's test wear resistance than H13. Great heat check resistance DUR0-N1, F1 have high strength in high temperature and show great heat check Heat check test • Heating ,7S90£\ ~* Water cooling 4sec ~* Air cooling 2sec

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Features of DURO Series for Hot Work Heat treatment of DURO for Hot Work Heat treatment condition Grade Requirement Aus. [˚C (˚F)] Temp. [˚C (˚F)] Hardness (HRC) For toughness 1030 (1886) 620 × 2 (1148) 50.5 Standard 1050 (1922) 600 × 2 (1112) 52.0 For strength in high temperature 1070 (1958) 580 × 2 (1076) 53.5 For toughness 1080 (1976) 600 × 2 (1112) 54.5 Standard 1100 (2012) 580 × 2 (1076) 56.0 For strength in high temperature 1140 (2084) 580 × 2 (1076) 57.5 DURO-N1 DURO-F1 *Thickness of sample: 50 mm, vacuum furnace + pressure gas quenching (about 4 bar) *Hardness may vary depending on material...

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Quenched and tempered hardness chart For special applications it can also be salt bath furnace. Sample choices of steel grade for applications

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NACHI-FUJIKOSHI CORP. E-mail: webmaster @ nach i-f uj i kosh i .co.jp Tokyo Head Office : Shiodome Sumitomo Bldg. 17F 1-9-2 Higashi-shinbashi, Minato-ku, Tokyo 105-0021, Japan Toyama Head Office: 1-1-1 Fujikoshi-Honmachi, Toyama 930-8511, Japan Tel: +81 -(0)76-423-5111 Fax: +81 -(0)76-493-5211 Overseas Sales Companies • NACHI AMERICA INC. HEADQUARTERS 17500 Twenty-Three Mile Road, Macomb, Michigan, INDIANA BRANCH 715 Pushville Road, Greenwood, Indiana, 46143, WEST COAST BRANCH 12652 E. Alondra Blvd. Cerritos, California, 90703, MIAMI BRANCH - LATIN AMERICA DIV. ATLANTA OFFICE Six Concourse Parkway,...

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