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DB6
Forging tools
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hot forging and pressing tools
DIN12714
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55CrMo8
56NiCrMoV7
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2714
l6
Identification designation by standardsmat. No. din en aisi854 1.2714 56nicrmov7 55crmo8 - chemical composition chemical composition in weight %c si mn cr mo ni v w others0.55 0.25 0.75 1.10 0.45 1.65 0.10 - - general information descriptionnickel hot work tool steel with good hardenability. Uniform hardness over section also at great dimensions. Resistance under impact loadings. Very good strength and thougness. Good tempering resistance and dimensional stability. Tools can be water or air cooled. Applicationsforging tools, dies of all sorts, shapes and sizes, hot forging and pressing tools for steel and metal. Moulds, bushings, piercers etc. blocks for dies, hammers and pile drivers, rams of power hammers, hot mill rolls, very hard, cold work dies and punches. properties physical properties (avarage values) at ambient temperature:modulus of elasticity [103 x nmm2]: 215 density [gcm3]: 7.84thermal conductivity [wm.k]: 36.0 electric resistivity [ohm mm2m]: 0.30specific heat capacity[jg.k]: 0.46thermal conductivity [wm.k]20?c 500?c 600?c36.0 36.8 36.0 electric resistivity [ohm mm2m]20?c 500?c 600?c0.30 0.70 0.84 specific heat capacity[jg.k]20?c 500?c 600?c0.46 0.55 0.59 coefficient of linear thermal expansion 10-6 oc-120-100?c 20-200?c 20-300?c 20-400?c 20-500?c 20-600?c 20-700?c11.7 12.1 13.0 13.5 14.0 14.3 14.6 workability forginghot forming temperature: 1050-850?c. machinabilitythe machinability rating of d3 is roughly 25 % that of free machining carbon steel 1018. Due to its abrasion resistant nature, machining in the hardened condition should be limited to finish grinding.
GST : 07AADPG6701B1ZE
4.0/5
Nitin Gupta (Sunil Trading Company)
5022, Bazaar Sirkiwalan, Near Excelsior Cinema, Hauz Qazi, Chandni Chowk, Delhi - 110006
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