W6Mo5Cr4V3 M3 SKH53 high speed tool steel | Global Trade leader ecrobot

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W6Mo5Cr4V3 M3 SKH53 high speed tool steel

Posting date : Feb 18, 2013

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METALS | Iron and s

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72-

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1. Chemical composition C: 1.00 ~ 1.10 (promised error: ± 0.01) Si: 0.20 ~ 0.45 (promised error: ± 0.05) Mn:0.15 ~ 0.40 to bias: 0.04 S ≤ 0.030 P ≤ 0.030 Cr: 3.75 ~ 4.50 to bias: ± 0.05 Ni: promise residual content ≤ 0.30 Cu: promise residual content ≤ 0.25 V:2.25 ~ 2.75 (promised error: ± 0.05) Mo:4.75 ~ 6.50 (promise: size deviation ≤ 6, ± 0.05; > 6, + 0.10) Tungsten W:5.00 ~ 6.75 (promise: size deviation ≤ 10, ± 0.10; > 10, + 0.20) 2. Heat treatment process Specification: heat treatment quenching, 730 ~ 840 ℃ preheated, 1190 ~ 1210 ℃ (salt bath furnace) or 1200 ~ 1220 ℃ (box-type furnace) heating, oil cooling, 540 ~ 560 ℃ tempering 2 times, each time 2h. 3. Delivery status Hot rolling, forging, cold drawn steel bars in annealing state delivery, rolled, forged steel bar with annealing + other processing methods (skin, gently pull, grinding or polishing processing before delivery) 4.Brand name：Yuji 5.Delivery time：7-15days after receiving advanced payment 6.Packing detail：under requirement 7.Supplying Ability：800Tons/month 8.Place of origin：China 9. MOQ: 20tons easy for containers loading 10.Payment：T/T L/C