发明名称 PM hot-work steel and method of producing the same
摘要 PCT No. PCT/EP97/03119 Sec. 371 Date Apr. 16, 1998 Sec. 102(e) Date Apr. 16, 1998 PCT Filed Jun. 16, 1997 PCT Pub. No. WO97/48829 PCT Pub. Date Dec. 24, 1997A powder-metallurgically produced hot-work steel consists (in weight percent) of: 0.25-0.45 carbon, 2.40-4.25 chromium, 2.50-4.40 molybdenum, 0.20-0.95 vanadium, 2.10-3.90 cobalt, 0.10-0.80 silicon, 0.154-0.65 manganese, the balance being iron and possibly impurities resulting from production. The powder charge with the above-mentioned composition is simultaneously exposed to high compacting pressures and high compacting temperatures in a hot isostatic press.
申请公布号 US6015446(A) 申请公布日期 2000.01.18
申请号 US19980011792 申请日期 1998.04.16
申请人 HANSPETER HAU 发明人 ROCHL, MAXIMILIAN
分类号 B22F3/14;B22F3/15;C22C33/02;C22C38/00;C22C38/30;(IPC1-7):C22C33/00 主分类号 B22F3/14
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