C - Chemistry – Metallurgy – 22 – C
Patent
C - Chemistry, Metallurgy
22
C
C22C 38/58 (2006.01) B22F 3/15 (2006.01) C22C 33/02 (2006.01) C22C 38/00 (2006.01) C22C 38/22 (2006.01) C22C 38/24 (2006.01) C22C 38/26 (2006.01) C22C 38/36 (2006.01) C22C 38/44 (2006.01) C22C 38/46 (2006.01) C22C 38/48 (2006.01) C22C 38/56 (2006.01) C21D 7/13 (2006.01)
Patent
CA 2381508
The invention relates to a cold-working steel alloy for the powder metallurgical production of parts, in particular tools, with the improved qualities. In order to set the important characteristic features bending strength, impact bending strength and wear resistance equally on a high level, according to the invention, an alloy is essentially provided, containing in % by weight C 2.05 to 2.65 Cr 6.10 to 9.80 W 0.50 to 2.40 Mo 2.15 to 4.70 V 7.05 to 9.0 Nb 0.25 to 2.45 N 0.04 to 0:32 as well as accompanying elements of up to 2.6 and production- dependent impurities with iron (Fe) as the rest to use as material for the powder-metallurgical production of parts which have an oxygen (O) content of less than 100 ppm and a content and a configuration of non-metallic inclusions corresponding to a KO value of max. 3 as per testing according to DIN 50 602.
Liebfahrt Werner
Rabitsch Roland
Boehler Edelstahl Gmbh
Marks & Clerk
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