| 摘要 |
PCT No. PCT/SE88/00592 Sec. 371 Date May 10, 1990 Sec. 102(e) Date May 10, 1990 PCT Filed Nov. 3, 1988 PCT Pub. No. WO89/05869 PCT Pub. Date Jun. 29, 1989.The invention relates to a precipitation hardening tool steel for mould tools. The steel contains, expressed in weight-%: 0.01-0.1 C from traces to max 2 Si 0.3-3.0 Mn 1-5 Cr 0.1-1 Mo and Ni as a toughness and hardenability improving element, and Ni and Al as a compound and/or Cu for precipitation hardening purposes, wherein the contents of Ni and Al and/or Cu amount to 1-7 Ni 1.0-3.0 Al and/or 1.0-4.0 Cu, wherein 1.5xAl+Cu>/=2.0, balance essentially only iron, impurities and accessory elements in normal amounts. The invention also relates to a mould tool made from the steel according to the invention. |
