Abstract:
A cold work steel has the following chemical composition in weight-%: 1.25-1.75% (C+N), however at least 0.5% C 0.1-1.5% Si 0.1-1.5% Mn 4.0-5.5% Cr 2.5-4.5% (Mo+W/2), however max. 0.5% W 3.0-4.5% (V+Nb/2), however max. 0.5% Nb max 0.3% S balance iron and unavoidable impurities, and a microstructure which in the hardened and tempered condition of the steel contains 6-13 vol-% of vanadium-rich MX-carbides, -nitrides and/or carbonitrides which are evenly distributed in the matrix of the steel, where X is carbon and/or nitrogen, at least 90 vol-% of said carbides, nitrides and/or carbonitrides having an equivalent diameter, Deq, which is smaller than 3.0 μm; and totally max. 1 vol-% of other, possibly existing carbides, nitrides or carbonitrides.
Abstract translation:冷加工钢具有重量%以下的化学成分:1.25-1.75%(C + N),然而至少0.5%C 0.1-1.5%Si 0.1-1.5%Mn 4.0-5.5%Cr 2.5-4.5%( Mo + W / 2),但最大。 0.5%W 3.0-4.5%(V + Nb / 2),但最大。 0.5%Nb最大0.3%S平衡铁和不可避免的杂质,并且在钢的硬化和回火状态下的微观组织含有6-13体积%的富含钒的MX-碳化物, - 氮化物和/或碳氮化物,其均匀 分布在钢基质中,其中X是碳和/或氮,至少90vol%的所述碳化物,氮化物和/或碳氮化物具有小于3.0μm的当量直径Deq; 最大 1vol%的其他可能存在的碳化物,氮化物或碳氮化物。
Abstract:
The invention relates to a cold-working steel having a chemical composition, in % by weight, of 1.3-2.4 (C+N), whereof at least 0.5 C, 0.1-1.5 Si, 0.1-1.5 Mn, 4.0-5.5 Cr, 1.5-3.6 (Mo+W/2), but max 0.5 W, 4.8-6.3 (V+Nb/2), but max 2 Nb, and max 0.3 S, in which the content of (C+N) and of (V+Nb/2) are balanced in relation to each other such that the contents of these elements are within an area that is defined by the coordinates A, B, C, D, A in the system of coordinates in FIG. 11, where the coordinates of [(C+N), (V+Nb/2)] for these points are A: [1.38, 4.8], B: [1.78, 4.8], C: [2.32, 6.3], D: [1.92, 6.3], and a balance essentially only iron and impurities at normal contents.
Abstract translation:本发明涉及一种化学组成为重量百分比为1.3-2.4(C + N),至少0.5C,0.1-1.5Si,0.1-1.5Mn,4.0-5.5Cr, 1.5-3.6(Mo + W / 2),但最大0.5 W,4.8-6.3(V + Nb / 2),但最大2 Nb和最大0.3 S,其中(C + N) V + Nb / 2)相互平衡,使得这些元素的内容在由图1的坐标系中的坐标A,B,C,D,A定义的区域内。 11,这些点的[(C + N),(V + Nb / 2)]的坐标为A:[1.38,4.8],B:[1.78,4.8],C:[2.32,6.3],D :[1.92,6.3],平衡含量基本上只有铁和杂质的平衡。
Abstract:
A cold work steel has the following chemical composition in weight-%: 1.25-1.75% (C+N), however at least 0.5% C 0.1-1.5% Si 0.1-1.5% Mn 4.0-5.5% Cr 2.5-4.5% (Mo+W/2), however max. 0.5% W 3.0-4.5% (V+Nb/2), however max. 0.5% Nb max 0.3% S balance iron and unavoidable impurities, and a microstructure which in the hardened and tempered condition of the steel contains 6-13 vol-% of vanadium-rich MX-carbides, -nitrides and/or carbonitrides which are evenly distributed in the matrix of the steel, where X is carbon and/or nitrogen, at least 90 vol-% of said carbides, nitrides and/or carbonitrides having an equivalent diameter, Deq, which is smaller than 3.0 μm; and totally max. 1 vol-% of other, possibly existing carbides, nitrides or carbonitrides.
Abstract translation:冷加工钢具有重量%以下的化学成分:1.25-1.75%(C + N),然而至少0.5%C 0.1-1.5%Si 0.1-1.5%Mn 4.0-5.5%Cr 2.5-4.5%( Mo + W / 2),但最大。 0.5%W 3.0-4.5%(V + Nb / 2),但最大。 0.5%Nb最大0.3%S平衡铁和不可避免的杂质,并且在钢的硬化和回火状态下的微观组织含有6-13体积%的富含钒的MX-碳化物, - 氮化物和/或碳氮化物,其均匀 分布在钢的基体中,其中X是碳和/或氮,至少90vol%的所述碳化物,氮化物和/或碳氮化物具有相当的直径D eq eq 超过3.0个妈妈 最大 1vol%的其他可能存在的碳化物,氮化物或碳氮化物。
Abstract:
A steel alloy suitable for holders and holder details for plastic moulding tools contains in weight-%: 0.06-0.15 C, 0.07-0.22 N, wherein the total amount of C+N shall satisfy the condition, 0.16≦C+N≦0.26, 0.1-1.0 Si, 0.1-2.0 Mn, 12.5-14.5 Cr, 0.8-2.5 Ni, 0.1 1.5 Mo, optionally vanadium up to max. 0.7 V, optionally, in order to improve the machinability of the steel, one or more of the elements S, Ca and O in amounts up to max. 0.25 S, max. 0.01 (100 ppm) Ca, max. 0.01 (100 ppm) O, balance iron and unavoidable impurities.
Abstract:
A steel alloy suitable for holders and holder details for plastic molding tools contains in weight-%: 0.06-0.15 C, 0.07-0.22 N, wherein the total amount of C+N shall satisfy the condition, 0.16≦C+N≦0.26, 0.1-1.0 Si, 0.1-2.0 Mn, 12.5-14.5 Cr, 0.8-2.5 Ni, 0.1 1.5 Mo, optionally vanadium up to max. 0.7 V, optionally, in order to improve the machinability of the steel, one or more of the elements S, Ca and O in amounts up to max. 0.25 S, max. 0.01 (100 ppm) Ca, max. 0.01 (100 ppm) O, balance iron and unavoidable impurities.
Abstract:
A cold work steel has the following chemical composition in weight-%: 1.25-1.75% (C+N), however at least 0.5% C 0.1-1.5% Si 0.1-1.5% Mn 4.0-5.5% Cr 2.5-4.5% (Mo+W/2), however max. 0.5% W 3.0-4.5% (V+Nb/2), however max. 0.5% Nb max 0.3% S balance iron and unavoidable impurities, and a microstructure which in the hardened and tempered condition of the steel contains 6-13 vol-% of vanadium-rich MX-carbides, -nitrides and/or carbonitrides which are evenly distributed in the matrix of the steel, where X is carbon and/or nitrogen, at least 90 vol-% of said carbides, nitrides and/or carbonitrides having an equivalent diameter, Deq, which is smaller than 3.0 μm; and totally max. 1 vol-% of other, possibly existing carbides, nitrides or carbonitrides.
Abstract translation:冷加工钢具有重量%以下的化学成分:1.25-1.75%(C + N),然而至少0.5%C 0.1-1.5%Si 0.1-1.5%Mn 4.0-5.5%Cr 2.5-4.5%( Mo + W / 2),但最大。 0.5%W 3.0-4.5%(V + Nb / 2),但最大。 0.5%Nb最大0.3%S平衡铁和不可避免的杂质,并且在钢的硬化和回火状态下的微观组织含有6-13体积%的富含钒的MX-碳化物, - 氮化物和/或碳氮化物,其均匀 分布在钢的基体中,其中X是碳和/或氮,至少90vol%的所述碳化物,氮化物和/或碳氮化物具有小于3.0μm的当量直径Deq; 最大 1vol%的其他可能存在的碳化物,氮化物或碳氮化物。
Abstract:
A steel alloy is described that, in weight-%, includes 0.08-0.19 C, where 0.16≦C+N≦0.28, 0.1-1.5 Si, 0.1-2.0 Mn, 13.0-15.4 Cr, 0.01-1.8 Ni, 0.01-1.3 Mo, max. 0.7 V, max. 0.25 S, max. 0.01 Ca, max. 0.01 O, in order to improve the machinability of the steel, and balance iron and unavoidable impurities, wherein the steel alloy has a microstructure which, in a tough hardened condition, comprises a martensitic matrix with up to 30 vol-% ferrite.
Abstract translation:描述了一种钢合金,重量%包括0.08-0.19℃,其中0.16 <= C + N <= 0.28,0.1-1.5Si,0.1-2.0Mn,13.0-15.4Cr,0.01-1.8Ni,0.01 -1.3莫,最大 0.7 V,最大 0.25 S,最大 0.01 Ca,最大 0.01 O,为了提高钢的切削性,并且平衡铁和不可避免的杂质,其中钢合金具有在强韧硬化条件下包含高达30体积%铁素体的马氏体基体的微结构。