Cold work steel and manufacturing method thereof
    1.
    发明授权
    Cold work steel and manufacturing method thereof 有权
    冷加工钢及其制造方法

    公开(公告)号:US07909906B2

    公开(公告)日:2011-03-22

    申请号:US11868055

    申请日:2007-10-05

    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。

    Process for producing steel article
    2.
    发明授权
    Process for producing steel article 有权
    钢制品生产工艺

    公开(公告)号:US07563333B2

    公开(公告)日:2009-07-21

    申请号:US11441085

    申请日:2006-05-26

    Abstract: The invention concerns an article of a steel which is characterized in that it consists of an alloy which contains in weight-%: 1.2-2.0 C, 0.1-1.5 Si, 0.1-2.0 Mn, max. 0.2 N, max. 0.25 S, 4-8 Cr, 0.5-3.5 (Mo+W/2), 5-8 V, max. 1.0 Nb, balance essentially only iron and unavoidable impurities, and that the steel has a micro-structure obtainable by a manufacturing of the steel which comprises spray forming of an ingot, the micro-structure of which contains 8-15 vol-% carbides of essentially only MC-type where M substantially consists of vanadium, of which carbides at least 80 vol-% have a substantially rounded shape and a size in the longest extension of the carbides amounting to 1-20 μm.

    Abstract translation: 本发明涉及钢的制品,其特征在于它由以重量%计含有:1.2-2.0C,0.1-1.5Si,0.1-2.0Mn,最大值的合金组成。 0.2 N,最大 0.25 S,4-8 Cr,0.5-3.5(Mo + W / 2),5-8 V,最大 1.0 Nb,基本上仅平衡铁和不可避免的杂质,并且钢具有通过钢的制造可获得的微观结构,该微结构包括喷雾形成锭,其微结构含有8-15体积%的碳化物 基本上只有MC型,其中M基本上由钒组成,其中至少80体积%的碳化物具有基本上圆形的形状,碳化物最长延伸的尺寸为1-20微米。

    Steel alloy and tools or components manufactured out of the steel alloy
    3.
    发明授权
    Steel alloy and tools or components manufactured out of the steel alloy 有权
    钢合金和由钢合金制成的工具或部件

    公开(公告)号:US08440136B2

    公开(公告)日:2013-05-14

    申请号:US13211630

    申请日:2011-08-17

    Abstract: The invention relates to a powder metallurgically manufactured steel with a chemical composition containing, in % by weight: 0.01-2 C, 0.6-10 N, 0.01-3.0 Si, 0.01-10.0 Mn, 16-30 Cr, 0.01-5 Ni, 0.01-5.0 (Mo+W/2), 0.01-9 Co, max. 0.5 S and 0.5-14 (V+Nb/2), where the contents of N on the one hand and of (V+Nb/2) on the other hand 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′, G, H, A′, where the coordinates of [N, (V+Nb/2)] are: A′: [0.6,0.5]; B′: [1.6,0.5]; G: [9.8,14.0]; H: [2.6,14.0], and max. 7 of (Ti+Zr+Al), balance essentially only iron and impurities at normal amounts. The steel may be used for tools for injection molding, compression molding and extrusion of components of plastics, and cold working.

    Abstract translation: 本发明涉及一种粉末冶金制造的钢,其化学成分含有重量百分比:0.01-2C,0.6-10N,0.01-3.0Si,0.01-10.0Mn,16-30Cr,0.01-5Ni, 0.01-5.0(Mo + W / 2),0.01-9Co, 0.5 S和0.5-14(V + Nb / 2),其中一方面的N和(V + Nb / 2)的含量彼此平衡,使得这些元素的含量 在坐标A',B',G,H,A'定义的区域内,[N,(V + Nb / 2)]的坐标为:A':[0.6,0.5]; B':[1.6,0.5]; G:[9.8,14.0]; H:[2.6,14.0],最大 7(Ti + Zr + Al),基本上只有铁和正常量的杂质。 钢可用于注塑,压塑和塑料部件的挤出和冷加工的工具。

    Cold work steel
    4.
    发明授权
    Cold work steel 有权
    冷作钢

    公开(公告)号:US07297177B2

    公开(公告)日:2007-11-20

    申请号:US10481269

    申请日:2002-05-17

    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。

    STEEL ALLOY AND TOOLS OR COMPONENTS MANUFACTURED OUT OF THE STEEL ALLOY
    5.
    发明申请
    STEEL ALLOY AND TOOLS OR COMPONENTS MANUFACTURED OUT OF THE STEEL ALLOY 有权
    由钢铁合金制造的钢合金和工具或组件

    公开(公告)号:US20110297277A1

    公开(公告)日:2011-12-08

    申请号:US13211630

    申请日:2011-08-17

    Abstract: The invention relates to a powder metallurgically manufactured steel with a chemical composition containing, in % by weight: 0.01-2 C, 0.6-10 N, 0.01-3.0 Si, 0.01-10.0 Mn, 16-30 Cr, 0.01-5 Ni, 0.01-5.0 (Mo+W/2), 0.01-9 Co, max. 0.5 S and 0.5-14 (V+Nb/2), where the contents of N on the one hand and of (V+Nb/2) on the other hand 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′, 13% G, H, A′, where the coordinates of [N, (V+Nb/2)] are: A′: [0.6,0.5]; B′: [1.6,0.5]; G: [9.8,14.0]; H: [2.6,14.0], and max. 7 of (Ti+Zr+Al), balance essentially only iron and impurities at normal amounts. The steel may be used for tools for injection moulding, compression moulding and extrusion of components of plastics, and cold working.

    Abstract translation: 本发明涉及一种粉末冶金制造的钢,其化学成分含有重量百分比:0.01-2C,0.6-10N,0.01-3.0Si,0.01-10.0Mn,16-30Cr,0.01-5Ni, 0.01-5.0(Mo + W / 2),0.01-9Co, 0.5 S和0.5-14(V + Nb / 2),其中一方面的N和(V + Nb / 2)的含量彼此平衡,使得这些元素的含量 在坐标A',13%G,H,A'定义的区域内,[N,(V + Nb / 2)]的坐标为:A':[0.6,0.5]; B':[1.6,0.5]; G:[9.8,14.0]; H:[2.6,14.0],最大 7(Ti + Zr + Al),基本上只有铁和正常量的杂质。 钢可用于注塑,压塑和塑料部件的挤出和冷加工的工具。

    Steel alloy and tools or components manufactured out of the steel alloy
    6.
    发明授权
    Steel alloy and tools or components manufactured out of the steel alloy 有权
    钢合金和由钢合金制成的工具或部件

    公开(公告)号:US08025839B2

    公开(公告)日:2011-09-27

    申请号:US12064195

    申请日:2006-08-24

    Abstract: The invention relates to a powder metallurgically manufactured steel with a chemical composition containing, in % by weight: 0.01-2 C, 0.6-10 N, 0.01-3.0 Si, 0.01-10.0 Mn, 16-30 Cr, 0.01-5 Ni, 0.01-5.0 (Mo+W/2), 0.01-9 Co, max. 0.5 S and 0.5-14 (V+Nb/2), where the contents of N on the one hand and of (V+Nb/2) on the other hand 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′, G, H, A′, where the coordinates of [N, (V+Nb/2)] are: A: [0.6,0.5]; B′: [1.6,0.5]; G: [9.8,14.0]; H: [2.6,14.0], and max. 7 of (Ti+Zr+Al), balance essentially only iron and impurities at normal amounts. The steel is intended to be used in the manufacturing of tools for injection moulding, compression moulding and extrusion of components of plastics, and for tools for cold working, which are exposed to corrosion. The invention also relates to construction components such as injection nozzles for engines, wear parts, pump parts, bearing components etc. Yet another field of application is the use of the steel alloy for the manufacturing of knives for food industry.

    Abstract translation: 本发明涉及一种粉末冶金制造的钢,其化学成分含有重量百分比:0.01-2C,0.6-10N,0.01-3.0Si,0.01-10.0Mn,16-30Cr,0.01-5Ni, 0.01-5.0(Mo + W / 2),0.01-9Co, 0.5 S和0.5-14(V + Nb / 2),其中一方面的N和(V + Nb / 2)的含量彼此平衡,使得这些元素的含量 在由[N,(V + Nb / 2)]的坐标为A:[0.6,0.5]的坐标A',B',G,H,A'定义的区域内。 B':[1.6,0.5]; G:[9.8,14.0]; H:[2.6,14.0],最大 7(Ti + Zr + Al),基本上只有铁和正常量的杂质。 该钢用于制造用于注射成型,压缩成型和塑料部件挤压的工具以及暴露于腐蚀的冷加工工具。 本发明还涉及诸如发动机用注射喷嘴,耐磨部件,泵部件,轴承部件等的构造部件。另外一个应用领域是使用钢合金制造用于食品工业的刀具。

    Steel and mould tool for plastic materials made of the steel
    9.
    发明授权
    Steel and mould tool for plastic materials made of the steel 有权
    钢和模具用钢材制成的塑胶材料

    公开(公告)号:US07722727B2

    公开(公告)日:2010-05-25

    申请号:US10514940

    申请日:2003-05-07

    Applicant: Odd Sandberg

    Inventor: Odd Sandberg

    CPC classification number: C22C38/22 C21D1/18 C21D6/002 C21D9/0068 C22C38/24

    Abstract: The invention concerns a steel, particularly a steel for mould tools for plastic moulding, having the following chemical composition in weight-%:0.43-0.60 C from traces to 1.5 Si from traces to 1.5 (Si+Al) 0.1-2.0 Mn 3.0-7.0 Cr 1.5-4.0 (Mo+), however max. 1.0 W 0.30-0.70 V max. 0.1 of each of Nb, Ti and Zr max. 2.0 Co max. 2.0 Ni balance essentially only iron and unavoidable impurities. After hardening and high temperature tempering at 520-560° C., the steel has a hardness of 56-68 HRC.

    Abstract translation: 本发明涉及一种钢,特别是用于塑料模塑的模具的钢,其具有如下化学组成,重量百分比:0.43-0.60℃,痕量至痕量至1.5(Si + Al)0.1-2.0 Mn 3.0- 7.0 Cr 1.5-4.0(Mo +), 1.0 W最大0.30-0.70 V Nb,Ti和Zr最多为0.1。 2.0 Co max 2.0 Ni平衡基本上只有铁和不可避免的杂质。 在520-560℃硬化和高温回火后,钢的硬度为56-68 HRC。

    Cold-Working Steel
    10.
    发明申请
    Cold-Working Steel 审中-公开
    冷作钢

    公开(公告)号:US20090010795A1

    公开(公告)日:2009-01-08

    申请号:US12281609

    申请日:2007-04-12

    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。

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