公开(公告)号：US07563333B2

公开(公告)日：2009-07-21

申请号：US11441085

申请日：2006-05-26

Applicant: Odd Sandberg ,  Lennart Jönson

Inventor： Odd Sandberg ,  Lennart Jönson

IPC: C21D9/00

CPC classification number: C22C38/22 ,  C21D1/18 ,  C21D1/25 ,  C22C38/24 ,  C22C38/36 ,  C22C38/60

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。

公开(公告)号：US20080053574A1

公开(公告)日：2008-03-06

申请号：US11868055

申请日：2007-10-05

Applicant: Odd Sandberg ,  Lennart Jonson ,  Magnus Tidesten

Inventor： Odd Sandberg ,  Lennart Jonson ,  Magnus Tidesten

IPC: C22C38/22 ,  B22F3/15 ,  C22C38/24 ,  C22C38/26 ,  C21D6/00

CPC classification number: B22F3/15 ,  B22F2998/10 ,  C21D1/22 ,  C21D2211/005 ,  C21D2211/008 ,  C22C33/0207 ,  C22C33/0257 ,  C22C38/02 ,  C22C38/04 ,  C22C38/22 ,  C22C38/24 ,  C22C38/26 ,  B22F9/082

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。

公开(公告)号：US20070006949A1

公开(公告)日：2007-01-11

申请号：US11519788

申请日：2006-09-13

Applicant: Odd Sandberg ,  Magnus Tidesten

Inventor： Odd Sandberg ,  Magnus Tidesten

IPC: C22C38/44

CPC classification number: C22C38/001 ,  B22F2998/10 ,  C22C33/0264 ,  C22C38/02 ,  C22C38/04 ,  C22C38/44 ,  C22C38/46 ,  C22C38/60 ,  B22F9/082 ,  B22F3/15 ,  B22F3/115

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 translation: 适用于塑料模具的支架和支架细节的钢合金重量含量：0.06-0.15 C，0.07-0.22 N，其中C + N的总量应满足条件0.16 <= C + N <= 0.26,0.1-1.0Si，0.1-2.0 Mn，12.5-14.5 Cr，0.8-2.5 Ni，0.1 1.5 Mo，任选的钒直到最大。 0.7 V，任选地，为了提高钢的机械加工性，一种或多种元素S，Ca和O. 0.25 S，最大 0.01（100ppm）Ca，最大 0.01（100ppm）O，余量为铁和不可避免的杂质。

公开(公告)号：US20060231172A1

公开(公告)日：2006-10-19

申请号：US11441085

申请日：2006-05-26

Applicant: Odd Sandberg ,  Lennart Jonson

Inventor： Odd Sandberg ,  Lennart Jonson

IPC: C21D6/00

CPC classification number: C22C38/22 ,  C21D1/18 ,  C21D1/25 ,  C22C38/24 ,  C22C38/36 ,  C22C38/60

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。

公开(公告)号：US06837945B1

公开(公告)日：2005-01-04

申请号：US09959455

申请日：2000-04-28

Applicant: Odd Sandberg ,  Bo Rydell

Inventor： Odd Sandberg ,  Bo Rydell

IPC: B21B21/02 ,  B21B27/00 ,  C21D9/38 ,  C22B9/16 ,  C22C38/00 ,  C22C38/24 ,  C22C38/26 ,  C22C38/34 ,  C22C38/36 ,  C22C38/18

CPC classification number: C22C38/26 ,  C21D9/38 ,  C21D2211/003 ,  C22C38/24 ,  C22C38/34 ,  C22C38/36

Abstract: The invention concerns a steel article, which consists of an alloy having a chemical composition, which contains in weight-%: 1.2 to 2.5 C; 0.8 to 2.0 Si, which partly can be replaced by aluminium, which may exist in an amount of max 1.0%; 0.1 to 1.5 Mn; 0.5 to 1.5 Cr; 1.2 to 5.0 (V+Nb/2), however max 1.0 Nb; balance iron and impurities in normal amounts, and having a microstructure which contains 4 to 12 volume-% of MC-carbides. The steel article can be used for manufacturing of cold-work tools, particularly pilger rolls for cold rolling of tubes. The invention also relates to a method of manufacturing the article.

Abstract translation: 本发明涉及一种钢制品，其由具有化学组成的合金组成，其重量％：1.2-2.5℃; 0.8〜2.0Si，其部分可以由铝代替，其可以以最大1.0％的量存在; 0.1〜1.5 Mn; 0.5〜1.5 Cr; 1.2〜5.0（V + Nb / 2），但最大1.0Nb; 平衡铁和正常量的杂质，并且具有含有4-12体积％的MC-碳化物的微结构。 钢制品可用于制造冷作工具，特别是用于冷轧管的卷取辊。 本发明还涉及一种制造制品的方法。

公开(公告)号：US06365096B1

公开(公告)日：2002-04-02

申请号：US09646782

申请日：2000-09-22

Applicant: Odd Sandberg ,  Bengt Klarenfjord

Inventor： Odd Sandberg ,  Bengt Klarenfjord

IPC: C33C3822

CPC classification number: C22C38/22 ,  C22C38/18 ,  C22C38/24

Abstract: A steel material for hot work tools has an alloy composition that in weight-% essentially consists of: 0.3-0.4 C, 0.2-0.8 Mn, 4-6 Cr, 1.8-3 Mo, 0.4-0.8 V, balance iron and unavoidable metallic and non-metallic impurities, said non-metallic impurities comprising silicon, nitrogen, oxygen, phosphor and sulfur, the contents of which does not exceed the following maximum contents: max. 0.25 Si, max. 0.010 N, max. 10 ppm O, max. 0.010 weight-% P.

Abstract translation: 用于热加工工具的钢材具有重量百分比基本上由以下组成的合金组成：0.3-0.4℃，0.2-0.8Mn，4-6Cr，1.8-3Mo，0.4-0.8V，余量铁和不可避免的金属 和非金属杂质，所述非金属杂质包括硅，氮，氧，磷和硫，其含量不超过以下最大含量： 0.25 Si，最大 0.010 N，最大 10 ppm O，最大 0.010重量％P.

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

IPC: C22C38/22 ,  C22C38/24

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。

公开(公告)号：US20090010795A1

公开(公告)日：2009-01-08

申请号：US12281609

申请日：2007-04-12

Applicant: Magnus Tidesten ,  Lennart Jonson ,  Odd Sandberg

Inventor： Magnus Tidesten ,  Lennart Jonson ,  Odd Sandberg

IPC: C22C38/22 ,  C22C38/26 ,  C22C38/24 ,  C22C38/60 ,  B22F3/02 ,  C21D8/00

CPC classification number: C22C33/0285 ,  B22F2003/248 ,  B22F2998/10 ,  C22C38/02 ,  C22C38/04 ,  C22C38/22 ,  C22C38/24 ,  C22C38/36 ,  C22C38/60 ,  B22F9/082 ,  B22F3/15 ,  B22F3/17 ,  B22F3/24

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。

公开(公告)号：US06896847B2

公开(公告)日：2005-05-24

申请号：US10276854

申请日：2001-05-11

Applicant: Odd Sandberg ,  Maganss Tidesten

Inventor： Odd Sandberg ,  Maganss Tidesten

IPC: C21D1/18 ,  C22C33/02 ,  C22C38/00 ,  C22C38/44 ,  C22C38/46 ,  C22C38/60

CPC classification number: C22C38/44 ,  B22F2998/00 ,  B22F2998/10 ,  C21D1/18 ,  C21D2211/008 ,  C22C38/002 ,  C22C38/46 ,  C22C38/60 ,  B22F3/115 ,  B22F9/082 ,  B22F3/15

Abstract: A steel alloy has a chemical composition which contains in weight-%, 0.16-0.27 C, 0.06-0.13 N, wherein total content of C+N shall satisfy the condition, 0.3

Abstract translation: 钢合金的化学成分含有重量％，0.16-0.27℃，0.06〜0.13N，其中C + N的总含量应满足条件，0.3

公开(公告)号：US06641681B1

公开(公告)日：2003-11-04

申请号：US10049432

申请日：2002-02-12

Applicant: Odd Sandberg ,  Bo Rydell

Inventor： Odd Sandberg ,  Bo Rydell

IPC: C22C3822

CPC classification number: C21D1/25 ,  C21D2211/003 ,  C21D2211/008 ,  C22C38/22 ,  C22C38/24 ,  C22C38/34 ,  C22C38/36

Abstract: The invention concerns a steel material which consists of a steel having the following chemical composition in weigh-%: 1.0-1.9 C, 0.5-2.0 Si, 0.1-1.5 Mn, 4.0-5.5 Cr, 2.5-4.0 (Mo+W/2), however max 1.0 W, 2.0-4.5 (V+Nb/2), however max 1.0. Nb, balance iron and impurities in normal amounts in the form of residual elements from the manufacturing of the steel, and with a microstructure, which in the hardened and tempered condition of the steel contains 5-12 vol-% MC-carbides, at least about 80 vol-% of the carbides having a size which is larger than 3 &mgr;m but smaller than 25 &mgr;m preferably smaller than 20 &mgr;m, and, prior to tempering, 0.50-0.70 weight-% carbon, which is dissolved in the martensite in the hardened condition of the steel. The material is intended for cold work tools, in the first place for homogenous rolls for cold rolling of meta, strips.

Abstract translation: 本发明涉及一种钢材，其由具有以下化学组成的钢组成：重量％：1.0-1.9℃，0.5-2.0Si，0.1-1.5Mn，4.0-5.5Cr，2.5-4.0（Mo + W / 2 ），但是最大1.0W，2.0-4.5（V + Nb / 2），但最大1.0。 Nb，平衡铁和正常量的杂质以钢的残余元素的形式，并且具有微观结构，其在钢的硬化和回火状态下含有5-12体积％的MC-碳化物，至少 约80体积％的尺寸大于3μm但小于25μm，优选小于20μm的碳化物，并且在回火之前，溶解在马氏体中的碳含量为0.50-0.70重量％ 钢的硬化条件。 该材料适用于冷加工工具，首先是用于冷轧元素条的均匀轧辊。