CN1200411A - 冷成形钢 - Google Patents

冷成形钢 Download PDF

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Publication number
CN1200411A
CN1200411A CN98106194A CN98106194A CN1200411A CN 1200411 A CN1200411 A CN 1200411A CN 98106194 A CN98106194 A CN 98106194A CN 98106194 A CN98106194 A CN 98106194A CN 1200411 A CN1200411 A CN 1200411A
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CN
China
Prior art keywords
steel
ppm
weight
cold
cold forming
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Granted
Application number
CN98106194A
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English (en)
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CN1087038C (zh
Inventor
B·雷米
J·阿里恩
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Thyssen France SA
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Thyssen France SA
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Application filed by Thyssen France SA filed Critical Thyssen France SA
Publication of CN1200411A publication Critical patent/CN1200411A/zh
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Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/24Ferrous alloys, e.g. steel alloys containing chromium with vanadium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/22Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/26Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/28Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Articles (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Forging (AREA)

Abstract

提出了一种适合用于冷成形及经合金熔化及精炼而得到的钢,其特征在于此合金成分(重量%)如下:C0.80—1.50%,Mn< 1%,Si< 1%,P≤0.030%,S≤0.005%,Cr6.25—9%,Ni< 0.50%,Mo1.0—3%,Al< 0.15%,V0.20—0.40%,Nb0.60—1.5%,N< 150ppm,O< 50ppm,Ti或Zr500—1500ppm,余为Fe及生产此金属时特有的杂质。

Description

冷成形钢
本发明涉及一种冷成形用的,并提供优良耐磨性的钢。
这种钢是通过将钢熔化和精炼而得到的,其特征在于该合金的成分(重量%)如下:
      优选范围    宽的范围
C     1-1.20%    0.80-1.50%
Mn    0.30-0.50% <1%
Si    0.80-1%    <1%
P     ≤0.020%   ≤0.030%
S     ≤0.005%   ≤0.005%
Cr    8-8.50%    6.25-9%
Ni    <0.30%    <0.50%
Mo    2-2.30%    1.80-3%
Al    <200ppm    <0.15%
V     0.20-0.40% 0.20-0.40%
Nb    0.60-0.90% 0.60-1.5%
N    <130ppm     <150ppm
O    <30ppm      <50ppmTi或Zr  500-1000ppm  500-1500ppm其余为Fe及生产此金属时特有的杂质。
此钢是经电熔化,接着在加热的钢包中精炼,真空脱气及重熔过程而加工成的。
在此钢中,C和Nb形成铌的碳化物,而Ti或Zr便于获得自形的铌的碳化物。形成铌的碳化物的化学计算关系是约1%的Nb对0.12%的C。过量的C被钢中的Cr、Mo和V含量平衡。
本发明的钢的硬度大于60Hrc。它显示出以下性能的组合:耐磨性、机加工性和以前从来得到过的韧性。
通过按Charpy测试法测定韧性。在1050℃下处理7×10×55mm参考试样、止于油中,接着是2小时、560℃的退火。就超过或等于60Hrc的硬度而言,它显示出等于或大于40焦耳的断裂功。
本发明的冷成形钢改善了耐磨性,它包括以下三种形式:
—明显改善的磨耗。
—由于该钢优良的韧性而明显改善的去皮损耗,
—也明显改善的粘附损耗。
本发明不只限于所述的和所述的实施方案,而覆盖所有可能的变化。

Claims (2)

1、一种用于冷成形及经合金熔化及精炼而得到的钢,其特征在于此合金的成分(重量%)如下:
C                        0.80-1.50%
Mn                       <1%
Si                       <1%
P                        ≤0.030%
S                        ≤0.005%
Cr                       6.25-9%
Ni                       <0.50%
Mo                       1.80-3%
Al                       <0.15%
V                        0.20-0.40%
Nb                       0.60-1.5%
N                        <150ppm
O                        <50ppmTi或Zr                      500-1500ppm余为Fe及生产此金属时特有的杂质。
2、权利要求1的钢,其特征在于该合金成分(重量%)如下:
C                         1-1.20%
Mn                       0.30-0.50%
Si                       0.80-1%
P                        ≤0.020%
S                        ≤0.005%
Cr                       8-8.50%
Ni                       <0.30%
Mo                       2-2.30%
Al                       <200ppm
V                        0.20-0.40%
Nb                       0.60-0.90%
N                        <130ppm
O                        <30ppmTi或Zr                      500-1000ppm余为Fe和生产此金属时特有的杂质。
CN98106194A 1997-02-04 1998-02-04 冷成形钢 Expired - Fee Related CN1087038C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9701459A FR2759092B1 (fr) 1997-02-04 1997-02-04 Acier pour le formage a froid
FR9701459 1997-02-04

Publications (2)

Publication Number Publication Date
CN1200411A true CN1200411A (zh) 1998-12-02
CN1087038C CN1087038C (zh) 2002-07-03

Family

ID=9503484

Family Applications (1)

Application Number Title Priority Date Filing Date
CN98106194A Expired - Fee Related CN1087038C (zh) 1997-02-04 1998-02-04 冷成形钢

Country Status (18)

Country Link
EP (1) EP0856591B1 (zh)
KR (1) KR100487086B1 (zh)
CN (1) CN1087038C (zh)
AR (1) AR011620A1 (zh)
AT (1) ATE203784T1 (zh)
AU (1) AU733190B2 (zh)
BR (1) BR9800544A (zh)
CA (1) CA2226350C (zh)
CO (1) CO4930308A1 (zh)
DE (1) DE69801241T2 (zh)
ES (1) ES2161506T3 (zh)
FR (1) FR2759092B1 (zh)
HK (1) HK1016657A1 (zh)
MY (1) MY117322A (zh)
PT (1) PT856591E (zh)
SG (1) SG60192A1 (zh)
SI (1) SI9800030A (zh)
ZA (1) ZA98725B (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104532165A (zh) * 2014-12-19 2015-04-22 芜湖金龙模具锻造有限责任公司 一种改良型冷轧辊
CN107937839A (zh) * 2017-11-22 2018-04-20 安徽恒利增材制造科技有限公司 一种高硬度耐磨合金钢

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3926232A1 (de) * 1988-09-22 1990-03-29 Kloeckner Humboldt Deutz Ag Verschleissfeste walzenbeschichtung fuer die walzen von walzenpressen und verfahren zum aufbauen der walzenbeschichtung
US5270124A (en) * 1989-06-30 1993-12-14 The Broken Hill Proprietary Co., Ltd. Composite roll
AT393387B (de) * 1989-10-23 1991-10-10 Boehler Gmbh Kaltarbeitsstahl mit hoher druckfestigkeit und verwendung dieses stahles
FR2733096B1 (fr) * 1995-04-14 1997-07-04 Crouzet Appliance Controls Procede de regulation de vitesse d'un moteur electrique

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104532165A (zh) * 2014-12-19 2015-04-22 芜湖金龙模具锻造有限责任公司 一种改良型冷轧辊
CN107937839A (zh) * 2017-11-22 2018-04-20 安徽恒利增材制造科技有限公司 一种高硬度耐磨合金钢

Also Published As

Publication number Publication date
EP0856591B1 (fr) 2001-08-01
DE69801241D1 (de) 2001-09-06
CN1087038C (zh) 2002-07-03
AU733190B2 (en) 2001-05-10
ATE203784T1 (de) 2001-08-15
KR100487086B1 (ko) 2005-07-21
EP0856591A1 (fr) 1998-08-05
ES2161506T3 (es) 2001-12-01
FR2759092A1 (fr) 1998-08-07
FR2759092B1 (fr) 1999-04-16
KR19980071037A (ko) 1998-10-26
MY117322A (en) 2004-06-30
CO4930308A1 (es) 2000-06-27
ZA98725B (en) 1998-08-05
CA2226350A1 (fr) 1998-08-04
SG60192A1 (en) 1999-02-22
PT856591E (pt) 2001-12-28
DE69801241T2 (de) 2002-05-08
HK1016657A1 (en) 1999-11-05
AU5289398A (en) 1998-08-06
CA2226350C (fr) 2002-09-10
AR011620A1 (es) 2000-08-30
SI9800030A (sl) 1998-10-31
BR9800544A (pt) 1999-09-28

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Granted publication date: 20020703