TWI355425B - Hot-working steel - Google Patents
Hot-working steel Download PDFInfo
- Publication number
- TWI355425B TWI355425B TW096111725A TW96111725A TWI355425B TW I355425 B TWI355425 B TW I355425B TW 096111725 A TW096111725 A TW 096111725A TW 96111725 A TW96111725 A TW 96111725A TW I355425 B TWI355425 B TW I355425B
- Authority
- TW
- Taiwan
- Prior art keywords
- steel
- weight
- content
- patent application
- hot working
- Prior art date
Links
- 229910000831 Steel Inorganic materials 0.000 title claims description 40
- 239000010959 steel Substances 0.000 title claims description 40
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 229910052804 chromium Inorganic materials 0.000 claims description 6
- 229910052750 molybdenum Inorganic materials 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 238000005299 abrasion Methods 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 239000000956 alloy Substances 0.000 description 7
- 229910045601 alloy Inorganic materials 0.000 description 6
- 239000011651 chromium Substances 0.000 description 5
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 4
- 239000011572 manganese Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000011733 molybdenum Substances 0.000 description 4
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 3
- 229910052748 manganese Inorganic materials 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000005496 tempering Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium with vanadium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
- Forging (AREA)
- Heat Treatment Of Articles (AREA)
Description
1355425 九、發明說明: 【發明所屬之技術領域】 本發明係關於熱加工用鋼,即欲用於加工用材料之熱 條件下加工的鋼。該鋼用途之典型實例係用於擦壓輕質金 屬(主要為紹)之工具。另一形式之用途係用於鍛造工具尹。 本發明亦關於該鋼在製造熱加工用工具方面的用途及由該 鋼所製得之工具。 【先前技術】 對高品質熱加工用工具有許多需求,如良好耐熱磨耗 性及其他特性,如耐回火性、韌性、可硬化性及強度之有 利組合。對最佳工具性能而言,最重要的係符合這些特性❶ 鑑於溫度、壓力及磨損,用於擠壓金屬如鋁之工具係暴露 在嚴格的操作條件中。擠壓意味處於塑化條件之材料係經 過形成擠壓材料之輪廓/形狀的限制/喷嘴的壓榨。因此, 一擠壓喷嘴必須具有高強度並結合良好耐熱磨蝕性以及在 高溫下良好耐回火性,因為一如鋁之材料一般係在約5〇〇_ 6〇〇°C之溫度下進行擠壓。為人所熟知並長久使用之熱加工 用鋼係根據AISI稱為H13(或者H11)並具有下列以重量0/〇 表示之名義組成:0.30-0.40C、0.20-0.40 Mn、0.80-1.20Si、 4.75-5.50 Cr、1.25-1.75 Mo、0.80-1.20 V,剩餘部分為鐵 及不可避免的不純物’但對於HI 1,以重量%表示:〇 3〇 〇 5〇 V且餘量與H13相同。基於改善慣用鋼H13之特定特性的 目的,已著手進行許多不同研究發展路線多年。實例為Ep 5 1355425 632139、US 4,886,640 及 US 4,853,181。 上述所有鋼之常見缺點係其具有比較高含量之昂責合 金材料。相信這是長久以來希望可減至最低之基本缺點。 【發明内容】 基於多年實驗,吾人現在已成功地藉由一具有下列以 重S %表示之化學組成的鋼將上述問題減至最低: 0-30-0.50% c 0-1.5% Si 1 %<Μη<1.8% 1.5-3.5% Cr 〇.3-0.9%(Mo + W/2) 0.4-0.8%(V+Nb/2) 餘量為鐵及不可避免的不純物。 感謝本發明,現在可提供大部分應用一種具有類似傳 、’克Η13鋼之特性但具有近一半之合金成本(以今日金屬價 格計)的熱加工用鋼。基於不同HU類型之鋼早已於市場 上販售的事實,相信必然意外地想到吾人已可發現一種可 有效解決上述問題之合金,特別係考慮抗鋁熱磨耗及熱傳 導性等重要特性相較於傳統Η13合金係獲得改善時。可硬 化性確實有些微受損,但由於大部分市場上販售的擠壓工 具皆用於極小尺寸,估計約70_80%現有製造皆可使用此新 合金’在其餘特性皆保留的功能下使成本大幅下降。 當無另外陳述時,本發明描述對於該鋼化學組成總是 6 …,且對於—成總是以體積百分 處理之描合金㈣及其相互關係及該鋼結構及熱 有助於可硬化性Γ:在以在熱處理後提供該鋼所需硬度並 結果為約(Μ%α ^’/^須為至少〇·3%且為得到最佳 應約〇.45%。 奴對韌性有不利作用,因此上限 石夕係以製造鋼之殘留元辛 ¥素形式而通常以至少0.2% 約 1 〇乂 A人 Θ 丄 . t L'l ^ 〜丨% 节 Μ 主少 0.2%,最 於賦予鋼=含1存在。♦增加鋼中之碳活性,因此有助 火:予鋼-適當硬度。其亦有助於一適當抗氧化性及耐回 。含1太高可能因固溶體變硬而導致易脆問題,因此 石夕在鋼中之最大含量係h5%,較佳係不超過Π 錳、鉻及鉬應以高得足以賦予鋼一適當可硬化性之量 存在於鋼中。 除了有助於可硬化性之外,鉬具有亦有助於一良好耐 回火性之特性。因此,已證明鉬之所需含量為至少〇 3%, 但不超過0.8%。較佳係使用〇,6%之翻。 除了可硬化性之外,鉻亦有助於該合金抗氧化性且其 應以至少1.5%但不超過3.0%之含量存在。鉻之名義含量 較佳係2.6 %。 錳應以超過1 %之含量存在以有助於在鋼的特徵為鉬 及鉻的有限含量下賦予該鋼一所需可硬化性。該鋼應不含 超過1.8°/〇之錳。锰之名義含量較佳係1.4%。
Claims (1)
1355425
100年7月日修正替換頁 十、申請專利範圍: 1·一種熱加工用鋼,特徵在於其具有下列以重量%表示 之化學組成: 0.38-0.46% C, 0.5-1.0% Si > 1%<Μη<1.8°/〇 « 1.5-3.0% Cr, 0.5-0.7% Mo > φ 0.45-0.7% V.» 至多1.0°/。A1,及 以重量%表示之(Mo + Cr)的含量係低於3.5。/。,餘量為鐵 及不可避免的不純物。 2. 根據申請專利範圍第丨項之熱加工用鋼,其特徵在於 以重量%表示之C含量為〇 40-0.44%。 3. 根據申請專利範圍第丨項之熱加工用鋼,其特徵在於 以重量%表示之Μη含量為u 5〇/〇。 _ 4•根據中請專利範圍第3項之熱加工用鋼,其特徵在於 以重里%表示之Μη含量為ι_ι.35% 〇 5·根據申請專利範圍第1項之熱加工用鋼,其特徵在於 以重量%表示之Cr含量為2.2-2.8%。 6.根據申請專利範圍第丨項之熱加工用鋼,其特徵在於 以重量%表不之Cr含量相對於M〇含量係使%Cr/%Mo>3。 7·根據申請專利範圍第1項之熱加工用鋼,其特徵在於 Mo含量以及V含量皆低於〇 7重量%。 12 1355425
其特徵在於 .根據申請專利範㈣1之熟加 V含量係0.5-0.6重量%。 9·根據申請專利範圍第丨項之熱加工用鋼 其包含不超過0.05重量%之Ai。 10.根據申請專利範圍第1項之 ’其特徵在於 項之熱加工用鋼,其特徵在 於以重量%表示之A1含量為0·3_10〇/〇。 11 ·根據申請專利範圍第1 0項之熱加工用鋼,其特徵在 於以重量%表示之Α1含量係約〇.7%。 1 2.根據申凊專利範圍第6或7項之熱加工用鋼,其特 徵在於其在200°C下具有超過26瓦/米。C之熱傳導性。 13. —種根據申請專利範圍第ι_ΐ2項中任一項之鋼的用 途,其係用在製造擠壓工具。 14. 根據申請專利範圍第13項之鋼的用途,其係用於製 造擠壓鋁的工具。 十一、圖式: 如次頁 13 1355425 磨耗試驗4小時 經鑄錠編號2之樣品 標準化之磨耗體積 2 6 7 磨耗試驗8小時 # 經鑄錠編號2之樣品 標準化之磨耗體積 2 6 7
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0600797A SE529809C2 (sv) | 2006-04-06 | 2006-04-06 | Varmarbetsstål |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200741017A TW200741017A (en) | 2007-11-01 |
TWI355425B true TWI355425B (en) | 2012-01-01 |
Family
ID=38563958
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW096111725A TWI355425B (en) | 2006-04-06 | 2007-04-03 | Hot-working steel |
Country Status (16)
Country | Link |
---|---|
US (1) | US20090191086A1 (zh) |
EP (1) | EP2002025A1 (zh) |
JP (1) | JP5185923B2 (zh) |
KR (1) | KR20090010187A (zh) |
CN (1) | CN101415854A (zh) |
AU (1) | AU2007232532B2 (zh) |
BR (1) | BRPI0710268A2 (zh) |
CA (1) | CA2659249A1 (zh) |
MX (1) | MX2008012631A (zh) |
NO (1) | NO20084230L (zh) |
NZ (1) | NZ570919A (zh) |
RU (1) | RU2430186C2 (zh) |
SE (1) | SE529809C2 (zh) |
SG (1) | SG170824A1 (zh) |
TW (1) | TWI355425B (zh) |
WO (1) | WO2007114781A1 (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE533283C2 (sv) * | 2008-03-18 | 2010-08-10 | Uddeholm Tooling Ab | Stål, process för tillverkning av ett stålämne samt process för tillverkning av en detalj av stålet |
BRPI1003185A2 (pt) * | 2010-03-08 | 2012-02-07 | Villares Metals Sa | aço para ferramentas de extrusão |
JP2019119898A (ja) * | 2017-12-28 | 2019-07-22 | 愛知製鋼株式会社 | Cvtリング素材、cvtリング部材及びこれらの製造方法 |
JP6974607B2 (ja) * | 2018-05-14 | 2021-12-01 | 日立金属株式会社 | 積層造形熱間工具およびその製造方法、ならびに、積層造形熱間工具用金属粉末 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1850953A (en) * | 1925-06-19 | 1932-03-22 | Percy A E Armstrong | Heat, rust, and acid resisting ferrous alloy |
GB913525A (en) * | 1960-02-18 | 1962-12-19 | Crucible Steel Co America | Low cost alloy steel |
JPS524414A (en) * | 1975-06-24 | 1977-01-13 | Hitachi Ltd | Reinforced rolls for rolling |
JPS5380318A (en) * | 1976-12-27 | 1978-07-15 | Daido Steel Co Ltd | Hot tool steel with excellent high temperature strength |
JPS5456913A (en) * | 1977-10-15 | 1979-05-08 | Daido Steel Co Ltd | Steel for hot rolling mold |
JPS5782458A (en) * | 1980-11-07 | 1982-05-22 | Hitachi Metals Ltd | High toughness tool steel for hot working |
US4853181A (en) | 1986-06-18 | 1989-08-01 | Wert David E | Hot work tool steel |
US4886640A (en) | 1988-08-22 | 1989-12-12 | Carpenter Technology Corporation | Hot work tool steel with good temper resistance |
DE4321433C1 (de) | 1993-06-28 | 1994-12-08 | Thyssen Stahl Ag | Verwendung eines Warmarbeitsstahls |
JP3538995B2 (ja) * | 1994-09-29 | 2004-06-14 | 日本精工株式会社 | 転がり軸受 |
JP3352889B2 (ja) * | 1996-10-16 | 2002-12-03 | 山陽特殊製鋼株式会社 | 窒化特性に優れた熱間工具鋼 |
JP3612459B2 (ja) * | 1999-11-09 | 2005-01-19 | 山陽特殊製鋼株式会社 | 小ロット生産用金型鋼 |
JP2002088450A (ja) * | 2000-09-14 | 2002-03-27 | Daido Steel Co Ltd | 熱間工具鋼 |
JP4812220B2 (ja) * | 2002-05-10 | 2011-11-09 | 株式会社小松製作所 | 高硬度高靭性鋼 |
EP1696045A1 (en) * | 2003-12-19 | 2006-08-30 | Daido Steel Co., Ltd. | Hot work tool steel and mold member excellent in resistance to melting |
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2006
- 2006-04-06 SE SE0600797A patent/SE529809C2/sv not_active IP Right Cessation
-
2007
- 2007-03-30 BR BRPI0710268-2A patent/BRPI0710268A2/pt not_active IP Right Cessation
- 2007-03-30 EP EP07748364A patent/EP2002025A1/en not_active Withdrawn
- 2007-03-30 RU RU2008136560/02A patent/RU2430186C2/ru not_active IP Right Cessation
- 2007-03-30 JP JP2009504159A patent/JP5185923B2/ja not_active Expired - Fee Related
- 2007-03-30 KR KR1020087027258A patent/KR20090010187A/ko not_active Application Discontinuation
- 2007-03-30 CA CA002659249A patent/CA2659249A1/en not_active Abandoned
- 2007-03-30 AU AU2007232532A patent/AU2007232532B2/en not_active Ceased
- 2007-03-30 MX MX2008012631A patent/MX2008012631A/es active IP Right Grant
- 2007-03-30 SG SG201102360-3A patent/SG170824A1/en unknown
- 2007-03-30 WO PCT/SE2007/050203 patent/WO2007114781A1/en active Application Filing
- 2007-03-30 NZ NZ570919A patent/NZ570919A/en not_active IP Right Cessation
- 2007-03-30 US US12/281,607 patent/US20090191086A1/en not_active Abandoned
- 2007-03-30 CN CNA2007800117009A patent/CN101415854A/zh active Pending
- 2007-04-03 TW TW096111725A patent/TWI355425B/zh not_active IP Right Cessation
-
2008
- 2008-10-09 NO NO20084230A patent/NO20084230L/no not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
RU2008136560A (ru) | 2010-05-20 |
JP5185923B2 (ja) | 2013-04-17 |
SE529809C2 (sv) | 2007-11-27 |
RU2430186C2 (ru) | 2011-09-27 |
CA2659249A1 (en) | 2007-10-11 |
NZ570919A (en) | 2011-07-29 |
JP2009532585A (ja) | 2009-09-10 |
MX2008012631A (es) | 2008-10-13 |
SE0600797L (sv) | 2007-10-07 |
CN101415854A (zh) | 2009-04-22 |
AU2007232532B2 (en) | 2011-06-02 |
BRPI0710268A2 (pt) | 2011-08-09 |
TW200741017A (en) | 2007-11-01 |
NO20084230L (no) | 2008-10-30 |
US20090191086A1 (en) | 2009-07-30 |
SG170824A1 (en) | 2011-05-30 |
AU2007232532A1 (en) | 2007-10-11 |
EP2002025A1 (en) | 2008-12-17 |
KR20090010187A (ko) | 2009-01-29 |
WO2007114781A1 (en) | 2007-10-11 |
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