CN86103008B - 中碳空冷锰硼贝氏体钢 - Google Patents
中碳空冷锰硼贝氏体钢 Download PDFInfo
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- CN86103008B CN86103008B CN86103008A CN86103008A CN86103008B CN 86103008 B CN86103008 B CN 86103008B CN 86103008 A CN86103008 A CN 86103008A CN 86103008 A CN86103008 A CN 86103008A CN 86103008 B CN86103008 B CN 86103008B
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- Prior art keywords
- steel
- medium carbon
- carbon air
- present
- air cooling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 18
- 239000010959 steel Substances 0.000 title claims abstract description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 8
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 8
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 3
- 239000000956 alloy Substances 0.000 claims abstract description 3
- 229910052796 boron Inorganic materials 0.000 claims abstract description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims abstract 2
- 239000000203 mixture Substances 0.000 claims description 3
- 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 claims 1
- 229910001563 bainite Inorganic materials 0.000 abstract description 6
- 238000001816 cooling Methods 0.000 abstract description 5
- 229910000734 martensite Inorganic materials 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 229910052748 manganese Inorganic materials 0.000 abstract description 2
- 238000010791 quenching Methods 0.000 abstract description 2
- 230000000171 quenching effect Effects 0.000 abstract description 2
- 238000005496 tempering Methods 0.000 abstract description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 abstract 1
- 239000011572 manganese Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 229910017262 Mo—B Inorganic materials 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 241001062472 Stokellia anisodon Species 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
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Abstract
一种中碳空冷贝氏体钢，采用锰，硼为主要合金元素。热加工后，空冷硬度可大于ＨＲc５０。经回火获得有良好强韧性配合的贝氏体／马氏体复相组织。σ0.2≥１２０ｋｇ／ｍｍ2，σb≥１３０ｋｇ／ｍｍ2。可免除淬火工序，节省能源，降低成本。本发明钢种可用来制造弹簧等，其性能达到或超过６０Ｓｉ２Ｍｎ钢。
Description
本发明属低合金结构钢。
中碳贝氏体/马氏体复相组织具有良好的强韧性配合。通常工程上获得中碳贝氏体/马氏体复相组织都采用等温处理。五十年代末Irvine和Pichering提出了Mo-B及W-B系贝氏体钢。这些钢种不用等温处理，空冷可获得贝氏体组织。但Mo，W价昂，大量应用受到限制。
本发明的目的是研制一种中碳空冷贝氏体/马氏体复相组织的钢种。
本发明采用Mn、B为主要合金元素，来获得空冷贝氏体/马氏体复相组织，其成分可为：
1.C0.31～0.46%;Si0.5～1.5%;Mn2.1～3.4%;B0.0005～0.005%;余为Fe（重量%）
2.本钢种的较佳成分可为：
C0.31～0.46%;Si0.5～1.5%;Mn2.6～3.2%;B0.0005～0.005%;余为Fe（重量%）
3.在上述成分基础上加入一种或二种以上下列元素：
W≤1.5%;Mo≤1%;Cr≤1.5%;V≤0.15%。（重量%）
本发明钢种可用电炉按常规冶炼工艺冶炼，注锭，经加热到1200℃，锻轧成材后缓冷。经热加工，空冷及回火，其性能可达到σ0.2≥120kg/mm2，σb≥130kg/mm2。
用本发明钢种代替60Si2Mn钢来制造弹簧等，可免除淬火工序，节省能源降低成本。本钢种用于工程上有明显经济效益。
本钢种实施例见表：
Claims (3)
1、一种中碳空冷贝氏体钢，其特征在于以锰、硼作为主要合金元素，其成分为：
C0.31～0.46%;Si0.5～1.5%;Mn2.6～3.2%;B0.0005～0.005%;余为Fe。（重量%）
2、按权利要求1所述的钢，其特征在于加入一种或二种以上下列元素：W≤1.5%;Mo≤1%;Cr≤1.5%;V≤0.15%。（重量%）
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN86103008A CN86103008B (zh) | 1986-04-30 | 1986-04-30 | 中碳空冷锰硼贝氏体钢 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN86103008A CN86103008B (zh) | 1986-04-30 | 1986-04-30 | 中碳空冷锰硼贝氏体钢 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN86103008B true CN86103008B (zh) | 1987-06-24 |
| CN86103008A CN86103008A (zh) | 1987-06-24 |
Family
ID=4801916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN86103008A Expired CN86103008B (zh) | 1986-04-30 | 1986-04-30 | 中碳空冷锰硼贝氏体钢 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN86103008B (zh) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101014728B (zh) * | 2004-09-27 | 2011-05-25 | 加利福尼亚大学董事会 | 低成本无定形钢 |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4957702A (en) * | 1988-04-30 | 1990-09-18 | Qinghua University | Air-cooling duplex bainite-martensite steels |
| CN1034287C (zh) * | 1993-05-29 | 1997-03-19 | 西安工业学院 | 高强韧性高淬透性空冷贝氏体钢 |
| WO2007118939A1 (fr) | 2006-04-19 | 2007-10-25 | Arcelor France | Procede de fabrication d'une piece soudee a tres hautes caracteristiques mecaniques a partir d'une tole laminee et revetue |
| KR101736638B1 (ko) * | 2015-12-23 | 2017-05-30 | 주식회사 포스코 | 수소유기 균열 (hic) 저항성이 우수한 압력용기용 강재 및 그 제조방법 |
-
1986
- 1986-04-30 CN CN86103008A patent/CN86103008B/zh not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101014728B (zh) * | 2004-09-27 | 2011-05-25 | 加利福尼亚大学董事会 | 低成本无定形钢 |
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| Publication number | Publication date |
|---|---|
| CN86103008A (zh) | 1987-06-24 |
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