JP4176617B2 - 熱間加工性に優れたs含有オーステナイト系ステンレス鋼 - Google Patents
熱間加工性に優れたs含有オーステナイト系ステンレス鋼 Download PDFInfo
- Publication number
- JP4176617B2 JP4176617B2 JP2003382151A JP2003382151A JP4176617B2 JP 4176617 B2 JP4176617 B2 JP 4176617B2 JP 2003382151 A JP2003382151 A JP 2003382151A JP 2003382151 A JP2003382151 A JP 2003382151A JP 4176617 B2 JP4176617 B2 JP 4176617B2
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- Japan
- Prior art keywords
- stainless steel
- austenitic stainless
- rolling
- hot workability
- less
- 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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- 229910000963 austenitic stainless steel Inorganic materials 0.000 title claims description 18
- 239000012535 impurity Substances 0.000 claims description 10
- 229910001220 stainless steel Inorganic materials 0.000 claims description 9
- 239000010935 stainless steel Substances 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 229910001566 austenite Inorganic materials 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 description 26
- 229910000831 Steel Inorganic materials 0.000 description 12
- 239000010959 steel Substances 0.000 description 12
- 229910052797 bismuth Inorganic materials 0.000 description 10
- 229910052745 lead Inorganic materials 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- 230000007797 corrosion Effects 0.000 description 9
- 238000005260 corrosion Methods 0.000 description 9
- 230000007547 defect Effects 0.000 description 9
- 239000000463 material Substances 0.000 description 9
- 238000005520 cutting process Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000008018 melting Effects 0.000 description 5
- 238000002844 melting Methods 0.000 description 5
- 238000005482 strain hardening Methods 0.000 description 5
- 229910000859 α-Fe Inorganic materials 0.000 description 5
- 230000005389 magnetism Effects 0.000 description 4
- 229910052718 tin Inorganic materials 0.000 description 4
- 229910052725 zinc Inorganic materials 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 230000014509 gene expression Effects 0.000 description 3
- 238000005098 hot rolling Methods 0.000 description 3
- 238000009864 tensile test Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 229910000915 Free machining steel Inorganic materials 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 239000002436 steel type Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Images
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- Heat Treatment Of Steel (AREA)
Description
(1)質量%にてC:0.001〜0.15%
Si:0.1〜0.7%
Mn:1.0〜3%
P :0.1%以下
S :0.1〜0.4%
Ni:7〜14%
Cr:16〜20%
N:0.08%以下を含有し、
更に、Pb+Bi:0.0002%以下、
Zn:0.001%以下、
Sn:0.02%以下
である熱間加工性に優れたS含有オーステナイト系ステンレス鋼。
(2)(1)に加え更にMo:0.5〜3%以下、Cu:0.5〜3.5%以下のうち1種又は2種を含有する熱間加工性に優れたS含有オーステナイト系ステンレス鋼。
(3)(1),(2)において下式で表されるδFe(cal)値が−2.5以上1.5以下である熱間加工性に優れたS含有オーステナイト系ステンレス鋼。
δFe(cal)=3(Cr+Mo+1.5Si)
−2.8{Ni+0.5Mn+0.25Cu+30(C+N)}
−19.8 (1)式
◎:表面疵発生無し ○:ごく少量の表面疵発生 △:一部表面疵発生 ×:全面表面疵発生。
Claims (3)
- 質量%にて
C:0.001〜0.15%
Si:0.1〜0.7%
Mn:1.0〜3%
P :0.1%以下
S :0.1〜0.4%
Ni:7〜14%
Cr:16〜20%
N:0.08%以下を含有し、
更に、Pb+Bi:0.0002%以下、
Zn:0.001%以下、
Sn:0.02%以下
であり、残部がFeおよび不可避的不純物からなることを特徴とする熱間加工に優れたS含有オーステナイト系ステンレス鋼。 - 更にMo:0.5〜3%、Cu:0.5〜3.5%のうち1種又は2種を含有することを特徴とする請求項1に記載の熱間加工に優れたS含有オーステナイト系ステンレス鋼。
- (1)式で表されるδFe(cal)値が−2.5以上1.5以下であることを特徴とする請求項1および2に記載の熱間加工に優れたS含有オーステナイト系ステンレス鋼。
δFe(cal)=3(Cr+Mo+1.5Si)
−2.8{Ni+0.5Mn+0.25Cu+30(C+N)}
−19.8・・・・・・・・・・・・・・・・・・(1) 式
Priority Applications (1)
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---|---|---|---|
JP2003382151A JP4176617B2 (ja) | 2003-11-12 | 2003-11-12 | 熱間加工性に優れたs含有オーステナイト系ステンレス鋼 |
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Application Number | Priority Date | Filing Date | Title |
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JP2003382151A JP4176617B2 (ja) | 2003-11-12 | 2003-11-12 | 熱間加工性に優れたs含有オーステナイト系ステンレス鋼 |
Publications (2)
Publication Number | Publication Date |
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JP2005146305A JP2005146305A (ja) | 2005-06-09 |
JP4176617B2 true JP4176617B2 (ja) | 2008-11-05 |
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JP2003382151A Expired - Lifetime JP4176617B2 (ja) | 2003-11-12 | 2003-11-12 | 熱間加工性に優れたs含有オーステナイト系ステンレス鋼 |
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JP (1) | JP4176617B2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP5881552B2 (ja) * | 2012-07-31 | 2016-03-09 | 新日鐵住金ステンレス株式会社 | オーステナイト系s含有快削ステンレス鋼 |
JP2015062922A (ja) * | 2013-09-25 | 2015-04-09 | 株式会社特殊金属エクセル | 3層クラッド構造を有する電子機器用放熱板素材およびその製造方法 |
JP7288131B1 (ja) * | 2022-11-17 | 2023-06-06 | 日本冶金工業株式会社 | 表面性状に優れたs含有ステンレス鋼およびその製造方法 |
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2003
- 2003-11-12 JP JP2003382151A patent/JP4176617B2/ja not_active Expired - Lifetime
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