JP4900639B2 - 焼戻しマルテンサイト組織を有するフェライト耐熱鋼とその製造方法 - Google Patents
焼戻しマルテンサイト組織を有するフェライト耐熱鋼とその製造方法 Download PDFInfo
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- JP4900639B2 JP4900639B2 JP2005054520A JP2005054520A JP4900639B2 JP 4900639 B2 JP4900639 B2 JP 4900639B2 JP 2005054520 A JP2005054520 A JP 2005054520A JP 2005054520 A JP2005054520 A JP 2005054520A JP 4900639 B2 JP4900639 B2 JP 4900639B2
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- resistant steel
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- 229910000831 Steel Inorganic materials 0.000 title claims description 35
- 239000010959 steel Substances 0.000 title claims description 35
- 229910000734 martensite Inorganic materials 0.000 title claims description 12
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 239000000463 material Substances 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 7
- 229910052758 niobium Inorganic materials 0.000 claims description 7
- 229910052720 vanadium Inorganic materials 0.000 claims description 7
- 238000005496 tempering Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 229910052804 chromium Inorganic materials 0.000 claims description 2
- 239000012535 impurity Substances 0.000 claims description 2
- 229910052748 manganese Inorganic materials 0.000 claims description 2
- 229910052750 molybdenum Inorganic materials 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 229910052721 tungsten Inorganic materials 0.000 claims description 2
- 238000001816 cooling Methods 0.000 description 16
- 238000010438 heat treatment Methods 0.000 description 11
- 238000001556 precipitation Methods 0.000 description 11
- 238000005728 strengthening Methods 0.000 description 10
- 239000002244 precipitate Substances 0.000 description 8
- 229910000859 α-Fe Inorganic materials 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- 230000007774 longterm Effects 0.000 description 6
- 229910001566 austenite Inorganic materials 0.000 description 5
- 230000009466 transformation Effects 0.000 description 5
- 230000006866 deterioration Effects 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000003245 coal Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
Landscapes
- Heat Treatment Of Articles (AREA)
- Heat Treatment Of Steel (AREA)
Description
添加が強度向上のために考慮される。
Claims (3)
- 鋼材の組成範囲がC:0.04〜0.2質量%、Cr:8.0〜13.5質量%、Mo:0〜2.0質量%、W:0〜4.0質量%、V:0.02〜0.35質量%、Nb:0.01〜0.2質量%、Co:0〜4.0質量%、Ni:0〜3.0質量%、N:0.002〜0.15質量%、B:0〜0.02質量%、Si:0〜0.5質量%、Mn:0〜1.0質量%、Al:0〜0.05質量%と不可避的不純物およびFeであるフェライト耐熱鋼を1000℃以上に保持した後、10時間以内に700℃未満の温度に冷却するとともに、その後400℃以上650℃未満の温度範囲の一定温度において少なくとも10分以上保持した後に自然放冷し、次いで730℃ 以上で焼戻しすることを特徴とする焼戻しマルテンサイト組織を有するフェライト耐熱鋼の製造方法。
- 650℃未満の温度から400℃までの冷却にかかる時間を1時間以上とすることを特徴とする請求項1に記載された焼戻しマルテンサイト組織を有するフェライト耐熱鋼の製造方法。
- 請求項1または2の方法で製造されたものであることを特徴とする焼戻しマルテンサイト組織を有するフェライト耐熱鋼。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005054520A JP4900639B2 (ja) | 2005-02-28 | 2005-02-28 | 焼戻しマルテンサイト組織を有するフェライト耐熱鋼とその製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005054520A JP4900639B2 (ja) | 2005-02-28 | 2005-02-28 | 焼戻しマルテンサイト組織を有するフェライト耐熱鋼とその製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2006241482A JP2006241482A (ja) | 2006-09-14 |
| JP4900639B2 true JP4900639B2 (ja) | 2012-03-21 |
Family
ID=37048181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2005054520A Expired - Fee Related JP4900639B2 (ja) | 2005-02-28 | 2005-02-28 | 焼戻しマルテンサイト組織を有するフェライト耐熱鋼とその製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4900639B2 (ja) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103290184A (zh) * | 2013-05-29 | 2013-09-11 | 清华大学 | 一种含铬铁素体耐热钢的热处理方法 |
| DE102016206370A1 (de) * | 2016-04-15 | 2017-10-19 | Siemens Aktiengesellschaft | Martensitischer Stahl mit verzögerter Z-Phase-Bildung und Bauteil |
| EP4372116A4 (en) * | 2021-07-14 | 2024-09-18 | Nippon Steel Corporation | FERRITIC HEAT RESISTANT STEEL |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19712020A1 (de) * | 1997-03-21 | 1998-09-24 | Abb Research Ltd | Vollmartensitische Stahllegierung |
| JPH11350031A (ja) * | 1998-06-11 | 1999-12-21 | Nippon Steel Corp | 低温靭性とクリープ強度に優れた高Cr耐熱鋼の製造方法 |
| JP2003321752A (ja) * | 2002-04-26 | 2003-11-14 | Jfe Steel Kk | 高強度フェライト系耐熱鋼及びその製造方法 |
| JP4177136B2 (ja) * | 2003-02-27 | 2008-11-05 | 株式会社日本製鋼所 | 含B高Cr耐熱鋼の製造方法 |
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2005
- 2005-02-28 JP JP2005054520A patent/JP4900639B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2006241482A (ja) | 2006-09-14 |
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