JP4681590B2 - シンターケーキ支持スタンド用特殊鋼 - Google Patents
シンターケーキ支持スタンド用特殊鋼 Download PDFInfo
- Publication number
- JP4681590B2 JP4681590B2 JP2007287323A JP2007287323A JP4681590B2 JP 4681590 B2 JP4681590 B2 JP 4681590B2 JP 2007287323 A JP2007287323 A JP 2007287323A JP 2007287323 A JP2007287323 A JP 2007287323A JP 4681590 B2 JP4681590 B2 JP 4681590B2
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- Prior art keywords
- sintering
- mass
- stand
- sinter cake
- raw material
- Prior art date
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- 229910000831 Steel Inorganic materials 0.000 title claims description 21
- 239000010959 steel Substances 0.000 title claims description 21
- 238000005245 sintering Methods 0.000 claims description 37
- 239000000463 material Substances 0.000 claims description 10
- 229910052799 carbon Inorganic materials 0.000 claims description 7
- 239000012535 impurity Substances 0.000 claims description 2
- 239000002994 raw material Substances 0.000 description 21
- 239000010410 layer Substances 0.000 description 20
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000571 coke Substances 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 208000025599 Heat Stress disease Diseases 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000007542 hardness measurement Methods 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000012256 powdered iron Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
Images
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- Manufacture And Refinement Of Metals (AREA)
Description
C(mass%)+Si(mass%)/3≦1.19 (1)
(1)Cは、一部が母材に固溶して母材を強化するほか、炭化物を形成して、高温強度および硬度を高めるために有効な元素である。必要な高温強度を確保するだけでなく、従来鋼よりも耐摩耗性を向上させるために、少なくとも0.41mass%含むようにする。含有量が多いほど、高温強度および硬度は高くなるが、高温使用時の時効による2次炭化物の析出量が過剰になって延性の低下を招くようになるので、この用途で延性不足による割れが生じないように、含有量の上限を0.69mass%とした。
2 本体部
3 取付部
11、12、13、14 ホッパー
15 ミキサー
16 サージホッパー
17 ドラムフィーダー
18 シュート
19 焼結パレット
20 焼結原料層
21 点火炉
Claims (1)
- 下方吸引式焼結機の焼結パレットに設置されるシンターケーキ支持スタンドの材料として用いられ、0.41〜0.69mass%のCと、0.20〜2.34mass%のSiとを、下記(1)式を満足する範囲で含有するとともに、Mn:0.1〜1.5mass%、Cr:11〜15mass%を含有し、残部がFeおよび不可避的不純物からなるシンターケーキ支持スタンド用特殊鋼。
C(mass%)+Si(mass%)/3≦1.19 (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007287323A JP4681590B2 (ja) | 2007-02-08 | 2007-11-05 | シンターケーキ支持スタンド用特殊鋼 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007029098 | 2007-02-08 | ||
JP2007287323A JP4681590B2 (ja) | 2007-02-08 | 2007-11-05 | シンターケーキ支持スタンド用特殊鋼 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008214745A JP2008214745A (ja) | 2008-09-18 |
JP4681590B2 true JP4681590B2 (ja) | 2011-05-11 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2007287323A Active JP4681590B2 (ja) | 2007-02-08 | 2007-11-05 | シンターケーキ支持スタンド用特殊鋼 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4681590B2 (ja) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006329594A (ja) * | 2005-05-30 | 2006-12-07 | Nippon Steel Corp | シンターケーキ支持スタンド |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3151653B2 (ja) * | 1995-07-31 | 2001-04-03 | 新日本製鐵株式会社 | シンターケーキ支持スタンド用特殊鋳鋼 |
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2007
- 2007-11-05 JP JP2007287323A patent/JP4681590B2/ja active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006329594A (ja) * | 2005-05-30 | 2006-12-07 | Nippon Steel Corp | シンターケーキ支持スタンド |
Also Published As
Publication number | Publication date |
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JP2008214745A (ja) | 2008-09-18 |
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