JP6793541B2 - 球状黒鉛鋳鉄管、および、球状黒鉛鋳鉄管の製造方法 - Google Patents
球状黒鉛鋳鉄管、および、球状黒鉛鋳鉄管の製造方法 Download PDFInfo
- Publication number
- JP6793541B2 JP6793541B2 JP2016251094A JP2016251094A JP6793541B2 JP 6793541 B2 JP6793541 B2 JP 6793541B2 JP 2016251094 A JP2016251094 A JP 2016251094A JP 2016251094 A JP2016251094 A JP 2016251094A JP 6793541 B2 JP6793541 B2 JP 6793541B2
- Authority
- JP
- Japan
- Prior art keywords
- cast iron
- spheroidal graphite
- iron pipe
- graphite cast
- hardness
- 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.)
- Expired - Fee Related
Links
- 229910001141 Ductile iron Inorganic materials 0.000 title claims description 33
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 238000000034 method Methods 0.000 title claims description 4
- 229910001562 pearlite Inorganic materials 0.000 claims description 18
- 239000011159 matrix material Substances 0.000 claims description 15
- 238000000137 annealing Methods 0.000 claims description 14
- 229910001567 cementite Inorganic materials 0.000 claims description 13
- KSOKAHYVTMZFBJ-UHFFFAOYSA-N iron;methane Chemical compound C.[Fe].[Fe].[Fe] KSOKAHYVTMZFBJ-UHFFFAOYSA-N 0.000 claims description 13
- 238000001816 cooling Methods 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 229910002804 graphite Inorganic materials 0.000 claims description 10
- 239000010439 graphite Substances 0.000 claims description 10
- 239000012535 impurity Substances 0.000 claims description 6
- 229910052804 chromium Inorganic materials 0.000 claims description 5
- 239000002054 inoculum Substances 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 5
- 239000011265 semifinished product Substances 0.000 claims description 5
- 229910017082 Fe-Si Inorganic materials 0.000 claims description 4
- 229910017133 Fe—Si Inorganic materials 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 description 13
- 230000009466 transformation Effects 0.000 description 9
- 239000000463 material Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 229910052748 manganese Inorganic materials 0.000 description 7
- 229910000859 α-Fe Inorganic materials 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 229910000734 martensite Inorganic materials 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000005275 alloying Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 238000009750 centrifugal casting Methods 0.000 description 3
- 238000002425 crystallisation Methods 0.000 description 3
- 230000008025 crystallization Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 229910001566 austenite Inorganic materials 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000011081 inoculation Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 238000005496 tempering Methods 0.000 description 2
- 229910000805 Pig iron Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
Images
Landscapes
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Description
(焼鈍条件)
・加熱温度 :900〜1100℃
・加熱保持時間:5〜30分
・冷却速度 :1〜8℃/分
(試験条件)
・試験温度 :常温(30℃)、200℃、300℃、400℃、500℃(5水準)
・荷重 :20kg
・時間 :30秒間
・圧子 :ダイヤモンド
・雰囲気ガス:アルゴン
Claims (4)
- 重量%で、C:3.20〜4.00%、Si:1.40〜3.00%、Mg:0.02〜0.08%、Cr:0.01〜0.20%を含有し、さらにMn:1.20〜1.70%、Cu:0.60〜1.20%となる範囲で含有し、残部がFeおよび不可避的不純物からなり、焼鈍後の基地組織におけるパーライトの面積率が80%以上であり、未分解のセメンタイトの面積率が10〜15%の範囲内である球状黒鉛鋳鉄管。
- 基地組織中に晶出している黒鉛が15.0μm以下に微細化された請求項1に記載の球状黒鉛鋳鉄管。
- 重量%で、C:3.20〜4.00%、Si:1.40〜3.00%、Mg:0.02〜0.08%、Cr:0.01〜0.20%を含有し、さらにMn:1.20〜1.70%、Cu:0.60〜1.20%となる範囲で含有し、残部がFeおよび不可避的不純物からなる溶湯を用いて、冷却速度2.0〜8.0℃/秒で所定形状の半製品を鋳造し、前記半製品を900〜1100℃の温度範囲内で5〜30分保持した後、1〜8℃/分の冷却速度で冷却する球状黒鉛鋳鉄管の製造方法。
- 前記溶湯を金型に注湯する際に、Siが45〜75重量%含まれたFe−Si系接種剤を0.1〜0.5重量%注湯流接種する請求項3に記載の球状黒鉛鋳鉄管の製造方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016251094A JP6793541B2 (ja) | 2016-12-26 | 2016-12-26 | 球状黒鉛鋳鉄管、および、球状黒鉛鋳鉄管の製造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016251094A JP6793541B2 (ja) | 2016-12-26 | 2016-12-26 | 球状黒鉛鋳鉄管、および、球状黒鉛鋳鉄管の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018104750A JP2018104750A (ja) | 2018-07-05 |
JP6793541B2 true JP6793541B2 (ja) | 2020-12-02 |
Family
ID=62786658
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016251094A Expired - Fee Related JP6793541B2 (ja) | 2016-12-26 | 2016-12-26 | 球状黒鉛鋳鉄管、および、球状黒鉛鋳鉄管の製造方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP6793541B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102608392B1 (ko) * | 2021-11-29 | 2023-12-01 | 한국생산기술연구원 | 구상 흑연 주철의 제조 방법 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103122432A (zh) * | 2007-06-26 | 2013-05-29 | 国立大学法人岩手大学 | 片状石墨铸铁及其制造方法 |
JP5812832B2 (ja) * | 2011-12-02 | 2015-11-17 | 曙ブレーキ工業株式会社 | 薄肉球状黒鉛鋳鉄部材およびその製造方法、並びに、車両用部品 |
WO2013122248A1 (ja) * | 2012-02-17 | 2013-08-22 | 本田技研工業株式会社 | 鋳鉄およびブレーキ部品 |
JP6328968B2 (ja) * | 2014-03-20 | 2018-05-23 | 株式会社栗本鐵工所 | 球状黒鉛鋳鉄、及び球状黒鉛鋳鉄の製造方法 |
JP6328967B2 (ja) * | 2014-03-20 | 2018-05-23 | 株式会社栗本鐵工所 | 球状黒鉛鋳鉄管、及び球状黒鉛鋳鉄管の製造方法 |
-
2016
- 2016-12-26 JP JP2016251094A patent/JP6793541B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2018104750A (ja) | 2018-07-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5135562B2 (ja) | 浸炭用鋼、浸炭鋼部品、及び、その製造方法 | |
CN104532149B (zh) | 一种高强韧、抗硫化氢应力腐蚀钻具用圆钢及其制造方法 | |
JP5135563B2 (ja) | 浸炭用鋼、浸炭鋼部品、及び、その製造方法 | |
TWI589706B (zh) | 冷鍛造部品用之呈棒鋼或線材之形狀的輥軋鋼材 | |
RU2664500C1 (ru) | Нефтепромысловая труба из низколегированной стали | |
JP6432932B2 (ja) | 耐ピッチング性および耐摩耗性に優れる高強度高靱性機械構造用鋼製部品およびその製造方法 | |
JP5913214B2 (ja) | ボルト用鋼およびボルト、並びにそれらの製造方法 | |
JP2013227611A (ja) | 耐ssc性に優れた高強度鋼材およびその製造方法 | |
JP6190298B2 (ja) | 耐遅れ破壊性に優れた高強度ボルト用鋼および高強度ボルト | |
TWI595101B (zh) | Cold forging and quenching and tempering after the delay breaking resistance of the wire with excellent bolts, and bolts | |
Srivatsa et al. | Improvement of impact toughness by modified hot working and heat treatment in 13% Cr martensitic stainless steel | |
JP2013227598A (ja) | 鋳鉄鋳物とその製造方法 | |
Basso et al. | Development of high silicon dual phase austempered ductile iron | |
CN106086772A (zh) | 渗氮处理耐磨球制备方法 | |
JP6328968B2 (ja) | 球状黒鉛鋳鉄、及び球状黒鉛鋳鉄の製造方法 | |
JP6793541B2 (ja) | 球状黒鉛鋳鉄管、および、球状黒鉛鋳鉄管の製造方法 | |
JP2015203138A (ja) | 鋳鉄鋳物とその製造方法 | |
JP6328967B2 (ja) | 球状黒鉛鋳鉄管、及び球状黒鉛鋳鉄管の製造方法 | |
JP6459704B2 (ja) | 冷間鍛造部品用鋼 | |
JP7273295B2 (ja) | ボルト用鋼、ボルト、及びボルトの製造方法 | |
RU2250268C1 (ru) | Способ получения отливок из половинчатого чугуна с аустенитно-бейнитной структурой | |
RU2449043C2 (ru) | Способ термической обработки чугуна с шаровидным графитом | |
JP2005307257A5 (ja) | ||
JP6347153B2 (ja) | 鋼材およびその製造方法 | |
Alias et al. | Development of high strength ductile iron with niobium addition |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A80 | Written request to apply exceptions to lack of novelty of invention |
Free format text: JAPANESE INTERMEDIATE CODE: A80 Effective date: 20161227 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20190912 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20200608 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20200728 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20200911 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20201013 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20201110 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6793541 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
LAPS | Cancellation because of no payment of annual fees |