CN104894465A - High-chromium cast iron aluminum absorbing pipe and preparation method thereof - Google Patents
High-chromium cast iron aluminum absorbing pipe and preparation method thereof Download PDFInfo
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- CN104894465A CN104894465A CN201410090099.9A CN201410090099A CN104894465A CN 104894465 A CN104894465 A CN 104894465A CN 201410090099 A CN201410090099 A CN 201410090099A CN 104894465 A CN104894465 A CN 104894465A
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Abstract
The invention relates to a high-chromium cast iron aluminum absorbing pipe. The high-chromium cast iron aluminum absorbing pipe comprises the following chemical components in percentage by weight: 2.0-3.0% of C, 0.3-3.0% of Si, 0.5-1.5% of Mn, 10.0-18.0% of Cr, S not more than 0.05%, P not more than 0.05%, 0.3-3.0% of lanthanide deteriorated elements, 0.2-1.5% of ultrathin grain chemical elements, and the balance of Fe. Through smelting, modification, sedation and heat treatment, the high-temperature impact toughness of the obtained material reaches above 35-80 j, the tensile strength reaches above 680 Mpa, and the high-temperature structure property of the material is excellent.
Description
Technical field
The present invention relates to a kind of rich chromium cast iron and complete processing thereof, be specifically related to a kind of rich chromium cast iron and inhale aluminum pipe and preparation method thereof.
Background technology
Rich chromium cast iron is the abbreviation of high chromium white antifriction cast iron, is a kind of excellent property and is subject to the special wear-resistant material paid attention to.It is with the wear resistance more much higher than steel alloy, with toughness, the intensity more much higher than general white cast iron, it also has good high temperature resistance and corrosion resistance concurrently simultaneously, produces convenient, moderate cost in addition, and is described as one of the most excellent contemporary abrasive wear resistant weld deposit material.
Suction aluminum pipe of the prior art, its high temperature microstructure poor performance, high temperature impact toughness and tensile strength far do not reach technical requirements, cannot meet the demand in market.
Summary of the invention
The present invention seeks to the defect of just above prior art, provide a kind of rich chromium cast iron to inhale aluminum pipe and preparation method thereof.
Object of the present invention can be raised difficult questions realization by following technology:
A kind of rich chromium cast iron inhales aluminum pipe, it is characterized in that: the content of its chemical composition is by weight percentage: C:2.0% ~ 3.0%, Si:0.3% ~ 3.0%, Mn:0.5% ~ 1.5%, Cr:10.0% ~ 18.0%, S :≤0.05%, P :≤0.05%, group of the lanthanides alterant element: 0.3% ~ 3.0%, Ultra-fine Grained chemical element: 0.2 ~ 1.5%, all the other are Fe.
As a further improvement on the present invention, the content of its chemical composition is preferably further by weight percentage: C:2.2% ~ 2.8%, Si:0.5% ~ 2.5%, Mn:0.6% ~ 1.2%, Cr:12.5% ~ 15.5%, S :≤0.03%, P :≤0.03%, group of the lanthanides alterant element: 0.5% ~ 2.8%, Ultra-fine Grained chemical element: 0.3 ~ 1.5%, all the other are Fe.
As a further improvement on the present invention, the content of its chemical composition is preferably further by weight percentage: C:2.5% ~ 2.7%, Si:1.2% ~ 2.0%, Mn:0.8% ~ 1.0%, Cr:13.5% ~ 14.5%, S :≤0.02%, P :≤0.02%, group of the lanthanides alterant element: 1.2% ~ 2.0%, Ultra-fine Grained chemical element: 0.5 ~ 1.0%, all the other are Fe.
As a further improvement on the present invention, the optimum content of its chemical composition is by weight percentage: C:2.6%, Si:1.5%, Mn:0.9%, Cr:13.5%, S:0.01%, P:0.008%, group of the lanthanides alterant element: 1.5%, Ultra-fine Grained chemical element: 0.8%, all the other are Fe.
Preparation method of the present invention: comprise the following steps:
(1) melting: first by gray iron, the infusibility iron alloys such as molybdenum-iron load furnace bottom, and then loaded according to the principle of lower tight upper pine by steel scrap etc., temperature is increased to 1550 ~ 1650 DEG C, tapping temperature is 1440 ~ 1480 DEG C;
(2) Metamorphism treatment: add rare earth, antimony, copper, bismuth in molten iron, carries out Metamorphism treatment;
(3) calm process: hot metal ladle is added insulating covering agent in molten iron surface, calm, cast;
(4) thermal treatment: its thermal treatment comprises normalizaion, first workpiece is heated to 1050 DEG C ~ 1080 DEG C with 60 ~ 80 DEG C/h of temperature rise rates, be incubated after 1.5 ~ 2.5 hours, air cooling is to less than 250 DEG C, and then rise to 850 DEG C ~ 880 DEG C, be incubated after 3 ~ 4 hours, air cooling is to room temperature.
Beneficial effect of the present invention is:
(1) material at high temperature impelling strength reaches more than 35 ~ 80 joules, and tensile strength reaches more than 680Mpa;
(2) material at high temperature structure property is superior.
Embodiment
Below in conjunction with embodiment, the invention will be further described:
Embodiment 1
A kind of rich chromium cast iron of the present invention inhales aluminum pipe, and the content of its chemical composition is by weight percentage: C:2.2%, Si:0.8%, Mn:0.9%, Cr:12.0%, S:0.03%, P:0.03%, group of the lanthanides alterant element: 1.2%, Ultra-fine Grained chemical element: 0.8%, all the other are Fe.
Preparation method of the present invention: comprise the following steps:
(1) melting: first by gray iron, the infusibility iron alloys such as molybdenum-iron load furnace bottom, and then loaded according to the principle of lower tight upper pine by steel scrap etc., temperature is increased to 1550 DEG C, tapping temperature is 1440 DEG C;
(2) Metamorphism treatment: add rare earth, antimony, copper, bismuth in molten iron, carries out Metamorphism treatment;
(3) calm process: hot metal ladle is added insulating covering agent in molten iron surface, calm, cast;
(4) thermal treatment: its thermal treatment comprises normalizaion, is first heated to 1050 DEG C by workpiece with 60 DEG C/h of temperature rise rates, and be incubated after 1.5 hours, air cooling to less than 250 DEG C, and then rises to 850 DEG C, and be incubated after 3 hours, air cooling is to room temperature.
Embodiment 2
A kind of rich chromium cast iron of the present invention inhales aluminum pipe, and the content of its chemical composition is by weight percentage: C:2.5%, Si:1.2%, Mn:0.8%, Cr:13%, S:0.038%, P:0.02%, group of the lanthanides alterant element: 1.5%, Ultra-fine Grained chemical element: 0.6%, all the other are Fe.
Preparation method of the present invention: comprise the following steps:
(1) melting: first by gray iron, the infusibility iron alloys such as molybdenum-iron load furnace bottom, and then loaded according to the principle of lower tight upper pine by steel scrap etc., temperature is increased to 1552 DEG C, tapping temperature is 1445 DEG C;
(2) Metamorphism treatment: add rare earth, antimony, copper, bismuth in molten iron, carries out Metamorphism treatment;
(3) calm process: hot metal ladle is added insulating covering agent in molten iron surface, calm, cast;
(4) thermal treatment: its thermal treatment comprises normalizaion, is first heated to 1055 DEG C by workpiece with 65 DEG C/h of temperature rise rates, and be incubated after 2 hours, air cooling to less than 250 DEG C, and then rises to 855 DEG C, and be incubated after 3.2 hours, air cooling is to room temperature.
Embodiment 3
A kind of rich chromium cast iron of the present invention inhales aluminum pipe, and the content of its chemical composition is by weight percentage: C:2.6%, Si:2.0%, Mn:1.1%, Cr:13.5%, S:0.025%, P:0.035%, group of the lanthanides alterant element: 2.2%, Ultra-fine Grained chemical element: 10.5%, all the other are Fe.
Preparation method of the present invention: comprise the following steps:
(1) melting: first by gray iron, the infusibility iron alloys such as molybdenum-iron load furnace bottom, and then loaded according to the principle of lower tight upper pine by steel scrap etc., temperature is increased to 1580 DEG C, tapping temperature is 1465 DEG C;
(2) Metamorphism treatment: add rare earth, antimony, copper, bismuth in molten iron, carries out Metamorphism treatment;
(3) calm process: hot metal ladle is added insulating covering agent in molten iron surface, calm, cast;
(4) thermal treatment: its thermal treatment comprises normalizaion, is first heated to 1065 DEG C by workpiece with 70 DEG C/h of temperature rise rates, and be incubated after 1.8 hours, air cooling to less than 250 DEG C, and then rises to 865 DEG C, and be incubated after 3.3 hours, air cooling is to room temperature.
Embodiment 4
A kind of rich chromium cast iron of the present invention inhales aluminum pipe, and the content of its chemical composition is by weight percentage: C:2.6%, Si:1.5%, Mn:0.9%, Cr:13.5%, S:0.01%, P:0.008%, group of the lanthanides alterant element: 1.5%, Ultra-fine Grained chemical element: 0.8%, all the other are Fe.
Preparation method of the present invention: comprise the following steps:
(1) melting: first by gray iron, the infusibility iron alloys such as molybdenum-iron load furnace bottom, and then loaded according to the principle of lower tight upper pine by steel scrap etc., temperature is increased to 1630 DEG C, tapping temperature is 1480 DEG C;
(2) Metamorphism treatment: add rare earth, antimony, copper, bismuth in molten iron, carries out Metamorphism treatment;
(3) calm process: hot metal ladle is added insulating covering agent in molten iron surface, calm, cast;
(4) thermal treatment: its thermal treatment comprises normalizaion, is first heated to 1080 DEG C by workpiece with 75 DEG C/h of temperature rise rates, and be incubated after 2.5 hours, air cooling to less than 250 DEG C, and then rises to 880 DEG C, and be incubated after 4 hours, air cooling is to room temperature.
Claims (5)
1. rich chromium cast iron inhales an aluminum pipe, it is characterized in that: the content of its chemical composition is by weight percentage: C:2.0% ~ 3.0%, Si:0.3% ~ 3.0%, Mn:0.5% ~ 1.5%, Cr:10.0% ~ 18.0%, S :≤0.05%, P :≤0.05%, group of the lanthanides alterant element: 0.3% ~ 3.0%, Ultra-fine Grained chemical element: 0.2 ~ 1.5%, all the other are Fe.
2. a kind of rich chromium cast iron according to claim 1 inhales aluminum pipe, it is characterized in that: the content of its chemical composition is preferably further by weight percentage: C:2.2% ~ 2.8%, Si:0.5% ~ 2.5%, Mn:0.6% ~ 1.2%, Cr:12.5% ~ 15.5%, S :≤0.03%, P :≤0.03%, group of the lanthanides alterant element: 0.5% ~ 2.8%, Ultra-fine Grained chemical element: 0.3 ~ 1.5%, all the other are Fe.
3. a kind of rich chromium cast iron according to claim 1 inhales aluminum pipe, it is characterized in that: the content of its chemical composition is preferably further by weight percentage: C:2.5% ~ 2.7%, Si:1.2% ~ 2.0%, Mn:0.8% ~ 1.0%, Cr:13.5% ~ 14.5%, S :≤0.02%, P :≤0.02%, group of the lanthanides alterant element: 1.2% ~ 2.0%, Ultra-fine Grained chemical element: 0.5 ~ 1.0%, all the other are Fe.
4. a kind of rich chromium cast iron according to claim 1 inhales aluminum pipe, it is characterized in that: the optimum content of its chemical composition is by weight percentage: C:2.6%, Si:1.5%, Mn:0.9%, Cr:13.5%, S:0.01%, P:0.008%, group of the lanthanides alterant element: 1.5%, Ultra-fine Grained chemical element: 0.8%, all the other are Fe.
5. inhale the preparation method of aluminum pipe according to a kind of rich chromium cast iron according to claim 1 or claim 2, it is characterized in that: comprise the following steps:
(1) melting: first by gray iron, the infusibility iron alloys such as molybdenum-iron load furnace bottom, and then loaded according to the principle of lower tight upper pine by steel scrap etc., temperature is increased to 1550 ~ 1650 DEG C, tapping temperature is 1440 ~ 1480 DEG C;
(2) Metamorphism treatment: add rare earth, antimony, copper, bismuth in molten iron, carries out Metamorphism treatment;
(3) calm process: hot metal ladle is added insulating covering agent in molten iron surface, calm, cast;
(4) thermal treatment: its thermal treatment comprises normalizaion, first workpiece is heated to 1050 DEG C ~ 1080 DEG C with 60 ~ 80 DEG C/h of temperature rise rates, be incubated after 1.5 ~ 2.5 hours, air cooling is to less than 250 DEG C, and then rise to 850 DEG C ~ 880 DEG C, be incubated after 3 ~ 4 hours, air cooling is to room temperature.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410090099.9A CN104894465A (en) | 2014-03-07 | 2014-03-07 | High-chromium cast iron aluminum absorbing pipe and preparation method thereof |
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| CN201410090099.9A CN104894465A (en) | 2014-03-07 | 2014-03-07 | High-chromium cast iron aluminum absorbing pipe and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106191700A (en) * | 2016-08-12 | 2016-12-07 | 宁国井田机电有限公司 | A kind of pump motor is with high chromium high-strength impact-resistant alloy |
| CN108246982A (en) * | 2017-12-21 | 2018-07-06 | 安徽中电气有限公司 | A kind of preparation method of slim rich chromium cast iron pipe |
| CN116083799A (en) * | 2022-12-29 | 2023-05-09 | 宁国东方碾磨材料股份有限公司 | High-hardness wear-resistant steel ball and preparation process thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1091155A (en) * | 1993-02-18 | 1994-08-24 | 东北重型机械学院南校 | A kind of high malleable wear-resisting white cast iron and manufacture method thereof |
| CN1150977A (en) * | 1995-11-17 | 1997-06-04 | 王宇辉 | High-chromium cast-iron grinding ball and its production method |
| CN1487175A (en) * | 2003-08-07 | 2004-04-07 | 济南轻骑发动机有限公司 | Manufacture of air valve seat specially for gas engine |
| CN1600875A (en) * | 2004-08-16 | 2005-03-30 | 安徽省宁国市耐磨材料总厂 | Technique for oil quenching casting sphere made from high chrome alloy |
| CN101906517A (en) * | 2009-06-03 | 2010-12-08 | 康新 | Quenching and temperingTempering heat treatment process for different-alloy high-chromium cast iron blow bars |
| CN102230123A (en) * | 2011-06-17 | 2011-11-02 | 湖南长高新材料股份有限公司 | Chromium-based modified wear-resistant cast iron and preparation method thereof |
-
2014
- 2014-03-07 CN CN201410090099.9A patent/CN104894465A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1091155A (en) * | 1993-02-18 | 1994-08-24 | 东北重型机械学院南校 | A kind of high malleable wear-resisting white cast iron and manufacture method thereof |
| CN1150977A (en) * | 1995-11-17 | 1997-06-04 | 王宇辉 | High-chromium cast-iron grinding ball and its production method |
| CN1487175A (en) * | 2003-08-07 | 2004-04-07 | 济南轻骑发动机有限公司 | Manufacture of air valve seat specially for gas engine |
| CN1600875A (en) * | 2004-08-16 | 2005-03-30 | 安徽省宁国市耐磨材料总厂 | Technique for oil quenching casting sphere made from high chrome alloy |
| CN101906517A (en) * | 2009-06-03 | 2010-12-08 | 康新 | Quenching and temperingTempering heat treatment process for different-alloy high-chromium cast iron blow bars |
| CN102230123A (en) * | 2011-06-17 | 2011-11-02 | 湖南长高新材料股份有限公司 | Chromium-based modified wear-resistant cast iron and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106191700A (en) * | 2016-08-12 | 2016-12-07 | 宁国井田机电有限公司 | A kind of pump motor is with high chromium high-strength impact-resistant alloy |
| CN108246982A (en) * | 2017-12-21 | 2018-07-06 | 安徽中电气有限公司 | A kind of preparation method of slim rich chromium cast iron pipe |
| CN116083799A (en) * | 2022-12-29 | 2023-05-09 | 宁国东方碾磨材料股份有限公司 | High-hardness wear-resistant steel ball and preparation process thereof |
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Application publication date: 20150909 |