CN102912233A - Preparation method of high corrosion resistance iron alloy - Google Patents
Preparation method of high corrosion resistance iron alloy Download PDFInfo
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- CN102912233A CN102912233A CN2012103583046A CN201210358304A CN102912233A CN 102912233 A CN102912233 A CN 102912233A CN 2012103583046 A CN2012103583046 A CN 2012103583046A CN 201210358304 A CN201210358304 A CN 201210358304A CN 102912233 A CN102912233 A CN 102912233A
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- iron alloy
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- corrosion resistance
- high corrosion
- smelting furnace
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Abstract
The invention relates to a preparation method of high corrosion resistance iron alloy. The preparation method comprises steps of: preparing raw materials in percentage by weight: 1-1.4% of carbon, 6-7% of manganese, 4-5% of copper, 1.8% of titanium, 0.5-1.2% of silicon, balanced iron and inevitable impurity, placing ingredients in a smelting furnace for heating to be liquid, evenly stirring, leading in nitrogen from the bottom of the smelting furnace in a smelting state, and then conducting cold rolling.
Description
Technical field
The present invention relates to a kind of ferroalloy materials, particularly relate to a kind of iron alloy preparation method with high corrosion resistance.
Background technology
At present, the iron alloy kind in the Application Areas take performance that iron alloy was had as main, seldom has iron alloy to have good over-all properties basically.And good over-all properties is not only the demand of industrial circle, also can enlarge the Application Areas of ferroalloy materials.
Summary of the invention
Technical problem to be solved by this invention is to improve proportioning and the making method of existing iron alloy, provides a kind of erosion resistance, high strength, sludge proof ferroalloy materials.
The present invention is achieved by the following technical solutions:
A kind of high corrosion resistance iron alloy preparation method, its step comprises:
1), form preparation raw material by following weight percent, the carbon of 1-1.4%, the manganese of 6-7%, the copper of 4-5%, 1.8% titanium, the silicon of 0.5-1.2%, all the other are iron and inevitable impurity, wherein the weight ratio of manganese and titanium is 5: 1;
2), by step 1) above-mentioned batching is put into smelting furnace be heated to liquid state and mix, under the melting state, pass into nitrogen 15-20 minute of 0.5-1.2MPa from the smelting furnace bottom, then cold rolling.
Described nitrogen pressure is preferably 1.0MPa.
The invention has the beneficial effects as follows:
1), iron alloy of the present invention compares with existing similar iron alloy, has high strength.
2), iron alloy of the present invention soaks for a long time in the acidic solution of PH4-5 and does not weather.
3), iron alloy of the present invention does not have corrosion and oxidative phenomena in wet environment.
Embodiment
Below describe technical scheme of the present invention in detail by specific embodiment.
Embodiment 1
A kind of high corrosion resistance iron alloy preparation method, its step comprises:
1), form preparation raw material by following weight percent, 1% carbon, 6% manganese, 4% copper, 1.8% titanium, 0.5% silicon, all the other are iron and inevitable impurity;
2), by step 1) above-mentioned batching is put into smelting furnace be heated to liquid state and mix, under the melting state, pass into the nitrogen 20 minutes of 0.5MPa from the smelting furnace bottom, then cold rolling.
Product is tested, and obtaining product strength is 0.215MPa, puts into pH value and be 4.5 acidic solution 1 hour, observes surface-brightening by sight; Did SaltSprayTest 60 hours, the surface is without corrosion.
Embodiment 2
A kind of high corrosion resistance iron alloy preparation method, its step comprises:
1), form preparation raw material by following weight percent, 1.4% carbon, 7% manganese, 5% copper, 1.8% titanium, 1.2% silicon, all the other are iron and inevitable impurity;
2), by step 1) above-mentioned batching is put into smelting furnace be heated to liquid state and mix, under the melting state, pass into the nitrogen 15 minutes of 1.2MPa from the smelting furnace bottom, then cold rolling.
Product is tested, and obtaining product strength is 0.21MPa, puts into pH value and be 4.5 acidic solution 1 hour, observes surface-brightening by sight; Did SaltSprayTest 60 hours, the surface is without corrosion.
Embodiment 3
A kind of high corrosion resistance iron alloy preparation method, its step comprises:
1), form preparation raw material by following weight percent, 1.3% carbon, 6.5% manganese, 4.2% copper, 1.8% titanium, 0.8% silicon, all the other are iron and inevitable impurity;
2), by step 1) above-mentioned batching is put into smelting furnace be heated to liquid state and mix, under the melting state, pass into the nitrogen 18 minutes of 1.0MPa from the smelting furnace bottom, then cold rolling.
Product is tested, and obtaining product strength is 0.23MPa, puts into pH value and be 4.5 acidic solution 1 hour, observes surface-brightening by sight; Did SaltSprayTest 60 hours, the surface is without corrosion.
Claims (2)
1. high corrosion resistance iron alloy preparation method, it is characterized in that: its step comprises:
1), form preparation raw material by following weight percent, the carbon of 1-1.4%, the manganese of 6-7%, the copper of 4-5%, 1.8% titanium, the silicon of 0.5-1.2%, all the other are iron and inevitable impurity, wherein the weight ratio of manganese and titanium is 5: 1;
2), by step 1) above-mentioned batching is put into smelting furnace be heated to liquid state and mix, under the melting state, pass into nitrogen 15-20 minute of 0.5-1.2MPa from the smelting furnace bottom, then cold rolling.
2. described high corrosion resistance iron alloy preparation method according to claim 1, it is characterized in that: described nitrogen pressure is preferably 1.0MPa.
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CN2012103583046A CN102912233A (en) | 2012-09-21 | 2012-09-21 | Preparation method of high corrosion resistance iron alloy |
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CN2012103583046A CN102912233A (en) | 2012-09-21 | 2012-09-21 | Preparation method of high corrosion resistance iron alloy |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104294189A (en) * | 2014-10-20 | 2015-01-21 | 张桂芬 | Preparation method for high cutting performance ferroalloy |
CN104313504A (en) * | 2014-10-20 | 2015-01-28 | 张桂芬 | Iron alloy |
CN104313503A (en) * | 2014-10-20 | 2015-01-28 | 张桂芬 | Iron alloy and preparation method thereof |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003013139A (en) * | 2001-06-28 | 2003-01-15 | Kawasaki Steel Corp | Method for manufacturing high-carbon seamless steel tube superior in secondary workability |
JP2003041344A (en) * | 2001-07-31 | 2003-02-13 | Kawasaki Steel Corp | High-carbon seamless steel pipe superior in secondary workability, and manufacturing method therefor |
CN102191432A (en) * | 2011-05-07 | 2011-09-21 | 梁胜光 | Ferroalloy material and preparation method thereof |
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2012
- 2012-09-21 CN CN2012103583046A patent/CN102912233A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003013139A (en) * | 2001-06-28 | 2003-01-15 | Kawasaki Steel Corp | Method for manufacturing high-carbon seamless steel tube superior in secondary workability |
JP2003041344A (en) * | 2001-07-31 | 2003-02-13 | Kawasaki Steel Corp | High-carbon seamless steel pipe superior in secondary workability, and manufacturing method therefor |
CN102191432A (en) * | 2011-05-07 | 2011-09-21 | 梁胜光 | Ferroalloy material and preparation method thereof |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104294189A (en) * | 2014-10-20 | 2015-01-21 | 张桂芬 | Preparation method for high cutting performance ferroalloy |
CN104313504A (en) * | 2014-10-20 | 2015-01-28 | 张桂芬 | Iron alloy |
CN104313503A (en) * | 2014-10-20 | 2015-01-28 | 张桂芬 | Iron alloy and preparation method thereof |
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Application publication date: 20130206 |