CN104294189A - Preparation method for high cutting performance ferroalloy - Google Patents

Preparation method for high cutting performance ferroalloy Download PDF

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Publication number
CN104294189A
CN104294189A CN201410562861.9A CN201410562861A CN104294189A CN 104294189 A CN104294189 A CN 104294189A CN 201410562861 A CN201410562861 A CN 201410562861A CN 104294189 A CN104294189 A CN 104294189A
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Prior art keywords
iron alloy
high cutting
minute
preparation
smelting furnace
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CN201410562861.9A
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Chinese (zh)
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张桂芬
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Individual
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Individual
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Priority to CN201410562861.9A priority Critical patent/CN104294189A/en
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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/04—Making ferrous alloys by melting
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)

Abstract

The invention relates to a preparation method for a high cutting performance ferroalloy. The high cutting performance ferroalloy is prepared from the following raw materials in percentage by weight: 1-1.4% of carbon, 6-7% of manganese, 4-5 parts of copper, 1.5-2.5% of titanium, 0.01-0.03% of tellurium, 0.01-0.03% of bismuth, 0.03-0.05% of molybdenum, 0.01-0.03% of zirconium, 0.003-0.005% of boron, 0.15-0.30% of tungsten, 0.5-1.2% of silicon and the balance of iron and inevitable impurities. The preparation method comprises the following steps: putting the raw materials into a smelting furnace; heating to a liquid state and stirring and mixing; introducing nitrogen from the bottom of the smelting furnace in a smelting state; and then cold-rolling.

Description

A kind of high cutting ability iron alloy preparation method
Technical field
The present invention relates to a kind of ferroalloy materials, particularly relate to one and there is corrosion resistant high cutting ability iron alloy preparation method.
Background technology
At present, the iron alloy kind in Application Areas, substantially based on the performance that iron alloy has, seldom has iron alloy to have good over-all properties.And good over-all properties is not only the demand of industrial circle, the Application Areas of ferroalloy materials also can be expanded.
Summary of the invention
Technical problem to be solved by this invention improves 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 cutting ability iron alloy preparation method, its step comprises:
1), by following weight percent composition preparation raw material, the carbon of 1-1.4%, the manganese of 6-7%, the copper of 4-5%, the titanium of 1.5-2.5%, the tellurium of 0.01-0.03%, the bismuth of 0.01-0.03%, the molybdenum of 0.03-0.05%, the zirconium of 0.01-0.03%, the boron of 0.003-0.005%, the tungsten of 0.15-0.30%, the silicon of 0.5-1.2%, 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 be uniformly mixed, bottom smelting furnace, the nitrogen 15-20 minute of 0.5-2.0MPa is passed under melting state, iron alloy liquid first constant temperature breeds 20-30 minute, then cooling 200-300 degree, be warming up to again and breed temperature, be incubated after 30-60 minute and cast, then cold rolling.
Wherein the weight ratio of manganese and titanium is 3: 1-5: 1.
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 and does not weather in the acidic solution of PH4-5.
3), there is not corrosion and oxidative phenomena in iron alloy of the present invention in wet environment.
4) the present invention is by fusion process, even identical composition, adopts constant temperature to breed and 200-300 degree of lowering the temperature, can suppress the speed of growth of some crystal in organizer in iron alloy, make to organize the arrangement of interior crystal evenly.
Embodiment
Technical scheme of the present invention is described in detail below by way of specific embodiment.
A kind of high cutting ability iron alloy, forms by following weight percent, the carbon of 1-1.4%, the manganese of 6-7%, the copper of 4-5%, the titanium of 1.5-2.5%, the tellurium of 0.01-0.03%, the bismuth of 0.01-0.03%, the molybdenum of 0.03-0.05%, the zirconium of 0.01-0.03%, the boron of 0.003-0.005%, the tungsten of 0.15-0.30%, the silicon of 0.5-1.2%, all the other are iron and inevitable impurity.Wherein the weight ratio of manganese and titanium is 3: 1-5: 1.
Embodiment 1
A kind of high cutting ability iron alloy preparation method, its step comprises:
1), by following weight percent composition preparation raw material, the carbon of 1%, the manganese of 6%, the copper of 4%, the titanium of 1.5%, the tellurium of 0.01%, the bismuth of 0.01%, the molybdenum of 0.03%, the zirconium of 0.01%, the boron of 0.003%, the tungsten of 0.15%, the silicon of 0.5%, 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 be uniformly mixed, bottom smelting furnace, the nitrogen 15-20 minute of 0.5-2.0MPa is passed under melting state, iron alloy liquid first constant temperature breeds 20-30 minute, then cooling 200-300 degree, be warming up to again and breed temperature, be incubated after 30-60 minute and cast, then cold rolling.
Tested by product, obtaining product strength is 0.215MPa, puts into the acidic solution 1 hour that pH value is 4.5, observes surface-brightening by sight; Do SaltSprayTest 60 hours, surface is corrosion-free.
Embodiment 2
A kind of high cutting ability iron alloy preparation method, its step comprises:
1), by following weight percent composition preparation raw material, the carbon of 1.4%, the manganese of 7%, the copper of 5%, the titanium of 2.5%, the tellurium of 0.03%, the bismuth of 0.03%, the molybdenum of 0.05%, the zirconium of 0.03%, the boron of 0.005%, the tungsten of 0.30%, the silicon of 1.2%, 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 be uniformly mixed, bottom smelting furnace, the nitrogen 15-20 minute of 0.5-2.0MPa is passed under melting state, iron alloy liquid first constant temperature breeds 20-30 minute, then cooling 200-300 degree, be warming up to again and breed temperature, be incubated after 30-60 minute and cast, then cold rolling.
Tested by product, obtaining product strength is 0.21MPa, puts into the acidic solution 1 hour that pH value is 4.5, observes surface-brightening by sight; Do SaltSprayTest 60 hours, surface is corrosion-free.
Embodiment 3
A kind of high cutting ability iron alloy preparation method, its step comprises:
1), by following weight percent composition preparation raw material, the carbon of 1.2%, the manganese of 6.5%, the copper of 4.5%, the titanium of 2.2%, the tellurium of 0.015%, the bismuth of 0.02%, the molybdenum of 0.04%, the zirconium of 0.015%, the boron of 0.0035%, the tungsten of 0.25%, the silicon of 0.8%, 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 be uniformly mixed, bottom smelting furnace, the nitrogen 15-20 minute of 0.5-2.0MPa is passed under melting state, iron alloy liquid first constant temperature breeds 20-30 minute, then cooling 200-300 degree, be warming up to again and breed temperature, be incubated after 30-60 minute and cast, then cold rolling.
Tested by product, obtaining product strength is 0.23MPa, puts into the acidic solution 1 hour that pH value is 4.5, observes surface-brightening by sight; Do SaltSprayTest 60 hours, surface is corrosion-free.

Claims (2)

1. a high cutting ability iron alloy preparation method, is characterized in that: its step comprises:
1), by following weight percent composition preparation raw material, the carbon of 1-1.4%, the manganese of 6-7%, the copper of 4-5%, the titanium of 1.5-2.5%, the tellurium of 0.01-0.03%, the bismuth of 0.01-0.03%, the molybdenum of 0.03-0.05%, the zirconium of 0.01-0.03%, the boron of 0.003-0.005%, the tungsten of 0.15-0.30%, the silicon of 0.5-1.2%, 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 be uniformly mixed, bottom smelting furnace, the nitrogen 15-20 minute of 0.5-2.0MPa is passed under melting state, iron alloy liquid first constant temperature breeds 20-30 minute, then cooling 200-300 degree, be warming up to again and breed temperature, be incubated after 30-60 minute and cast, then cold rolling.
2. high cutting ability iron alloy preparation method according to claim 1, is characterized in that: wherein the weight ratio of manganese and titanium is 3: 1-5: 1.
CN201410562861.9A 2014-10-20 2014-10-20 Preparation method for high cutting performance ferroalloy Pending CN104294189A (en)

Priority Applications (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104313505A (en) * 2014-10-20 2015-01-28 张桂芬 Iron alloy with high cutting property and preparation method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102876975A (en) * 2012-09-21 2013-01-16 史昊东 Method for preparing iron alloy material
CN102912233A (en) * 2012-09-21 2013-02-06 虞伟财 Preparation method of high corrosion resistance iron alloy
CN104313505A (en) * 2014-10-20 2015-01-28 张桂芬 Iron alloy with high cutting property and preparation method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102876975A (en) * 2012-09-21 2013-01-16 史昊东 Method for preparing iron alloy material
CN102912233A (en) * 2012-09-21 2013-02-06 虞伟财 Preparation method of high corrosion resistance iron alloy
CN104313505A (en) * 2014-10-20 2015-01-28 张桂芬 Iron alloy with high cutting property and preparation method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104313505A (en) * 2014-10-20 2015-01-28 张桂芬 Iron alloy with high cutting property and preparation method thereof

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