CN102994850A - Low-carbon chromium metal - Google Patents
Low-carbon chromium metal Download PDFInfo
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- CN102994850A CN102994850A CN2012104195052A CN201210419505A CN102994850A CN 102994850 A CN102994850 A CN 102994850A CN 2012104195052 A CN2012104195052 A CN 2012104195052A CN 201210419505 A CN201210419505 A CN 201210419505A CN 102994850 A CN102994850 A CN 102994850A
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Abstract
The invention relates to a low-carbon chromium metal. The low-carbon chromium metal is characterized by comprising the following ingredients in percentage by weight: 96 to 99 percent of chromium, 0.01 to 0.05 percent of carbon, 0.1 to 0.2 percent of silicon, 0.3 to 0.4 percent of iron, 0.08 to 0.12 percent of aluminum, 0.012 to 0.018 percent of sulfur and 0.02 to 0.03 percent of phosphorus. The low-carbon chromium metal has the advantages of low carbon content, high chromium content, high economic value, high use value and high economic efficiency.
Description
Technical field
The present invention relates to a kind of low-carbon (LC) chromium metal.
Background technology
The low-carbon (LC) chromium metal is the important source material of smelting special steel and Ultra-low carbon structural alloy steel, and its carbon content is lower and chromium content is higher, and its economic worth and use value are just higher, in the technique of smelting low carbon chromium metal, preparation section is long at present, and power consumption is high, the chromium loss is large, time-consuming, bothersome, take material, when chromium extracted, extraction efficiency was not high, can not satisfy the demand of enterprise, therefore, for addressing the above problem, the spy provides a kind of new technical scheme to satisfy the demand of enterprise.
Summary of the invention
The purpose of this invention is to provide a kind of low-carbon (LC) chromium metal.
The technical solution used in the present invention is:
The low-carbon (LC) chromium metal, this low-carbon (LC) chromium metal composition is by weight percentage:
Chromium 96-99%;
Carbon 0.04-0.06%;
Silicon 0.1-0.2%;
Iron 0.3-0.4%;
Aluminium 0.08-0.12%;
Sulphur 0.012-0.018%;
Phosphorus 0.02-0.03%.
Chromium in the described low-carbon (LC) chromium metal composition was the chromium powder of 40-60 mesh sieve.
Carbon in the described low-carbon (LC) chromium metal composition was the carbon dust of 50-70 mesh sieve.
Silicon in the described low-carbon (LC) chromium metal composition was the silica flour of 140-160 mesh sieve.
Iron in the described low-carbon (LC) chromium metal composition was the iron powder of 180-220 mesh sieve.
Aluminium in the described low-carbon (LC) chromium metal composition was the aluminium powder of 250-300 mesh sieve.
Sulphur in the described low-carbon (LC) chromium metal composition was the sulphur powder of 250-300 mesh sieve.
Phosphorus in the described low-carbon (LC) chromium metal composition was the phosphorus powder of 300-320 mesh sieve.
Advantage of the present invention is: the carbonaceous component in the low-carbon (LC) chromium metal is low, and the composition of chromium is high, and economic worth and use value are high, have improved economical efficiency, satisfy the demand of all trades and professions.
Embodiment
Embodiment 1
The low-carbon (LC) chromium metal, this low-carbon (LC) chromium metal composition is by weight percentage:
Chromium 96%;
Carbon 0.06%;
Silicon 0.2%;
Iron 0.4%;
Aluminium 0.12%;
Sulphur 0.018%;
Phosphorus 0.03%.
Chromium in the low-carbon (LC) chromium metal composition was the chromium powder of 40 mesh sieves, carbon in the low-carbon (LC) chromium metal composition was the carbon dust of 50 mesh sieves, silicon in the low-carbon (LC) chromium metal composition was the silica flour of 140 mesh sieves, iron in the low-carbon (LC) chromium metal composition was the iron powder of 180 mesh sieves, aluminium in the low-carbon (LC) chromium metal composition was the aluminium powder of 250 mesh sieves, sulphur in the low-carbon (LC) chromium metal composition was the sulphur powder of 250 mesh sieves, and the phosphorus in the low-carbon (LC) chromium metal composition was the phosphorus powder of 300 mesh sieves.
Embodiment 2
The low-carbon (LC) chromium metal, this low-carbon (LC) chromium metal composition is by weight percentage:
Chromium 98.5%;
Carbon 0.05%;
Silicon 0.15%;
Iron 0.35%;
Aluminium 0.1%;
Sulphur 0.015%;
Phosphorus 0.025%.
Chromium in the low-carbon (LC) chromium metal composition was the chromium powder of 50 mesh sieves, carbon in the low-carbon (LC) chromium metal composition was the carbon dust of 60 mesh sieves, silicon in the low-carbon (LC) chromium metal composition was the silica flour of 150 mesh sieves, iron in the low-carbon (LC) chromium metal composition was the iron powder of 200 mesh sieves, aluminium in the low-carbon (LC) chromium metal composition was the aluminium powder of 270 mesh sieves, sulphur in the low-carbon (LC) chromium metal composition was the sulphur powder of 270 mesh sieves, and the phosphorus in the low-carbon (LC) chromium metal composition was the phosphorus powder of 310 mesh sieves.
Embodiment 3
The low-carbon (LC) chromium metal, this low-carbon (LC) chromium metal composition is by weight percentage:
Chromium 99%;
Carbon 0.04%;
Silicon 0.1%;
Iron 0.3%;
Aluminium 0.08%;
Sulphur 0.012%;
Phosphorus 0.02%.
Chromium in the low-carbon (LC) chromium metal composition was the chromium powder of 60 mesh sieves, carbon in the low-carbon (LC) chromium metal composition was the carbon dust of 70 mesh sieves, silicon in the low-carbon (LC) chromium metal composition was the silica flour of 160 mesh sieves, iron in the low-carbon (LC) chromium metal composition was the iron powder of 220 mesh sieves, aluminium in the low-carbon (LC) chromium metal composition was the aluminium powder of 300 mesh sieves, sulphur in the low-carbon (LC) chromium metal composition was the sulphur powder of 300 mesh sieves, and the phosphorus in the low-carbon (LC) chromium metal composition was the phosphorus powder of 320 mesh sieves.
Claims (8)
1. low-carbon (LC) chromium metal, it is characterized in that: this low-carbon (LC) chromium metal composition is by weight percentage:
Chromium 96-99%;
Carbon 0.04-0.06%;
Silicon 0.1-0.2%;
Iron 0.3-0.4%;
Aluminium 0.08-0.12%;
Sulphur 0.012-0.018%;
Phosphorus 0.02-0.03%.
2. low-carbon (LC) chromium metal according to claim 1, it is characterized in that: the chromium in the described low-carbon (LC) chromium metal composition was the chromium powder of 40-60 mesh sieve.
3. low-carbon (LC) chromium metal according to claim 1, it is characterized in that: the carbon in the described low-carbon (LC) chromium metal composition was the carbon dust of 50-70 mesh sieve.
4. low-carbon (LC) chromium metal according to claim 1, it is characterized in that: the silicon in the described low-carbon (LC) chromium metal composition was the silica flour of 140-160 mesh sieve.
5. low-carbon (LC) chromium metal according to claim 1, it is characterized in that: the iron in the described low-carbon (LC) chromium metal composition was the iron powder of 180-220 mesh sieve.
6. low-carbon (LC) chromium metal according to claim 1, it is characterized in that: the aluminium in the described low-carbon (LC) chromium metal composition was the aluminium powder of 250-300 mesh sieve.
7. low-carbon (LC) chromium metal according to claim 1, it is characterized in that: the sulphur in the described low-carbon (LC) chromium metal composition was the sulphur powder of 250-300 mesh sieve.
8. low-carbon (LC) chromium metal according to claim 1, it is characterized in that: the phosphorus in the described low-carbon (LC) chromium metal composition was the phosphorus powder of 300-320 mesh sieve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104195052A CN102994850A (en) | 2012-10-29 | 2012-10-29 | Low-carbon chromium metal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104195052A CN102994850A (en) | 2012-10-29 | 2012-10-29 | Low-carbon chromium metal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102994850A true CN102994850A (en) | 2013-03-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104195052A Pending CN102994850A (en) | 2012-10-29 | 2012-10-29 | Low-carbon chromium metal |
Country Status (1)
| Country | Link |
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| CN (1) | CN102994850A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1390969A (en) * | 2002-06-13 | 2003-01-15 | 马华政 | Refractory Cr-base alloy |
| WO2008142704A1 (en) * | 2007-05-24 | 2008-11-27 | Tata Steel Limited | Process for the production of chromium metal nuggets from chromite ores/concentrates. |
-
2012
- 2012-10-29 CN CN2012104195052A patent/CN102994850A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1390969A (en) * | 2002-06-13 | 2003-01-15 | 马华政 | Refractory Cr-base alloy |
| WO2008142704A1 (en) * | 2007-05-24 | 2008-11-27 | Tata Steel Limited | Process for the production of chromium metal nuggets from chromite ores/concentrates. |
Non-Patent Citations (2)
| Title |
|---|
| （前苏）М.И.加西克等著；张烽等译: "《铁合金生产的理论和工艺》", 31 December 1994 * |
| 冶金工业信息标准研究院等: "《生铁 铁合金及其他钢铁产品标准汇编 第3版》", 31 December 2007, 北京市：中国标准出版社 * |
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Application publication date: 20130327 |