CN102477500A - Copper/nickel/iron alloy - Google Patents
Copper/nickel/iron alloy Download PDFInfo
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- CN102477500A CN102477500A CN2010105587305A CN201010558730A CN102477500A CN 102477500 A CN102477500 A CN 102477500A CN 2010105587305 A CN2010105587305 A CN 2010105587305A CN 201010558730 A CN201010558730 A CN 201010558730A CN 102477500 A CN102477500 A CN 102477500A
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Abstract
The invention discloses a copper/nickel/iron alloy which is prepared by re-melting waste containing copper and nickel as secondary resources. The alloy contains the following ingredients in percentage by weight: 42% to 57% of copper, 18% to 28% of nickel, not more than 1.8% of unavoidable impurities and the balance of iron; and is made by quenching and casting processes. The alloy has the characteristics of having a low melting point, being capable of well diffusing in molten steel, having a low manufacturing cost and being convenient in stokehole alloying treatment. The alloy serves as an alloy additive for smelting heat-resisting steel, weather-resistant steel and other alloy steel.
Description
Technical field
The present invention relates to a kind of cunife, be specifically related to a kind of cunife that adopts the remelting of secondary resource cupric nickle contained discarded material to produce.Belong to alloy technology.
Background technology
Copper, nickel are the additives of smelting the stokehold alloy treatment of high temperature steel, anti-Hou Gang and other steel alloy.Traditional stokehold Alloying Treatment technology is with caked electrolytic copper of cutting and electrolytic nickel, adds in the molten steel through the gravity flow of high-order storehouse.The processing cost of this prior art is high, and the stokehold equipment is complicated, operates cumbersome; Especially because the fusing point of nickel is high, and the diffustivity in pending molten steel is poor, if stir when handling inhomogeneous; Will have a strong impact on the even solid solubility of nickel in steel alloy, and directly influence the quality of steel alloy.
More present patented technologies, though can both be to a certain extent, the customer service conventional art is used electrolytic copper, and electrolytic nickel is made the existing numerous technical deficiencies of whose Alloying Treatment of steel.But because it in order to be easy to fragmentation, and all contains 5～16% silicon, cause severe bad influence for the steel alloy quality eventually.
The insider knows, though silicon has the deoxidation effect that is superior to manganese and is lower than aluminium, its slagging viscosity is high, is difficult for being removed from the inner come-up of molten steel.And, done effective deoxidation, removal of impurities processing let alone before molten steel gets into the Alloying Treatment operation.That is to say, treat the molten steel of Alloying Treatment, generally all is purifying of steel, therefore needn't come deoxidation by recycle silicon.And except smelting siliceous steel grade, other steel grade does not hope to have element silicon to exist, and especially the car tole is all the more so.
Summary of the invention
The present invention aims to provide a kind of not siliceous cunife, to overcome many deficiencies of prior art.
Technical scheme of the present invention is:
A kind of cunife contains copper, nickel, iron, and unavoidable impurities, and its innovative point is that the weight percentage of each component is:
Copper: 42～57%
Nickel: 18～28%
Unavoidable impurities total amount :≤1.8%
Iron: surplus
Here should be noted that given cunife, existing not breakable problem in the time of can casting through said alloy, is taked measures such as chilling, effectively solves.
The weight percentage of the preferred each component of the present invention is:
Copper: 49～58%
Nickel: 19～22%
Unavoidable impurities total amount :≤1.1%
Iron: surplus.
There are impurity such as carbon, phosphorus, sulphur in the present invention inevitably in its preparation process.And said total impurities is passed through to handle, and strict its weight percentage of control is≤1.8%
The present invention attaches great importance to the low levels of detrimental impurity phosphorus, sulphur and handles, and advocates weight percentage≤0.06% of its sulphur, the weight percentage of phosphorus≤0.10%.
After technique scheme was able to implement, the present invention had that fusing point is low, and diffusion is good in molten steel, produce cost low with characteristics such as the stokehold Alloying Treatment is easy and simple to handle, be conspicuous.With compared with techniques, have outstanding substantive distinguishing features and marked improvement.
Embodiment
With 0.5t middle frequency furnace and every batch of total charging capacity is that 500kg is an example.
1, the elder generation that produces of the present invention is subsequent use by following weight batching:
Nickeliferous useless nickel material (like nickel screen) 138kg more than 96%;
Useless red copper material (like the copper scrap line) 325kg of cupric more than 95.8%;
Steel scrap (soft steel) 54kg;
2, reparation technology process of the present invention is carried out as follows:
(1) adds steel scrap intensification fusing;
(2) add useless nickel and it is melted as early as possible;
(3) add useless red copper material in batches, treat that it all stirs slagging-off in the fusing back;
(4) ingot bar of coming out of the stove.Particle diameter is 7～100mm.
By above-mentioned batching and the ambrose alloy iron alloy produced via above-mentioned technological process, be through its each component weight percentage of chemical examination:
Nickel: 24.1%
Copper: 58.9%
The total amount of carbon phosphorus sulphur unavoidable impurities is 0.19%;
Iron: surplus.
Through the adjustment batching, can obtain the present invention of copper and mickel different Cu, nickel content in its said weight percentage scope.
The present invention does not get rid of employing electrolytic copper, electrolytic nickel and steel scrap remelting and prepares cunife.
Test Example: its first sample is tried out through steel mill and is shown, adopts the artificial directly addition method of ladle, convenience simple to operation; The yield of copper and mickel is all more than 99%.
Claims (3)
1. a cunife contains copper, nickel, iron, and unavoidable impurities, it is characterized in that, the weight percentage of each composition is:
Copper: 42～57%
Nickel: 18～28%
Unavoidable impurities total amount :≤1.8%
Iron: surplus.
2. cunife according to claim 1 is characterized in that, the weight percentage of each composition is:
Copper: 49～58%
Nickel: 19～22%
Unavoidable impurities total amount :≤1.1%
Iron: surplus.
3. cunife according to claim 2 is characterized in that, sulfur impurity≤0.06%, phosphorus≤0.10%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105587305A CN102477500A (en) | 2010-11-24 | 2010-11-24 | Copper/nickel/iron alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105587305A CN102477500A (en) | 2010-11-24 | 2010-11-24 | Copper/nickel/iron alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102477500A true CN102477500A (en) | 2012-05-30 |
Family
ID=46090282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105587305A Pending CN102477500A (en) | 2010-11-24 | 2010-11-24 | Copper/nickel/iron alloy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102477500A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103710483A (en) * | 2014-01-06 | 2014-04-09 | 鞍钢股份有限公司 | Steelmaking method using copper-nickel alloy |
| CN105401084A (en) * | 2015-12-19 | 2016-03-16 | 丹阳市宸兴环保设备有限公司 | Copper-nickel alloy steel |
-
2010
- 2010-11-24 CN CN2010105587305A patent/CN102477500A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103710483A (en) * | 2014-01-06 | 2014-04-09 | 鞍钢股份有限公司 | Steelmaking method using copper-nickel alloy |
| CN105401084A (en) * | 2015-12-19 | 2016-03-16 | 丹阳市宸兴环保设备有限公司 | Copper-nickel alloy steel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| DD01 | Delivery of document by public notice |
Addressee: Li Weizhong Document name: Notification of Passing Preliminary Examination of the Application for Invention |
|
| C06 | Publication | ||
| PB01 | Publication | ||
| DD01 | Delivery of document by public notice |
Addressee: Li Weizhong Document name: Notification of Publication of the Application for Invention |
|
| DD01 | Delivery of document by public notice |
Addressee: Li Weizhong Document name: Notification of before Expiration of Request of Examination as to Substance |
|
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Li Weizhong Document name: Notification that Application Deemed to be Withdrawn |
|
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120530 |