CN100370212C - Cu-Sn-Cr-P alloy for ultra-thin water tank belt of automobile - Google Patents
Cu-Sn-Cr-P alloy for ultra-thin water tank belt of automobile Download PDFInfo
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- CN100370212C CN100370212C CNB2006100464459A CN200610046445A CN100370212C CN 100370212 C CN100370212 C CN 100370212C CN B2006100464459 A CNB2006100464459 A CN B2006100464459A CN 200610046445 A CN200610046445 A CN 200610046445A CN 100370212 C CN100370212 C CN 100370212C
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Abstract
The present invention relates to a Cu-Sn-Cr-P alloy for an ultrathin water tank belt of a vehicle. The alloy is composed of the following chemical compositions by weight percent of 0.08 to 0.40% of Sn, 0.01 to 0.04% of Cr, 0.005 to 0.009% of P and 99.6 to 99.905% of Cu; impurities contained in the alloy conforms to the requirement of T2. The present invention can solve the problem that the comprehensive performance indexes of the electric conduction ratio, the tensile strength, the mollification resistance temperature, etc. of the Cu-Ni-Sn, Cu-Te, Cu-Sn-Zr, Cu-Ti-Sb series of strengthening red copper alloy for preparing water tank copper belts of vehicles at present can not reach the operation requirements. The tensile strength of the Cu-Sn-Cr-P alloy of the present invention reaches 410MPa, the mollification resistance temperature reaches 400 DEG C, the electric conduction ratio reaches 89%IACS, and the Vickers hardness reaches HV: 131; the present invention can completely satisfy the operation requirement of a ribbon-tubular radiator.
Description
One, technical field: the present invention relates to a kind of alloy material that is used to make the radiator band, especially a kind of alloy material for preparing ultra-thin radiator band.
Two, background technology: the ultra-thin water tank copper strips is a kind of important radiator material of auto industry demand, the critical technical indicator of its requirement be conductance greater than 80%IACS, tensile strength greater than 370MPa, anti-softening temperature greater than 380 ℃, particularly in recent years, along with popularization, the application of pipe rock radiator, the demand of water tank belt develops to ultra-thin direction.Home products thickness is 0.045mm at present, and the world has reached 0.025mm.Conventional red copper product can not satisfy these functions of use, must use and strengthen the red copper alloy, promptly adding some trace elements in red copper strengthens, but the element that adds must be when both improving product mechanical performance, anti-softening temperature and guaranteeing good braze ability, can not make thermal conductivity, the electric conductivity of material cause decline significantly again, must guarantee its combination property.
The alloy material that is used for ultra-thin water tank belt generally uses strengthens the red copper alloy, it is alloy that the U.S., Japan generally use Cu-Ni-Sn, Cu-Te, Cu-Sn-Zr, Cu-Te-P, Cu-Ti-Sb etc., domestic Cu-Sn-Zr, the Cu-Te-P of generally using is alloy, and these alloys can not finely satisfy all that pipe rock radiator required high-strength, height are led, the requirement of high anti-softening temperature.
Three, summary of the invention:
1, goal of the invention: the invention provides a kind of Cu-Sn-Cr-P alloy for ultra-thin water tank belt of automobile, its objective is that solving preparation automobile ultra-thin water tank copper strips employing now strengthens the red copper alloy, or alloys such as Cu-Ni-Sn, Cu-Te, Cu-Sn-Zr, Cu-Ti-Sb system, integrated performance indexs such as its conductance, tensile strength, anti-softening temperature do not reach the problem of instructions for use.
2, technical scheme: the present invention is achieved through the following technical solutions:
1, a kind of Cu-Sn-Cr-P alloy for ultra-thin water tank belt of automobile is characterized in that: this alloy is made of by weight percentage following chemical composition: Sn 0.08～0.40%
Cr 0.01～0.04％
P 0.005～0.009％
Cu 99.6～99.905％
The impurity that contains in the alloy meets the T2 requirement.
3, advantage and effect: by the enforcement of technical solution of the present invention, can solve present preparation automobile ultra-thin water tank copper strips well and adopt reinforcement red copper alloy, or alloys such as Cu-Ni-Sn, Cu-Te, Cu-Sn-Zr, Cu-Ti-Sb system, its conductance, tensile strength, anti-softening temperature do not reach requirement, and Cu-Te-P is the problem that aspects such as cost of alloy height, poor practicability exist.Cu-Sn-Cr-P alloy of the present invention, its tensile strength reaches 410Mpa, and anti-softening temperature reaches 400 ℃, conductance 89%IACS, vickers hardness hv: 131, satisfy the instructions for use of pipe rock radiator fully; High-strength, the height that has not only solved the pipe rock radiator requirement effectively led, high anti-softening requirement, and in batch production process, cost of material is lower, and alloy plasticity is good, being very suitable for cold and hot pressure processing, is a kind of alloy that the manufacturing ultra-thin water tank carrying material of promotional value is arranged; Owing to add the Sn of trace in the alloy, have certain corrosion resistance, applicable to traveling automobile under the varying environment condition, prolong the service life of radiator greatly.
Four, description of drawings: accompanying drawing 1 is Cu-Sn-Cr-P alloy preparation technology flow chart of the present invention;
Accompanying drawing 2 is Cu-Sn-Cr-P alloy annealing temperature of the present invention and property relationship curve;
Accompanying drawing 3 is the softening curve of Cu-Sn-Cr-P of the present invention;
Accompanying drawing 4 is the relation curve of Cu-Sn-Cr-P working modulus of the present invention and mechanical performance.
Five, the specific embodiment:
The present invention prepares the Cu-Sn-Cr-P alloy of ultra-thin radiator band, and this alloy is made of by weight percentage following chemical composition: the impurity that contains in Sn 0.08～0.40%, Cr 0.01～0.04%, P 0.005～0.009%, Cu99.6～99.905%, the alloy meets the T2 requirement.The alloy that makes had both solved effectively that high-strength, the height that pipe rock radiator requires led, high anti-softening requirement, and in batch production process, cost of material is lower, and easy operating is a kind of alloy that the manufacturing ultra-thin water tank carrying material of promotional value is arranged.
Embodiment 1:
Cu-Sn-Cr-P alloy for ultra-thin water tank belt of automobile of the present invention, this alloy is made of by weight percentage following chemical composition: Sn 0.08%, Cr 0.01%, P 0.005%, Cu 99.905%, the impurity that contains in the alloy meets the T2 requirement.Each chemical composition is made into alloy with the technology of traditional preparation process alloy, promptly can be used for preparing the ultra-thin water tank belt that automobile is used, as shown in Figure 1, its concrete preparation technology is as follows: be prepared into alloy by above-mentioned chemical analysis weight ratio, be cast as the ingot casting of 140 * 440 * L through semi-continuous casting method, 830 ℃ of heating of step-by-step movement gas-fired heater, hot rolling cogging is to 13.5mm, the face that mills is to 12.5mm, be cold-rolled to 1.5mm, slitting is cut edge, 480 ℃ of annealing of bell jar stove, finish rolling 0.13mm, 420 ℃ carry out processing steps such as bright annealing after, it is rolling to carry out finished product, its rolling ultra-thin band back for 0.03mm is sheared promptly can be made into the automobile ultra-thin water tank belt.
Embodiment 2:
Cu-Sn-Cr-P alloy for ultra-thin water tank belt of automobile of the present invention, this alloy is made of by weight percentage following chemical composition: Sn 0.351%, Cr 0.04%, P 0.009%, Cu 99.6%, the impurity that contains in the alloy meets the T2 requirement.Make alloy by above-mentioned chemical analysis weight ratio, promptly can be used for preparing the ultra-thin water tank belt that automobile is used, concrete preparation method is with embodiment 1.
Embodiment 3:
Cu-Sn-Cr-P alloy for ultra-thin water tank belt of automobile of the present invention, this alloy is made of by weight percentage following chemical composition: Sn 0.24%, Cr 0.02%, P 0.007%, Cu 99.733%, the impurity that contains in the alloy meets the T2 requirement.Make alloy by above-mentioned chemical analysis weight ratio, promptly can be used for preparing the ultra-thin water tank belt that automobile is used, concrete preparation method is with embodiment 1.
The test of every indexs such as the conductance of the alloy that the present invention is made, tensile strength, anti-softening temperature all reaches the requirement of preparation automobile with ultra-thin water tank belt, and its test data is seen accompanying drawing 2,3,4.
Claims (1)
1. Cu-Sn-Cr-P alloy for ultra-thin water tank belt of automobile, it is characterized in that: this alloy is made of by weight percentage following chemical composition: Sn 0.08～0.351%
Cr?0.01～0.04％
P?0.005～0.009％
Cu 99.6～99.905％
The impurity that copper contains in the alloy meets the T2 requirement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100464459A CN100370212C (en) | 2006-04-28 | 2006-04-28 | Cu-Sn-Cr-P alloy for ultra-thin water tank belt of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100464459A CN100370212C (en) | 2006-04-28 | 2006-04-28 | Cu-Sn-Cr-P alloy for ultra-thin water tank belt of automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1844837A CN1844837A (en) | 2006-10-11 |
| CN100370212C true CN100370212C (en) | 2008-02-20 |
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| CNB2006100464459A Expired - Fee Related CN100370212C (en) | 2006-04-28 | 2006-04-28 | Cu-Sn-Cr-P alloy for ultra-thin water tank belt of automobile |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57188998A (en) * | 1981-05-18 | 1982-11-20 | Hitachi Cable Ltd | Fin member for radiator |
| JPH02173233A (en) * | 1988-12-27 | 1990-07-04 | Furukawa Electric Co Ltd:The | Coppery material excellent in thermal conductivity and corrosion resistance, heat-exchanger fin material, and their production |
| CN1205260A (en) * | 1998-04-01 | 1999-01-20 | 北京有色金属研究总院 | Low melting point and low steam pressure soldering alloyed metal powder for welding stainless steel vessel and its prodn. method |
| CN1458292A (en) * | 2002-05-14 | 2003-11-26 | 同和矿业株式会社 | Copper base alloy with improved punchin and impacting performance and its preparing method |
-
2006
- 2006-04-28 CN CNB2006100464459A patent/CN100370212C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57188998A (en) * | 1981-05-18 | 1982-11-20 | Hitachi Cable Ltd | Fin member for radiator |
| JPH02173233A (en) * | 1988-12-27 | 1990-07-04 | Furukawa Electric Co Ltd:The | Coppery material excellent in thermal conductivity and corrosion resistance, heat-exchanger fin material, and their production |
| CN1205260A (en) * | 1998-04-01 | 1999-01-20 | 北京有色金属研究总院 | Low melting point and low steam pressure soldering alloyed metal powder for welding stainless steel vessel and its prodn. method |
| CN1458292A (en) * | 2002-05-14 | 2003-11-26 | 同和矿业株式会社 | Copper base alloy with improved punchin and impacting performance and its preparing method |
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| CN1844837A (en) | 2006-10-11 |
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