Overview of copper alloy wire
About Lion Copper Alloy Wire
Properties and uses of copper alloy wire
Ingredients
Copper alloy wire is a copper alloy product, usually composed of copper and other alloy elements. Common copper alloys include brass, tin bronze, aluminum bronze, etc. These copper alloys are high-strength alloy materials with good electrical conductivity and corrosion resistance.
Performance
Copper alloy wire has good strength, conductivity and corrosion resistance, and can meet the different levels of conductivity requirements of different electrical appliance industries. By adding alloying elements, the hardness and strength of copper alloys can be improved, and their wear resistance and corrosion resistance can be improved.
Application fields
Copper alloy wire is widely used in the manufacturing of conductive parts, springs, valves, gears and other components in the electrical industry, refrigeration equipment, ships, automobiles and other fields. In addition, copper alloy wire is also suitable for use in high temperature and high pressure applications, such as slag valve components in the petrochemical industry.
Advantages and Disadvantages
Compared with pure copper wire, copper alloy wire has higher strength and hardness, and better wear resistance and corrosion resistance. However, compared with pure copper wire, the electrical conductivity of copper alloy wire will be slightly reduced, and the price is also higher. Therefore, the choice of copper alloy versus pure copper requires trade-offs based on specific requirements.
To sum up, copper alloy wire is an alloy wire widely used in the electrical industry and other fields. It has good electrical conductivity and corrosion resistance. Adding alloying elements can improve its properties and hardness, but can also affect its conductivity and price. In practical applications, appropriate materials need to be selected based on specific requirements.
1、Brass wire rod for the cutting of high precision new materials
| Grade | State | Mechanical Property | Chemical Composition（%） | ||||||||||||||
| GB | JIS | GB | JIS | Specification（mm） | Allowable deviation（mm） | Tensile Strength（N/mm²） | Elongation(%) | Cu | Fe | Pb | Al | Mn | Sn | Ni | P | Zn | Impurity Volume |
| Not more than | |||||||||||||||||
| H60 | — | M | O | 1.2 | ±0.02 | ≥330 | ≥18 | 58.0~60.0 | 0.15 | 0.08 | — | — | — | 0.5 | — | Residual | 0.5 |
| H62 | C2800 | M | O | 1.2 | ±0.02 | ≥325 | ≥18 | 60.5~63.5 | 0.15 | 0.08 | — | — | — | 0.5 | — | Residual | 0.5 |
| H63 | C2720 | M | O | 1.2 | ±0.02 | ≥325 | ≥18 | 62.0~65.0 | 0.15 | 0.08 | — | — | — | 0.5 | — | Residual | 0.5 |
| H65 | C2680 | M | O | 1.2 | ±0.02 | ≥315 | ≥18 | 63.5~68.0 | 0.1 | 0.03 | — | — | — | 0.5 | — | Residual | 0.5 |
Application field: brass wire rod for copper alloy high precision new materials processing, mainly used for slow-wire-cut mould cutting.
2、 Electric connector
| Grade | State | Mechanical Property | Chemical Composition（%） | |||||||||||||
| GB | JIS | GB | JIS | Specification（mm） | Tensile Strength（N/mm²） | Elongation(%) | Cu | Fe | Pb | Al | Mn | Sn | Ni | P | Zn | Impurity Volume |
| Not more than | ||||||||||||||||
| H62 | C2800 | Y4 | 1/4H | 0.5~2.4x 4.5~11.0 | ≥305 | ≥15 | 60.5~63.5 | 0.15 | 0.08 | — | — | — | 0.5 | — | Residual | 0.5 |
| H63 | C2720 | Y4 | 1/4H | 0.5~2.5x 4.5~11.0 | ≥305 | ≥15 | 62.0~65.0 | 0.15 | 0.08 | — | — | — | 0.5 | — | Residual | 0.5 |
| H65 | C2680 | Y2 | 1/2H | 0.7~2.0x 5.0~10.0 | ≥275 | ≥16 | 63.5~68.0 | 0.1 | 0.03 | — | — | — | 0.5 | — | Residual | 0.3 |
| H68 | C2620 | Y2 | 1/2H | 1.0~2.0x 6.0~8.0 | ≥275 | ≥16 | 67.0~70.0 | 0.1 | 0.03 | — | — | — | 0.5 | — | Residual | 0.3 |
| H80 | C2400 | Y2 | 1/2H | 1.5~2.0x 4.5~7.0 | ≥275 | ≥16 | 79.0~81.0 | 0.1 | 0.03 | — | — | — | 0.5 | — | Residual | 0.3 |
Note: We can provide customized products according to customers’ needs. Allowable deviation in product size: thickness ±0.02mm, width ±0.03mm.
Application Field: plug and connector for electric appliances
3、High precision copper alloy Y-shaped zipper wire
| Grade | State | Mechanical Property | Chemical Composition（%） | |||||||||||||
| GB | JIS | GB | JIS | Specification（mm） | Vickers Hardness（N/mm²） | Elongation(%) | Cu | Fe | Pb | Al | Mn | Sn | Ni | P | Zn | Impurity Volume |
| Not more than | ||||||||||||||||
| H65 | C2680 | Y | H | 3#、4#、5# | ≥160 | ≥1 | 63.5~68.0 | 0.1 | 0.03 | — | — | — | 0.5 | — | Residual | 0.3 |
| H85 | C2300 | Y | H | 3#、4#、5# | ≥130 | ≥1 | 84.0~86.0 | 0.1 | 0.03 | — | — | — | 0.5 | — | Residual | 0.3 |
Note: Meet environment standards and EU ROSH standard. Allowable deviation in product size: ±0.03mm. Packaging: Spool
Application Field: Zipper products for clothing and bags.
4、Flat zipper wire
| Grade | State | Mechanical Property | Chemical Composition（%） | |||||||||||||
| GB | JIS | GB | JIS | Specification（mm） | Tensile Strength（N/mm²） | Elongation(%) | Cu | Fe | Pb | Al | Mn | Sn | Ni | P | Zn | Impurity Volume |
| Not more than | ||||||||||||||||
| H63 | C2720 | Y2 | 1/2H | 3#、4#、5#、7#、8#、10# | ≥350 | ≥6 | 62.0~65.0 | 0.15 | 0.08 | — | — | — | 0.5 | — | Residual | 0.5 |
| H65 | C2680 | Y2 | 1/2H | 3#、4#、5#、7#、8#、10# | ≥380 | ≥7 | 63.5~68.0 | 0.1 | 0.03 | — | — | — | 0.5 | — | Residual | 0.3 |
Note: We can provide customized products according to customers’ needs.
Meet environment standards and EU ROSH standard. Allowable deviation in product size: thickness ±0.02mm, width ±0.03mm. Packaging weight: 40Kg.
Application Field: Zipper products for clothing and bags.
5、Copper alloy flat wire
| Grade | State | Mechanical Property | Chemical Composition（%） | |||||||||||||
| GB | JIS | GB | JIS | Specification（mm） | Tensile Strength（N/mm²） | Elongation(%) | Cu | Fe | Pb | Al | Mn | Sn | Ni | P | Zn | Impurity Volume |
| Not more than | ||||||||||||||||
| H65 | C2680 | Y2 | 1/2H | 0.7~1.3x 5.9~12.0 | ≥300 | ≥10 | 63.5~68.0 | 0.1 | 0.03 | — | — | — | 0.5 | — | Residual | 0.3 |
| H85 | C2300 | Y2 | 1/2H | 0.8~1.2x 6.0~12.0 | ≥280 | ≥12 | 84.0~86.0 | 0.1 | 0.03 | — | — | — | 0.5 | — | Residual | 0.3 |
Note: We can provide customized products according to customers’ needs.
Meet environment standards and EU ROSH standard. Allowable deviation in product size: thickness ±0.02mm, width ±0.03mm. Packaging weight: 40Kg.
Application Field: Zipper heads for zippers used in clothing and bags.
6、Copper alloy wire for spring products
| Grade | State | Mechanical Property | Chemical Composition(%) | |||||||||||||
| GB | JIS | GB | JIS | Specification(mm) | Tensile Strength(N/mm²) | Elongation(%) | Cu | Fe | Pb | Al | Mn | Sn | Ni | P | Zn | Impurity Volume |
| Not more than | ||||||||||||||||
| H62 | C2800 | T | SH | 0.45~1.4 | ≥800 | ≥4 | 60.5~63.5 | 0.15 | 0.08 | — | — | — | 0.5 | — | Residual | 0.5 |
| H63 | C2720 | T | SH | 0.5~2.0 | ≥750 | ≥4 | 62.0~65.0 | 0.15 | 0.08 | — | — | — | 0.5 | — | Residual | 0.5 |
| H65 | C2680 | T | SH | 0.6~1.4 | ≥800 | ≥4 | 63.5~68.0 | 0.1 | 0.03 | — | — | — | 0.5 | — | Residual | 0.3 |
| QSn6.5-0.1 | T51510 | T | SH | 0.4~1.5 | ≥800 | ≥4 | Residual | 0.02 | 0.02 | — | — | 6.0~7.0 | — | 0.1~0.25 | 0.3 | 0.4 |
| Note: We can provide customized products according to customers’ needs. | ||||||||||||||||
| Application Field: Spring product for clothing buttons and hardware accessories. | ||||||||||||||||
7、Copper alloy inflating valve for tires
| Grade | State | Mechanical Property | Chemical Composition（%） | ||||||||||||||
| GB | JIS | GB | JIS | Specification（mm） | Allowable deviation（mm） | Tensile Strength（N/mm²） | Elongation(%) | Cu | Fe | Pb | Al | Mn | Sn | Ni | P | Zn | Impurity Volume |
| Not more than | |||||||||||||||||
| H62 | C2800 | Y4 | 1/4H | 5.2~7.9 | ±0.02 | ≥330 | ≥14 | 60.5~63.5 | 0.15 | 0.08 | — | — | — | 0.5 | — | Residual | 0.5 |
We can provide customized products according to customers’ needs.
Application Field: inflating valves in tires for bicycles, motorcycles and automobiles.
8、Copper alloy bar for screws
| Grade | State | Mechanical Property | Chemical Composition（%） | ||||||||||||||
| GB | JIS | GB | JIS | Specification（mm） | Allowable deviation（mm） | Tensile Strength（N/mm²） | Elongation(%) | Cu | Fe | Pb | Al | Mn | Sn | Ni | P | Zn | Impurity Volume |
| Not more than | |||||||||||||||||
| H62 | C2800 | Y4 | 1/4H | 1.3~11.0 | ±0.02 | ≥330 | ≥8 | 60.5~63.5 | 0.15 | 0.08 | — | — | — | 0.5 | — | Residual | 0.5 |
| H65 | C2680 | Y4 | 1/4H | 1.3~9.0 | ±0.02 | ≥325 | ≥8 | 63.5~68.0 | 0.1 | 0.03 | — | — | — | 0.5 | — | Residual | 0.3 |
| H68 | C2620 | Y4 | 1/4H | 1.2~9.0 | ±0.02 | ≥315 | ≥8 | 67.0~70.0 | 0.1 | 0.03 | — | — | — | 0.5 | — | Residual | 0.3 |
| H70 | C2600 | Y4 | 1/4H | 3.0~8.0 | ±0.02 | ≥315 | ≥8 | 68.5~71.5 | 0.1 | 0.03 | — | — | — | 0.5 | — | Residual | 0.3 |
Note: We can provide customized products according to customers’ needs.
Application Field: various screws used for hardware products.
9、Copper alloy wire rod for ornaments
| Grade | State | Mechanical Property | Chemical Composition(%) | |||||||||||||
| GB | JIS | GB | JIS | Specification(mm) | Tensile Strength(N/mm²) | Elongation(%) | Cu | Fe | Pb | Al | Mn | Sn | Ni | P | Zn | Impurity Volume |
| Not more than | ||||||||||||||||
| H90 | C2200 | M | O | 0.3~5.0 | ≥260 | ≥18 | 88.0~91.0 | 0.1 | 0.03 | — | — | — | 0.5 | — | Residual | 0.2 |
| Y | H | 0.8~4.5 | ≥315 | — | ||||||||||||
| H62 | C2800 | M | O | 0.3~9.0 | ≥255 | ≥18 | 60.5~63.5 | 0.15 | 0.08 | — | — | — | 0.5 | — | Residual | 0.5 |
| Y | H | 0.4~6.5 | ≥330 | — | ||||||||||||
| H65 | C2680 | M | O | 0.35~9.0 | ≥250 | ≥28 | 63.5~68.0 | 0.1 | 0.03 | — | — | — | 0.5 | — | Residual | 0.3 |
| Y | H | 0.7~9.0 | ≥275 | — | ||||||||||||
| H68 | C2620 | M | O | 0.3~5.0 | ≥250 | ≥28 | 67.0~70.0 | 0.1 | 0.03 | — | — | — | 0.5 | — | Residual | 0.3 |
| BZn8-25 | — | M | O | 0.5~8.0 | ≥320 | ≥20 | 60.0~63.0 | 0.3 | 0.03 | — | — | — | 7.2~9.2 | — | Residual | 0.8d |
| Y2 | 1/2H | 0.3~7.0 | ≥420 | ≥6 | ||||||||||||
| BZn10-25 | — | M | O | 0.5~8.0 | ≥320 | ≥20 | 60.0~63.0 | 0.3 | 0.03 | — | — | — | 9.2~11.2 | — | Residual | 0.8d |
| Y2 | 1/2H | 0.3~7.0 | ≥420 | ≥6 | ||||||||||||
| BZn12-23 | — | M | O | 0.5~8.0 | ≥320 | ≥20 | 63.0~66.0 | 0.3 | 0.03 | — | — | — | 11.0~13.0 | — | Residual | 0.8d |
| Y2 | 1/2H | 0.3~7.0 | ≥420 | ≥6 | ||||||||||||
| BZn15-20 | T74600 | M | O | 0.5~8.0 | ≥345 | ≥20 | 63.5~68.0 | 0.5 | 0.02 | — | — | — | 13.5~16.5 | — | Residual | 0.9 |
| Y2 | 1/2H | 0.3~7.0 | ≥490 | — | ||||||||||||
| BZn18-20 | T76300 | M | O | 0.5~8.0 | ≥345 | ≥20 | 60.0~63.0 | 0.3 | 0.03 | — | — | — | 16.5~19.5 | — | Residual | 0.8d |
| Y2 | 1/2H | 0.3~7.0 | ≥440 | — | ||||||||||||
| BZn18-18 | C75200 | M | O | 0.5~8.0 | ≥345 | ≥20 | 63.0~66.5 | 0.25 | 0.05 | — | — | — | 16.5~19.5 | — | Residual | 1.3 |
| Y2 | 1/2H | 0.3~7.0 | ≥440 | — | ||||||||||||
| QSn6.5-0.1 | T51510 | Y2 | 1/2H | 1.0~8.0 | ≥460 | ≥4 | Residual | 0.02 | 0.02 | — | — | 6.0~7.0 | — | 0.1~0.25 | 0.3 | 0.4 |
| QSn5-0.2 | T51000 | Y2 | 1/2H | 1.0~7.0 | ≥460 | ≥4 | Residual | 0.1 | 0.05 | — | — | 4.2~5.8 | — | 0.03~0.35 | 0.3 | 0.95 |
| Note: We can provide customized products according to customers’ needs. Allowable deviation in product size: ±0.02mm. Application Field: mainly used for the production of hardware ornaments like necklace, bracelet and earrings. | ||||||||||||||||
10、Copper alloy wire rod for hardware, glasses, Musical Instruments,etc
| Grade | State | Mechanical Property | Chemical Composition（%） | |||||||||||||
| GB | JIS | GB | JIS | Specification（mm） | Tensile Strength（N/mm²） | Elongation (%) | Cu | Fe | Pb | Al | Mn | Sn | Ni | P | Zn | Impurity Volume |
| Not more than | ||||||||||||||||
| BZn8-25 | — | M | O | 0.5~8.0 | ≥320 | ≥20 | 60.0~63.0 | 0.3 | 0.03 | — | — | — | 7.2~9.2 | — | Residual | 0.8d |
| Y2 | 1/2H | 0.3~7.0 | ≥420 | ≥6 | ||||||||||||
| BZn10-25 | — | M | O | 0.5~8.0 | ≥320 | ≥20 | 60.0~63.0 | 0.3 | 0.03 | — | — | — | 9.2~11.2 | — | Residual | 0.8d |
| Y2 | 1/2H | 0.3~7.0 | ≥420 | ≥6 | ||||||||||||
| BZn12-23 | — | M | O | 0.5~8.0 | ≥320 | ≥20 | 63.0~66.0 | 0.3 | 0.03 | — | — | — | 11.0~13.0 | — | Residual | 0.8d |
| Y2 | 1/2H | 0.3~7.0 | ≥420 | ≥6 | ||||||||||||
| BZn15-20 | T74600 | M | O | 0.5~8.0 | ≥345 | ≥20 | 63.5~68.0 | 0.5 | 0.02 | — | — | — | 13.5~16.5 | — | Residual | 0.9 |
| Y2 | 1/2H | 0.3~7.0 | ≥490 | — | ||||||||||||
| BZn18-20 | T76300 | M | O | 0.5~8.0 | ≥345 | ≥20 | 60.0~63.0 | 0.3 | 0.03 | — | — | — | 16.5~19.5 | — | Residual | 0.8d |
| Y2 | 1/2H | 0.3~7.0 | ≥440 | — | ||||||||||||
| BZn18-18 | C75200 | M | O | 0.5~8.0 | ≥345 | ≥20 | 63.0~66.5 | 0.25 | 0.05 | — | — | — | 16.5~19.5 | — | Residual | 1.3 |
| Y2 | 1/2H | 0.3~7.0 | ≥440 | — | ||||||||||||
| H62 | C2800 | M | O | 0.3~9.0 | ≥255 | ≥18 | 60.5~63.5 | 0.15 | 0.08 | — | — | — | 0.5 | — | Residual | 0.5 |
| Y2 | 1/2H | 0.4~6.5 | ≥410 | ≥4 | ||||||||||||
| QSn6.5-0.1 | T51510 | Y2 | 1/2H | 1.0~8.0 | ≥460 | ≥4 | Residual | 0.02 | 0.02 | — | — | 6.0~7.0 | — | 0.1~0.25 | 0.3 | 0.4 |
| QSn5-0.2 | T51000 | Y2 | 1/2H | 1.0~7.0 | ≥460 | ≥4 | Residual | 0.1 | 0.05 | — | — | 4.2~5.8 | — | 0.03~0.35 | 0.3 | 0.95 |
| Note: We can provide customized products according to customers’ needs. Allowable deviation in product size: ±0.02mm. | ||||||||||||||||
| Application Field: mainly used for making glasses accessories, electrical plug-ins, musical instruments accessories,etc. | ||||||||||||||||
