What is Brass?
Brass is a non-ferrous, red metal and an alloy that is composed of copper and zinc. The proportions of copper and zinc can be varied in order to achieve different desired mechanical and electrical properties. Brass contains atoms of the two constituent elements that may replace each other within a single crystalline structure, and hence is referred to as a substitutional alloy. It is used for decoration for its bright gold-like appearance; for applications where low friction is required such as locks, gears, bearings, ammunition, and valves; for plumbing and electrical applications; and extensively in musical instruments such as horns and bells for its acoustic properties.
Brass Specification
Grade | Chemical Composition % | Electrical Conductivity-IACS% | ||||
Cu | Pb | Fe | P | Zn | ||
C2600 | 68.5~71.5 | ≤ 0.05 | ≤ 0.05 | - | Rem | 25 |
C2680 | 64.0~68.0 | ≤ 0.05 | ≤ 0.05 | - | Rem | 24 |
C2720 | 62.0~64.0 | ≤ 0.07 | ≤ 0.07 | - | Rem | 23 |
C2801 | 59.0~62.0 | ≤ 0.10 | ≤ 0.10 | - | Rem | 23 |
Grade | Temper | Vickers Hardness | Tensile Strength (N/mm²) | Elongation |
C2600 (70/30) C2680 (65/35) C2720 (63/37) | O | ≤ 90 | ≥ 343 | ≥ 40 |
1/4H | 90~105 | 333~412 | ≥ 40 | |
1/2H | 105~130 | 372~441 | ≥ 30 | |
3/4H | 130~145 | 412~470 | ≥ 20 | |
FH | 145~160 | 431~490 | ≥ 14 | |
C2801 (60/40) | O | - | ≥ 320 | ≥ 35 |
1/4H | 85~105 | 353~441 | ≥ 25 | |
1/2H | 105~130 | 412~490 | ≥ 15 | |
FH | ≥ 130 | ≥ 470 | - |
What is Copper?
Good electrical conductivity, heat transfer, corrosion resistance and a wide range of moldability also are distinctive properties that make the copper so popular in the electrical, electronic and automotive industries. In addition, copper is an important ingredients with other metals. Such as brass is an alloy of copper with zinc and Bronze is an alloy copper and tin.
Copper Specification
Grade | Chemical Composition % | Electrical Conductivity-IACS% | ||||
Cu | Pb | Fe | P | Zn | ||
C1100 | ≥ 99.90 | - | - | ≤ 0.004 | - | 98 |
C1220 | ≥ 99.90 | - | - | 0.015~0.040 | - | 85 |
Grade | Temper | Vickers Hardness | Tensile Strength (N/mm²) | Elongation |
C1100 | O | 60 Max | ≥ 196 | 35 Min |
1/4H | 60~80 | 216~255 | 25 Min | |
1/2H | 80~100 | 255~314 | 15 Min | |
FH | 100~130 | ≥ 294 | 5 Min | |
C1220 | O | 65 Max | ≥ 196 | 35 Min |
1/4H | 60~90 | 216~255 | 25 Min | |
1/2H | 85~105 | 255~314 | 15 Min | |
FH | ≥ 100 | ≥294 | 5 Min |
What is Phosphor Bronze?
Phosphor Bronze is composed of copper that is alloyed with tin and phosphorus, which is strong and ductile with high flexibility and suitable for using as raw materials in production of electrical equipment due to it is conductivity and strong, such as connector terminal.
Phosphor Bronze Specification
Grade | Chemical Composition % | Electrical Conductivity – IACS% | |||||
Sn+P+Cu | Pb | Fe | P | Zn | Sn | ||
C5191 | ≥ 99.5 | ≤ 0.05 | ≤ 0.10 | 0.05~0.25 | ≤ 0.20 | 5.5~7.0 | 13 |
C5210 | ≥ 99.7 | ≤ 0.05 | ≤ 0.10 | 0.05~0.25 | ≤ 0.20 | 7.0~9.0 | 12 |
Grade | Temper | Vickers Hardness (HV) | Tensile Strength (N/mm²) | Elongation (%) |
C5191 | O | 90~110 | ≥ 315 | ≥ 42 |
1/4H | 110~140 | 390~510 | ≥ 35 | |
1/2H | 140~180 | 490~610 | ≥20 | |
FH | 180~210 | 590~685 | ≥8 | |
C5210 | 1/2H | 170~190 | 470~610 | ≥27 |
FH | 190~220 | 590~705 | ≥20 |
What is Lead Frame Copper Alloy?
Alloy C194 is a first generation high performance alloy used worldwide. C194 combines good electrical conductivity with high tensile strength, good solderability and plateability. Applications include connectors, semiconductor pins and leadframes, sockets and mass terminations.
Lead Frame Copper Alloy Specification
Grade | Chemical Composition % | Electrical Conductivity-IACS %(20°C) | ||||
Cu | Pb | Fe | P | Zn | ||
C194 | Rem | 0.03 Max | 2.1~2.6 | 0.015~0.15 | 0.05~0.20 | ≥ 60 |
Grade | Temper | Vickers Hardness (HV) | Tensile Strength (N/mm²) | Elongation (%) |
C194 | O | 90~110 | 310~380 | ≥ 25 |
1/2H | 115~137 | 365~435 | ≥ 5 | |
FH | 125~145 | 415~485 | ≥ 2 |
What is Beryllium Copper?
Beryllium Copper is copper that is alloyed of Beryllium and making it stronger than conventional copper, suitable for demanding application of strength but still need electrical conductivity and cooling properties such as terminal conductor parts and plastic mould.
Beryllium Copper Specification
Grade | Temper | Vickers Hardness | Tensile Strength (N/mm²) | Yield Strength 0.2%offset (N/mm²) | Elongation (%) |
C1720 | O | 90-160 | 410- 540 | - | 35 Min |
1/4H | 145-220 | 510 – 620 | - | 10 Min | |
1/2H | 180-240 | 590 - 695 | - | 5 Min | |
H | 210-270 | 685 - 835 | - | 2 Min |
What is Special Copper Alloy?
Having high strength and good workability, high heat resistance temper and easy plating. Application used for Automobile terminals ; electrical terminals.
Special Copper Alloy Specification
Grade | Chemical Composition % | Electrical Conductivity – IACS% | |||||
Cu | Pb | Fe | P | Zn | Sn | ||
C50715 | Rem | - | 0.05~0.15 | 0.025~0.04 | - | 1.7~2.3 | 35 |
Grade | Temper | Vickers Hardness (HV) | Tensile Strength (N/mm²) | Elongation (%) |
C50715 | 1/2H | 140~170 | 390~540 | ≥ 10 |
3/4H | 160~185 | 500~590 | ≥ 7 | |
FH | 170~200 | 540~620 | ≥ 5 |
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