Brass Coil
Brass coil has excellent plasticity (best in brass) and high strength, good machinability, easy to weld, very stable to general corrosion, but prone to corrosion cracking; brass coil is copper and the alloy of zinc is named for its yellow color.
The mechanical properties and wear resistance of the brass coil are very good, and can be used to manufacture precision instruments, ship parts, shells of guns, etc. Brass knocks up and sounds good, so instruments such as cymbals, cymbals, bells, and numbers are made of brass. According to the chemical composition, brass is divided into ordinary copper and special brass.
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Brass coil has excellent plasticity (best in brass) and high strength, good machinability, easy to weld, very stable to general corrosion, but prone to corrosion cracking; brass coil is copper and the alloy of zinc is named for its yellow color.
The mechanical properties and wear resistance of the brass coil are very good, and can be used to manufacture precision instruments, ship parts, shells of guns, etc. Brass knocks up and sounds good, so instruments such as cymbals, cymbals, bells, and numbers are made of brass. According to the chemical composition, brass is divided into ordinary copper and special brass.
| COMPOSITION | ALLOY # | APPLICATIONS |
| Cu Zn 10 | ASTM – C22000 | Ordnance, Detonators and Electrical uses. |
| JIS – C2200 | ||
| Cu Zn 30 | ASTM – C26000 | Auto Electric, Electrical, Radiators Tank |
| JIS – C2600 | ||
| Cu Zn 35 | ASTM – C26800 | Connectors, Stamping , Watch Dial, Keys |
| JIS – C2680 | ||
| Cu Zn 37 | JIS – C2720 | Electrical components, Eyelet |
| Cu Zn 40 | ASTM – C28000 | Lock keys |
| JIS – C – 2801 |
| PRODUCTION CAPABILITIES | |
| DESCRIPTION | PRDUCTION CAPABILITY |
| THIKNESS | 0.04 mm to 2.50 mm |
| WIDTH | 8.00 mm to 406.4 mm |
| COIL ID | 100, 150 ,200, 300 & 400 mm |
| TEMPER | DD, SOFT, QH, HH, 3/4H, H, EH, SH |
| PRODUCTION TOLERANCES | |
| THIKNESS (Mm) | TOLERANCE (Mm) |
| 0.04 – 0.05 | +/- 0.003 |
| 0.06 – 0.10 | +/- 0.005 |
| 0.10 – 0.20 | +/- 0.010 |
| 0.21 – 0.30 | +/- 0.015 |
| 0.31– 0.50 | +/- 0.020 |
| 0.51 – 0.80 | +/- 0.020 |
| 0.81 – 1.40 | +/- 0.020 |
| 1.41 – 2.00 | +/- 0.030 |
| 2.01 – 2.50 | +/- 0.040 |
| PRODUCTION WIDTH TOLERANCES | |
| WIDTH (Mm) | TOLERANCE (Mm) |
| 10 – 100 | +/- 0.10 |
| 101 – 200 | +/- 0.15 |
| 201 – 250 | +/- 0.20 |
| 251 – 300 | +/- 0.30 |
| 301– 406.40 | +/- 0.50 |
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