- Excellent strength, hardness, corrosion resistance, and toughness
- Superior abrasion resistance in high load
- Used such as bearing, valve seat, lever, arm, gear, fittings for ship, sliding parts with low speed and high load, bearing for bridge, nut, slipper, and water pressure cylinder parts.
Available type and dimension
| Type | Dimension | Remarks |
|---|---|---|
| Solid bar | ø28~ø194 | - |
| Hollow bar | ø23~ø194 | At least 7T or above |
| Standards | Chemical composition | Mechanical properties | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| KS/JIS | Old code UNS NO. |
Cu | Zn | Fe | Al | Mn | Sn | Pb | Ni | Si | Tensile strength (N/mm2) |
Elongation (%) |
Hardness (HB) |
| CAC301 | HBsC1 | 55.0~60.0 | 33.0~42.0 | 0.5~1.5 | 0.5~1.5 | 0.1~1.5 | 1.0 | 0.4 | 1.0 | 0.1 | 430 or above | 20 or above | 90 or above (10/1000) |
| CAC302 | HBsC2 | 55.0~60.0 | 33.0~42.0 | 0.5~2.0 | 0.5~2.0 | 0.1~3.5 | 1.0 | 0.4 | 1.0 | 0.1 | 490 or above | 18 or above | 100 or above (10/1000) |
| CAC303 | HBsC3 | 60.0~65.0 | 22.0~28.0 | 2.0~4.0 | 3.0~5.0 | 2.5~5.0 | 0.5 | 0.2 | 0.5 | 0.1 | 635 or above | 15 or above | 165 or above (10/3000) |
| CAC304 | HBsC4 | 60.0~65.0 | 22.0~28.0 | 2.0~4.0 | 5.0~7.5 | 2.5~5.0 | 0.2 | 0.2 | 0.5 | 0.1 | 755 or above | 12 or above | 200 or above (10/3000) |
- High strength and toughness
- Excellent resistance to bending, corrosion, heat, and abrasion in low temperature.
- Used in parts such as bearing, bush, gear, belt seat, plunger, paper-making roller, propeller for ship, nut, and safety tools.
Available type and dimension
| Type | Dimension | Remarks |
|---|---|---|
| Solid bar | ø40~ø194 | - |
| Hollow bar | Inquire for available dimension | - |
| Standards | Chemical composition | Mechanical properties | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| KS/JIS | Old code UNS NO. |
Cu | Fe | Ni | Al | Mn | Sn | Pb | Zn | Tensile strength (N/mm2) |
Elongation (%) |
Hardness(HB) |
| CAC701 | AlBC1 | 85.0~90.0 | 1.0~3.0 | 0.1~1.0 | 8.0~10.0 | 0.1~1.0 | 0.1 | 0.1 | 0.5 | 440 or above | 25 or above | 80 (10/1000) |
| CAC702 | AlBC2 | 80.0~88.0 | 2.5~5.0 | 0.1~3.0 | 8.0~10.5 | 0.1~1.5 | 0.1 | 0.1 | 0.5 | 490 or above | 20 or above | 120 (10/1000) |
| CAC703 | AlBC3 | 78.0~85.0 | 3.0~6.0 | 3.0~6.0 | 8.5~10.5 | 0.1~1.5 | 0.1 | 0.1 | 0.5 | 590 or above | 15 or above | 150 (10/1000) |
- Excellent hot forging and machinability.
- Used in parts such as bolt, nut, small screw, spindle, gear, valve, and mechanical parts.
Available type and dimension
| Type | Hollow bar | Remarks |
|---|---|---|
| Solid bar | ø28~ø194 | - |
| Hollow bar | Min. ID 23, 7T or above | - |
| Standard | Chemical composition | Mechanical properties | |||||
|---|---|---|---|---|---|---|---|
| KS/JIS | Cu | Pb | Fe | Fe+Sn | Zn | Tensile strength (N/mm2) |
Elongation (%) |
| C3604 | 57.0~61.0 | 1.8~3.7 | 0.5 | 1.0 | Rem | 335 | 27 |
| C3771 | 57.0~61.0 | 1.0~2.5 | 0.5 | 0.5 | Rem | 315 | 15 |