BM 630
UNS C63000ASTM B505AMS 4640MAS 4880
Wrought nickel-aluminum bronze with high fatigue and corrosion resistance, plus non-sparking properties for explosive areas.
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Chemical composition
Chemical composition
| Copper | Remainder |
|---|---|
| Aluminum | 9.0–11.0% |
| Iron | 2.0–4.0% |
| Nickel | 4.0–5.5% |
| Manganese | máx. 1.5% |
| Others | máx. 0.5% |
Mechanical properties
Mechanical properties
| Tensile strength | 690–814 MPa |
|---|---|
| Yield strength | 340–517 MPa |
| Elongation | 10–18 % |
| Rockwell B hardness | 96–100 |
| Compressive strength | 980–1034 MPa |
| Density | 7.55 kg/dm³ |
Informational values. Vary by manufacturing process, geometry, and dimensions.
Available formats
Formats
BilletMachinedPlate
Typical applications
Typical applications
- Heavy-duty bearings in corrosive environments
- Aircraft bushings
- Marine pumps and shafts
- Propellers and wear rings
- Gears
- Tube-bending tooling
- Spark-resistant safety tools for explosive atmospheres
Manufacturing
Manufacturing processes
- Extrusion
- Forging
Other alloys in this family