28
Cu
Copper
Rest
CuAl9Ni
KUPRAL® 7 | Aluminium Bronze
KUPRAL® 7 is a Aluminium Bronze | CuAl10Ni3Fe2-C | CuAl9Ni grade for bushings, bearings, rods, tubes, plates, and wear-resistant industrial components.
- ISO
- CuAl9Ni
- EN
- CuAl10Ni3Fe2-C
- DIN
- CC332G
- ASTM
- 2.0970
- Density
- 7.55 g/cm³
01. Chemical Composition (%)
13
Al
Aluminium
%8.5 - 10.0
26
Fe
Iron
%1.5 - 3.0
28
Ni
Nickel
%1.5 - 3.0
25
Mn
Manganese
%1.0 Max.
30
Zn
Zinc
%0.5 Max.
02. Mechanical Properties
| Property | Unit | Value | Test Method |
|---|---|---|---|
| Tensile Strength (Rm) | Rm | 550 N/mm² Min. | — |
| Yield Strength (Rp0.2) | Rp0.2 | 220 N/mm² Min. | — |
| Elongation (A5) | A5 | %15 Min. | — |
| Density | — | 7.55 kg/dm³ | — |
| Hardness (HBW) | HB | 130 HB Min. | — |
03. Applications
- Marine Engineering: Propeller shafts, ship valves, and underwater hardware.
- Oil & Gas Industry: Acid-resistant pump parts, valve seats, and high-pressure fittings.
- Heavy Machinery: High-load bushings, wear plates, and landing gear components.
- Fluid Handling: Pump impellers and housings for corrosive or abrasive fluids.
04. Manufacturing Technology and Supply Forms
Supply FormsCustom Casting, Hollow Bar / Pipe, Flat Bar / Plate, Round Bar
05. Standards and Comparable Grades
06. Technical Description
View Detailed Technical Description
KUPRAL® 7 technical data
KUPRAL® 7 is available for custom casting, continuous casting, centrifugal casting, machining, and industrial spare-part production.