KUPRAL® 7 - CuAl9Ni

Name: KUPRAL® 7
Brand: Çorum Bronz
SKU: CuAl9Ni

Aluminium Bronze | CuAl10Ni3Fe2-C | CuAl9Ni

KUPRAL® 7 is a Aluminium Bronze | CuAl10Ni3Fe2-C | CuAl9Ni grade for bushings, bearings, rods, tubes, plates, and wear-resistant industrial components.

ISO: CuAl9Ni DIN: CC332G ASTM: 2.0970 EN: CuAl10Ni3Fe2-C

01. Chemical Composition (%)

science

Copper (Cu) Rest

Aluminium (Al) %8.5 - 10.0

Iron (Fe) %1.5 - 3.0

Nickel (Ni) %1.5 - 3.0

Manganese (Mn) %1.0 Max.

Zinc (Zn) %0.5 Max.

02. Industries Served

factory

oil_barrel

Oil & Gas Drilling Equipment

precision_manufacturing

Automotive Bushings

wind_power

Energy Turbines

sailing

Maritime & Defense Propulsion Systems

flight_takeoff

Aerospace Landing Gear

03. Supply Forms

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transition_fade Custom Casting

radio_button_unchecked Hollow Bar / Pipe

sort Flat Bar / Plate

stroke_full Round Bar

04. Mechanical Properties

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Property Name	Imperial (psi)	Metric (MPa)
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.

05. Areas of Use

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	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.