ASTM B505 C90300 / C903 / CDA903

Chemical composition
% min % máx
Cu 86.0 89.0
Sn 7.5 9.0
Pb 0.30
Zn 3.0 5.0
Fe 0.20
Ni 1.0
Al 0.005
Sb 0.20
S 0.05
P 1.5
Si 0.005

Sum of Named Elements 99.4% min.

Mechanical properties (Minimum values)
Tensile Strength, Min Ksi 44
Mpa 303
Yield Strength, at 0,5 % Extension Under Load Min Ksi 22
Mpa 152
Elongation in 2 in. Or 50mm, min % 18

Applications

Product Category Product Reason Category Reason
Building Heavy Construction Equipment Corrosion Resistance Corrosion Resistance
Heavy Construction Equipment Friction & Wear Properties Wear Resistance
Heavy Construction Equipment Mechanical Properties Moderate Strength
Heavy Construction Equipment Pressure Tight Pressure Tight up to 260 C
Fasteners Swivel Corrosion Resistance Corrosion Resistance
Swivel Friction & Wear Properties Low Co-efficient of Friction
Swivel Friction & Wear Properties Wear Resistance
Swivel Mechanical Properties Moderate Strength
Industrial Bearings Corrosion Resistance Corrosion Resistance
Bearings Friction & Wear Properties Low Co-efficient of Friction
Bearings Friction & Wear Properties Wear Resistance
Bearings Mechanical Properties Moderate Strength
Bushings Corrosion Resistance Corrosion Resistance
Bushings Corrosion Resistance Corrosion Resistance to Saline Solutions
Bushings Friction & Wear Properties Low Coefficient of Friction
Bushings Friction & Wear Properties Wear Resistance
Bushings Mechanical Properties Moderate Strength
Gear Blanks Corrosion Resistance Corrosion Resistance
Gear Blanks Friction & Wear Properties Low Co-efficient of Friction
Gear Blanks Friction & Wear Properties Wear Resistance
Gear Blanks Mechanical Properties Moderate Strength
Gears Corrosion Resistance Corrosion Resistance
Gears Friction & Wear Properties Wear Resistance
Gears Mechanical Properties Moderate Strength
Piston Rings Corrosion Resistance Corrosion Resistance
Piston Rings Friction & Wear Properties Wear Resistance
Piston Rings Mechanical Properties Moderate Strength
Piston Rings Pressure Tight Pressure Tight up to 260 C
Pump Bodies Corrosion Resistance Corrosion Resistance
Pump Bodies Corrosion Resistance Corrosion Resistance to Fresh Water
Pump Bodies Corrosion Resistance Corrosion Resistance to Saline Solutions
Pump Bodies Mechanical Properties Moderate Strength
Pump Bodies Pressure Tight Pressure Tight up to 260 C
Pump Impellers Corrosion Resistance Corrosion Resistance
Pump Impellers Corrosion Resistance Corrosion Resistance to Fresh Water
Pump Impellers Corrosion Resistance Corrosion Resistance to Saline Solutions
Pump Impellers Friction & Wear Properties Wear Resistance
Pump Impellers Mechanical Properties Moderate Strength
Valve Bodies Corrosion Resistance Corrosion Resistance
Valve Bodies Friction & Wear Properties Wear Resistance
Valve Bodies Machining Properties Machinability, Good
Valve Bodies Mechanical Properties Moderate Strength
Valve Bodies Pressure Tight Pressure Tight up to 260 C
Valves Corrosion Resistance Corrosion Resistance
Valves Friction & Wear Properties Wear Resistance
Valves Machining Properties Machinability, Good
Valves Mechanical Properties Moderate Strength
Plumbing Steam Fittings Corrosion Resistance Corrosion Resistance
Steam Fittings Corrosion Resistance Corrosion Resistance to Fresh Water
Steam Fittings Corrosion Resistance Corrosion Resistance to Numerous Environments
Steam Fittings Corrosion Resistance Corrosion Resistance to Saline Solutions
Steam Fittings Friction & Wear Properties Wear Resistance
Steam Fittings Mechanical Properties Moderate Strength
Steam Fittings Pressure Tight Pressure Tight up to 260 C
Source: https://alloys.copper.org.

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