Aluminum Bronze

Do you need custom fasteners created with Aluminum Bronze? Since our inception, Elgin Fastener Group has met every challenge of providing Quality, Timely, Cost-effective solutions for specialty fastener applications. Every product is built to your specifications, using your prints if necessary.

Below are the technical specifications of the Aluminum Bronze Bar Stock we have available to meet your needs.

Aluminum Bronze, UNS C61300

Subcategory: Bronze; Copper Alloy; Metal; Nonferrous Metal Key Words: CDA 613

Component Wt. %
Al 6 – 7.5
Cu 88.5 – 91.5
Fe 2 – 3
Mn Max 0.1
Other Max 0.05
Pb Max 0.01
Sn 0.02 – 0.5
Zn Max 0.05

Material Notes: Good to excellent corrosion resistance. Good hot and cold formability. Fair to poor machinability Applications: nuts, bolts, stringers and threaded members, corrosion resistant vessels and tanks, structural components, machine parts, condenser tube and piping systems, marine protective sheathing and fasteners, munitions mixing troughs and blending chambers.

Properties typical for 13mm thick plate .

Physical Properties Metric English Comments
Density 7.89 g/cc 0.285 lb/in³ at 20°C (68°F); approximately 1.8% volume contraction on freezing
Mechanical Properties
Hardness, Rockwell B 82 82 O60 temper
Hardness, Rockwell B 91 91 H04 temper
Tensile Strength, Ultimate 540 MPa 78300 psi O60 temper
Tensile Strength, Ultimate 585 MPa 84800 psi H04 temper
Tensile Strength, Yield 240 MPa 34800 psi 0.5% extension, O60 temper
Tensile Strength, Yield 400 MPa 58000 psi 0.5% extension, H04 temper
Elongation at Break 35 % 35 % in 50 mm, H04 temper
Elongation at Break 42 % 42 % in 50 mm, O60 temper
Reduction of Area 25 % 25 % H04 temper
Reduction of Area 32 % 32 % O60 temper
Modulus of Elasticity 115 GPa 16700 ksi
Compressive Strength 825 MPa 120000 psi O60 temper
Compressive Strength 860 MPa 125000 psi H04 temper
Poisson’s Ratio 0.312 0.312
Charpy Impact 81 – 88 J 59.7 – 64.9 ft-lb Keyhole, at -30 to 150°C
Izod Impact 54 – 66 J 39.8 – 48.7 ft-lb at -30 to 150°C
Fatigue Strength 180 MPa 26100 psi Reverse bending, at 10^8 cycles
Machinability 30 % 30 % Based on 100% machinability for UNS C360000
Shear Modulus 44 GPa 6380 ksi
Electrical Properties
Electrical Resistivity 1.44e-005 ohm-cm 1.44e-005 ohm-cm at 20°C (68°F)
Magnetic Permeability 1.16 1.16
Thermal Properties
CTE, linear 250°C 16.2 µm/m-°C 9 µin/in-°F from 20-300°C (68-570°F)
Heat Capacity 0.375 J/g-°C 0.0896 BTU/lb-°F
Thermal Conductivity 56.5 W/m-K 392 BTU-in/hr-ft²-°F at 20°C (68°F)
Melting Point 1040 – 1045 °C 1900 – 1910 °F
Solidus 1040 °C 1900 °F
Liquidus 1045 °C 1910 °F
Processing Properties
Processing Temperature 1010 °C 1850 °F Hot-Shortness Temperature
Annealing Temperature 600 – 875 °C 1110 – 1610 °F
Hot-Working Temperature 800 – 925 °C 1470 – 1700 °F
Recrystallization Temperature 785 – 870 °C 1450 – 1600 °F

References are available for this material.