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C95400 Aluminum Bronze available from Dura-Bar Metal Services. #

Aluminum Bronze C95400 (C954)

C95400 Aluminum Bronze is the most common alloy in the cast aluminum bronze family. Used in many heavy duty applications, it is recommended for high load, high wear applications that require tensile strength, good ductility, weldability or exceptional resistance to fatigue and deformation in overload situations. In addition to good anti-frictional characteristics, the metal also exhibits low rates of scaling in atmospheric conditions, resistance to corrosion in sea water, low oxidation rates at higher temperatures and low reactivity with combustion exhaust byproducts.

Also known as: CDA 954, ASTM B-148-9C, ASTM B-271 Alloy C95400, ASTM B-505 Alloy C95400, ASTM B-584 Alloy C95400, ASTM B-763, SAE J461, J462, QQB-671 Class 3, QQC-390 Alloy G5, QQC-390 Rev. A/B Alloy C95400, Mil B-16033 Class 3, Mil C-15345-13, WCI275, AMS 4870B, 4872B, Ingot 415, CC331G, AB1, CuAL10Fe.

Chemical Composition
Cu% Sn% Pb% Zn% Fe% Ni% Sb% P% S% AI% Mn% Si%
83.00 Min N/A N/A N/A 3.00-
1.5 N/A N/A N/A 10.00-
0.50 N/A

Typical Uses

Weld Guns
Nuts, Large Hold Down Screws
Bushings,Worm Gears, High Strength Clamps, Gears, Valves, Pickling Hooks, Bearing Segments for the Steel Industry, Spur Gears, Heavily Loaded Worm, Gears, Bearings, Pawl, Valve Bodies, Landing Gear Parts, Machine Parts, Pressure Blocks for the Steel Industry, Valve Seats, Valve Guides, Pump Parts, Wear Plates, Gibs, Slides, Worm Wheels, Plungers.
Ship Building, Covers for Marine Hardware.
Government Fittings

Aluminum Bronze Properties

Mechanical - Aluminum Bronze
Tensile Strength, min 85 ksi 586 MPa
Yield Strength @ .5% ext under load min 32 ksi 221 MPa
Elongation in 2 in. or 50 mm min, % 12
Brinell Hardness, min 170 typical Bhn (3000kg)
Machinability Rating 60%
Physical - Aluminum Bronze
  US Customary Metric
Melting Point-Liquidus 1900 F 1038 C
Melting Point-Solidus 1880 F 1027 C
Density 0.269 lb/in3
@ 68 F
7.45 gm/cm3
@ 20 C
Specific Gravity 7.450 7.45
Electrical Resistivity 80.20 ohms-cmil/ft
@ 68 F
13.33 microhm-cm
@ 20 C
Electrical Conductivity 130 %IACS
@ 68 F
0.075 MegaSiemens/
cm @ 20 C
Thermal Conductivity 33.90 Btu ft/
(hr ft2 oF) @ 68 F
58.7 W/m oK @ 20 C
Coefficient of
Thermal Expansion
90 10-6 per oF
(68-572 F)
16.2 10-6 per oC
(20-300 C)
Specific Heat Capacity 0.10 Btu/lb/oF
@ 68 F
419.0 J/kg oK
@ 293 K
Modulus of Elasticity
in Tension
15500 ksi 107000 MPa
Magnetic Permeability* 1.270 1.27
*Field Strength 16 kA/m
Fabrication - Aluminum Bronze
Joining Technique Suitability
Soldering Good
Brazing Good
Oxyacetylene Welding Not Recommended
Gas Shielded Arc Welding Good
Coated Metal Arc Welding Good