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C44400 Brass vs. C70260 Copper

Both C44400 brass and C70260 copper are copper alloys. They have 72% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C44400 brass and the bottom bar is C70260 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 41
44
Tensile Strength: Ultimate (UTS), MPa 350
520 to 760
Tensile Strength: Yield (Proof), MPa 120
410 to 650

Thermal Properties

Latent Heat of Fusion, J/g 180
220
Maximum Temperature: Mechanical, °C 140
200
Melting Completion (Liquidus), °C 940
1060
Melting Onset (Solidus), °C 900
1040
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 110
160
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
40 to 50
Electrical Conductivity: Equal Weight (Specific), % IACS 27
40 to 51

Otherwise Unclassified Properties

Base Metal Price, % relative 26
31
Density, g/cm3 8.3
8.9
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 46
43
Embodied Water, L/kg 330
310

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 65
710 to 1810
Stiffness to Weight: Axial, points 7.2
7.3
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 12
16 to 24
Strength to Weight: Bending, points 13
16 to 21
Thermal Diffusivity, mm2/s 35
45
Thermal Shock Resistance, points 12
18 to 27

Alloy Composition

Antimony (Sb), % 0.020 to 0.1
0
Copper (Cu), % 70 to 73
95.8 to 98.8
Iron (Fe), % 0 to 0.060
0
Lead (Pb), % 0 to 0.070
0
Nickel (Ni), % 0
1.0 to 3.0
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0
0.2 to 0.7
Tin (Sn), % 0.9 to 1.2
0
Zinc (Zn), % 25.2 to 29.1
0
Residuals, % 0
0 to 0.5