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C44400 Brass vs. C47940 Brass

Both C44400 brass and C47940 brass are copper alloys. They have a moderately high 93% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C44400 brass and the bottom bar is C47940 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 41
40
Tensile Strength: Ultimate (UTS), MPa 350
380 to 520
Tensile Strength: Yield (Proof), MPa 120
160 to 390

Thermal Properties

Latent Heat of Fusion, J/g 180
170
Maximum Temperature: Mechanical, °C 140
130
Melting Completion (Liquidus), °C 940
850
Melting Onset (Solidus), °C 900
800
Specific Heat Capacity, J/kg-K 380
380
Thermal Conductivity, W/m-K 110
110
Thermal Expansion, µm/m-K 20
20

Otherwise Unclassified Properties

Base Metal Price, % relative 26
25
Density, g/cm3 8.3
8.2
Embodied Carbon, kg CO2/kg material 2.8
2.8
Embodied Energy, MJ/kg 46
47
Embodied Water, L/kg 330
330

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 65
120 to 740
Stiffness to Weight: Axial, points 7.2
7.1
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 12
13 to 17
Strength to Weight: Bending, points 13
14 to 17
Thermal Diffusivity, mm2/s 35
36
Thermal Shock Resistance, points 12
13 to 17

Alloy Composition

Antimony (Sb), % 0.020 to 0.1
0
Copper (Cu), % 70 to 73
63 to 66
Iron (Fe), % 0 to 0.060
0.1 to 1.0
Lead (Pb), % 0 to 0.070
1.0 to 2.0
Nickel (Ni), % 0
0.1 to 0.5
Tin (Sn), % 0.9 to 1.2
1.2 to 2.0
Zinc (Zn), % 25.2 to 29.1
28.1 to 34.6
Residuals, % 0
0 to 0.4