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C44400 Brass vs. C38000 Brass

Both C44400 brass and C38000 brass are copper alloys. They have 85% 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 C38000 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
39
Tensile Strength: Ultimate (UTS), MPa 350
380
Tensile Strength: Yield (Proof), MPa 120
120

Thermal Properties

Latent Heat of Fusion, J/g 180
170
Maximum Temperature: Mechanical, °C 140
110
Melting Completion (Liquidus), °C 940
800
Melting Onset (Solidus), °C 900
760
Specific Heat Capacity, J/kg-K 380
380
Thermal Conductivity, W/m-K 110
110
Thermal Expansion, µm/m-K 20
21

Otherwise Unclassified Properties

Base Metal Price, % relative 26
22
Density, g/cm3 8.3
8.0
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 46
46
Embodied Water, L/kg 330
330

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 65
74
Stiffness to Weight: Axial, points 7.2
7.1
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 12
13
Strength to Weight: Bending, points 13
14
Thermal Diffusivity, mm2/s 35
37
Thermal Shock Resistance, points 12
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Antimony (Sb), % 0.020 to 0.1
0
Copper (Cu), % 70 to 73
55 to 60
Iron (Fe), % 0 to 0.060
0 to 0.35
Lead (Pb), % 0 to 0.070
1.5 to 2.5
Tin (Sn), % 0.9 to 1.2
0 to 0.3
Zinc (Zn), % 25.2 to 29.1
35.9 to 43.5
Residuals, % 0
0 to 0.5