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C69710 Brass vs. C38000 Brass

Both C69710 brass and C38000 brass are copper alloys. They have 77% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C69710 brass and the bottom bar is C38000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 25
17
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 41
39
Shear Strength, MPa 300
230
Tensile Strength: Ultimate (UTS), MPa 470
380
Tensile Strength: Yield (Proof), MPa 230
120

Thermal Properties

Latent Heat of Fusion, J/g 240
170
Maximum Temperature: Mechanical, °C 160
110
Melting Completion (Liquidus), °C 930
800
Melting Onset (Solidus), °C 880
760
Specific Heat Capacity, J/kg-K 400
380
Thermal Conductivity, W/m-K 40
110
Thermal Expansion, µm/m-K 19
21

Otherwise Unclassified Properties

Base Metal Price, % relative 26
22
Density, g/cm3 8.3
8.0
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 44
46
Embodied Water, L/kg 310
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
50
Resilience: Unit (Modulus of Resilience), kJ/m3 250
74
Stiffness to Weight: Axial, points 7.3
7.1
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 16
13
Strength to Weight: Bending, points 16
14
Thermal Diffusivity, mm2/s 12
37
Thermal Shock Resistance, points 16
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Arsenic (As), % 0.030 to 0.060
0
Copper (Cu), % 75 to 80
55 to 60
Iron (Fe), % 0 to 0.2
0 to 0.35
Lead (Pb), % 0.5 to 1.5
1.5 to 2.5
Manganese (Mn), % 0 to 0.4
0
Silicon (Si), % 2.5 to 3.5
0
Tin (Sn), % 0
0 to 0.3
Zinc (Zn), % 13.8 to 22
35.9 to 43.5
Residuals, % 0
0 to 0.5