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C38000 Brass vs. C69710 Brass

Both C38000 brass and C69710 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 C38000 brass and the bottom bar is C69710 brass.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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