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C38000 Brass vs. CR025A Copper

Both C38000 brass and CR025A copper are copper alloys. They have 58% 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 C38000 brass and the bottom bar is CR025A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Elongation at Break, % 17
15
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 39
43
Tensile Strength: Ultimate (UTS), MPa 380
230
Tensile Strength: Yield (Proof), MPa 120
140

Thermal Properties

Latent Heat of Fusion, J/g 170
210
Maximum Temperature: Mechanical, °C 110
200
Melting Completion (Liquidus), °C 800
1090
Melting Onset (Solidus), °C 760
1040
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 110
370
Thermal Expansion, µm/m-K 21
17

Otherwise Unclassified Properties

Base Metal Price, % relative 22
31
Density, g/cm3 8.0
9.0
Embodied Carbon, kg CO2/kg material 2.7
2.6
Embodied Energy, MJ/kg 46
41
Embodied Water, L/kg 330
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 50
31
Resilience: Unit (Modulus of Resilience), kJ/m3 74
83
Stiffness to Weight: Axial, points 7.1
7.2
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 13
7.1
Strength to Weight: Bending, points 14
9.3
Thermal Diffusivity, mm2/s 37
110
Thermal Shock Resistance, points 13
8.1

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Bismuth (Bi), % 0
0 to 0.00050
Copper (Cu), % 55 to 60
99.9 to 99.96
Iron (Fe), % 0 to 0.35
0
Lead (Pb), % 1.5 to 2.5
0 to 0.0050
Phosphorus (P), % 0
0.040 to 0.060
Silver (Ag), % 0
0 to 0.015
Tin (Sn), % 0 to 0.3
0
Zinc (Zn), % 35.9 to 43.5
0
Residuals, % 0 to 0.5
0