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H02 C12900 Copper vs. H02 C21000 Brass

Both H02 C12900 copper and H02 C21000 brass are copper alloys. Both are furnished in the H02 (half hard) temper. They have a very high 95% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is H02 C12900 copper and the bottom bar is H02 C21000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 14
12
Poisson's Ratio 0.34
0.34
Rockwell B Hardness 40
51
Rockwell Superficial 30T Hardness 50
53
Shear Modulus, GPa 43
43
Shear Strength, MPa 180
240
Tensile Strength: Ultimate (UTS), MPa 290
330
Tensile Strength: Yield (Proof), MPa 270
280

Thermal Properties

Latent Heat of Fusion, J/g 210
200
Maximum Temperature: Mechanical, °C 200
190
Melting Completion (Liquidus), °C 1080
1070
Melting Onset (Solidus), °C 1030
1050
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 380
230
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 98
56
Electrical Conductivity: Equal Weight (Specific), % IACS 98
57

Otherwise Unclassified Properties

Base Metal Price, % relative 32
30
Density, g/cm3 9.0
8.8
Embodied Carbon, kg CO2/kg material 2.6
2.6
Embodied Energy, MJ/kg 41
42
Embodied Water, L/kg 330
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40
37
Resilience: Unit (Modulus of Resilience), kJ/m3 310
330
Stiffness to Weight: Axial, points 7.2
7.2
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 9.0
10
Strength to Weight: Bending, points 11
12
Thermal Diffusivity, mm2/s 110
69
Thermal Shock Resistance, points 10
11

Alloy Composition


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Antimony (Sb), % 0 to 0.0030
0
Arsenic (As), % 0 to 0.012
0
Bismuth (Bi), % 0 to 0.0030
0
Copper (Cu), % 99.88 to 100
94 to 96
Iron (Fe), % 0
0 to 0.050
Lead (Pb), % 0 to 0.0040
0 to 0.030
Nickel (Ni), % 0 to 0.050
0
Silver (Ag), % 0 to 0.054
0
Tellurium (Te), % 0 to 0.025
0
Zinc (Zn), % 0
3.7 to 6.0
Residuals, % 0
0 to 0.2