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H02 C47940 Brass vs. H02 C68800 Brass

Both H02 C47940 brass and H02 C68800 brass are copper alloys. Both are furnished in the H02 (half hard) temper. They have 88% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is H02 C47940 brass and the bottom bar is H02 C68800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 24
20
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 40
41
Shear Strength, MPa 270
400
Tensile Strength: Ultimate (UTS), MPa 430
640
Tensile Strength: Yield (Proof), MPa 220
520

Thermal Properties

Latent Heat of Fusion, J/g 170
190
Maximum Temperature: Mechanical, °C 130
160
Melting Completion (Liquidus), °C 850
960
Melting Onset (Solidus), °C 800
950
Specific Heat Capacity, J/kg-K 380
400
Thermal Conductivity, W/m-K 110
40
Thermal Expansion, µm/m-K 20
19

Otherwise Unclassified Properties

Base Metal Price, % relative 25
26
Density, g/cm3 8.2
8.2
Embodied Carbon, kg CO2/kg material 2.8
2.8
Embodied Energy, MJ/kg 47
48
Embodied Water, L/kg 330
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86
120
Resilience: Unit (Modulus of Resilience), kJ/m3 230
1240
Stiffness to Weight: Axial, points 7.1
7.3
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 14
22
Strength to Weight: Bending, points 15
20
Thermal Diffusivity, mm2/s 36
12
Thermal Shock Resistance, points 14
22

Alloy Composition

Aluminum (Al), % 0
3.0 to 3.8
Cobalt (Co), % 0
0.25 to 0.55
Copper (Cu), % 63 to 66
70.8 to 75.5
Iron (Fe), % 0.1 to 1.0
0 to 0.2
Lead (Pb), % 1.0 to 2.0
0 to 0.050
Nickel (Ni), % 0.1 to 0.5
0
Tin (Sn), % 1.2 to 2.0
0
Zinc (Zn), % 28.1 to 34.6
21.3 to 24.1
Residuals, % 0
0 to 0.5