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H02 C43400 Brass vs. H02 C70620 Copper-nickel

Both H02 C43400 brass and H02 C70620 copper-nickel are copper alloys. Both are furnished in the H02 (half hard) temper. They have 86% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is H02 C43400 brass and the bottom bar is H02 C70620 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Poisson's Ratio 0.33
0.34
Rockwell B Hardness 66
74
Rockwell Superficial 30T Hardness 63
67
Shear Modulus, GPa 42
46
Tensile Strength: Ultimate (UTS), MPa 410
450

Thermal Properties

Latent Heat of Fusion, J/g 190
220
Maximum Temperature: Mechanical, °C 170
220
Melting Completion (Liquidus), °C 1020
1120
Melting Onset (Solidus), °C 990
1060
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 140
49
Thermal Expansion, µm/m-K 19
17

Otherwise Unclassified Properties

Base Metal Price, % relative 28
33
Density, g/cm3 8.6
8.9
Embodied Carbon, kg CO2/kg material 2.7
3.4
Embodied Energy, MJ/kg 44
51
Embodied Water, L/kg 320
300

Common Calculations

Stiffness to Weight: Axial, points 7.2
7.7
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 13
14
Strength to Weight: Bending, points 14
15
Thermal Diffusivity, mm2/s 41
14
Thermal Shock Resistance, points 14
15

Alloy Composition

Carbon (C), % 0
0 to 0.050
Copper (Cu), % 84 to 87
86.5 to 90
Iron (Fe), % 0 to 0.050
1.0 to 1.8
Lead (Pb), % 0 to 0.050
0 to 0.020
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
9.0 to 11
Phosphorus (P), % 0
0 to 0.2
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 0.4 to 1.0
0
Zinc (Zn), % 11.4 to 15.6
0 to 0.5
Residuals, % 0
0 to 0.5