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H04 C47940 Brass vs. H04 C51000 Bronze

Both H04 C47940 brass and H04 C51000 bronze are copper alloys. Both are furnished in the H04 (full hard) temper. They have 67% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is H04 C47940 brass and the bottom bar is H04 C51000 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 14
15
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
42
Shear Strength, MPa 310
320
Tensile Strength: Ultimate (UTS), MPa 520
530
Tensile Strength: Yield (Proof), MPa 390
520

Thermal Properties

Latent Heat of Fusion, J/g 170
200
Maximum Temperature: Mechanical, °C 130
190
Melting Completion (Liquidus), °C 850
1050
Melting Onset (Solidus), °C 800
960
Specific Heat Capacity, J/kg-K 380
380
Thermal Conductivity, W/m-K 110
77
Thermal Expansion, µm/m-K 20
18

Otherwise Unclassified Properties

Base Metal Price, % relative 25
33
Density, g/cm3 8.2
8.8
Embodied Carbon, kg CO2/kg material 2.8
3.1
Embodied Energy, MJ/kg 47
50
Embodied Water, L/kg 330
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 68
78
Resilience: Unit (Modulus of Resilience), kJ/m3 740
1180
Stiffness to Weight: Axial, points 7.1
7.0
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 17
17
Strength to Weight: Bending, points 17
16
Thermal Diffusivity, mm2/s 36
23
Thermal Shock Resistance, points 17
19

Alloy Composition

Copper (Cu), % 63 to 66
92.9 to 95.5
Iron (Fe), % 0.1 to 1.0
0 to 0.1
Lead (Pb), % 1.0 to 2.0
0 to 0.050
Nickel (Ni), % 0.1 to 0.5
0
Phosphorus (P), % 0
0.030 to 0.35
Tin (Sn), % 1.2 to 2.0
4.5 to 5.8
Zinc (Zn), % 28.1 to 34.6
0 to 0.3
Residuals, % 0
0 to 0.5