MakeItFrom.com
Menu (ESC)

C90400 Bronze vs. C34500 Brass

Both C90400 bronze and C34500 brass are copper alloys. They have 67% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C90400 bronze and the bottom bar is C34500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 24
12 to 28
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 41
40
Tensile Strength: Ultimate (UTS), MPa 310
340 to 430
Tensile Strength: Yield (Proof), MPa 180
120 to 180

Thermal Properties

Latent Heat of Fusion, J/g 190
170
Maximum Temperature: Mechanical, °C 170
120
Melting Completion (Liquidus), °C 990
910
Melting Onset (Solidus), °C 850
890
Specific Heat Capacity, J/kg-K 370
380
Thermal Conductivity, W/m-K 75
120
Thermal Expansion, µm/m-K 18
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
26
Electrical Conductivity: Equal Weight (Specific), % IACS 12
29

Otherwise Unclassified Properties

Base Metal Price, % relative 34
24
Density, g/cm3 8.7
8.2
Embodied Carbon, kg CO2/kg material 3.5
2.6
Embodied Energy, MJ/kg 56
45
Embodied Water, L/kg 370
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 65
42 to 75
Resilience: Unit (Modulus of Resilience), kJ/m3 150
69 to 160
Stiffness to Weight: Axial, points 7.0
7.1
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 10
12 to 15
Strength to Weight: Bending, points 12
13 to 16
Thermal Diffusivity, mm2/s 23
37
Thermal Shock Resistance, points 11
11 to 14

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.020
0
Boron (B), % 0 to 0.1
0
Copper (Cu), % 86 to 89
62 to 65
Iron (Fe), % 0 to 0.4
0 to 0.15
Lead (Pb), % 0 to 0.090
1.5 to 2.5
Manganese (Mn), % 0 to 0.010
0
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0 to 0.0050
0
Sulfur (S), % 0.1 to 0.65
0
Tin (Sn), % 7.5 to 8.5
0
Zinc (Zn), % 1.0 to 5.0
32 to 36.5
Zirconium (Zr), % 0 to 0.1
0
Residuals, % 0
0 to 0.4