MakeItFrom.com
Menu (ESC)

C90900 Bronze vs. C71000 Copper-nickel

Both C90900 bronze and C71000 copper-nickel are copper alloys. They have 78% 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 C90900 bronze and the bottom bar is C71000 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
130
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 40
49
Tensile Strength: Ultimate (UTS), MPa 280
320 to 560

Thermal Properties

Latent Heat of Fusion, J/g 190
230
Maximum Temperature: Mechanical, °C 160
240
Melting Completion (Liquidus), °C 980
1200
Melting Onset (Solidus), °C 820
1150
Specific Heat Capacity, J/kg-K 360
400
Thermal Conductivity, W/m-K 65
43
Thermal Expansion, µm/m-K 18
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
6.5
Electrical Conductivity: Equal Weight (Specific), % IACS 11
6.6

Otherwise Unclassified Properties

Base Metal Price, % relative 36
37
Density, g/cm3 8.7
8.9
Embodied Carbon, kg CO2/kg material 3.9
4.3
Embodied Energy, MJ/kg 64
63
Embodied Water, L/kg 410
290

Common Calculations

Stiffness to Weight: Axial, points 6.8
8.2
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 8.8
10 to 18
Strength to Weight: Bending, points 11
12 to 17
Thermal Diffusivity, mm2/s 21
12
Thermal Shock Resistance, points 10
12 to 20

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.2
0
Copper (Cu), % 86 to 89
73.5 to 80.5
Iron (Fe), % 0 to 0.15
0.5 to 1.0
Lead (Pb), % 0 to 0.25
0 to 0.050
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0 to 0.5
19 to 23
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0 to 0.0050
0
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 12 to 14
0
Zinc (Zn), % 0 to 0.25
0 to 1.0
Residuals, % 0
0 to 0.5