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C87600 Bronze vs. ACI-ASTM CN7MS Steel

C87600 bronze belongs to the copper alloys classification, while ACI-ASTM CN7MS steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C87600 bronze and the bottom bar is ACI-ASTM CN7MS steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 18
39
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 42
77
Tensile Strength: Ultimate (UTS), MPa 470
540
Tensile Strength: Yield (Proof), MPa 230
230

Thermal Properties

Latent Heat of Fusion, J/g 280
340
Maximum Temperature: Mechanical, °C 190
1040
Melting Completion (Liquidus), °C 970
1400
Melting Onset (Solidus), °C 860
1350
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 28
12
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Base Metal Price, % relative 29
28
Density, g/cm3 8.5
7.9
Embodied Carbon, kg CO2/kg material 2.7
5.1
Embodied Energy, MJ/kg 43
71
Embodied Water, L/kg 300
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71
170
Resilience: Unit (Modulus of Resilience), kJ/m3 240
140
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 16
19
Strength to Weight: Bending, points 16
19
Thermal Diffusivity, mm2/s 8.1
3.2
Thermal Shock Resistance, points 17
13

Alloy Composition

Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0
18 to 20
Copper (Cu), % 88 to 92.5
1.5 to 2.0
Iron (Fe), % 0
45.4 to 53.5
Lead (Pb), % 0 to 0.5
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
2.5 to 3.0
Nickel (Ni), % 0
22 to 25
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 3.5 to 5.5
2.5 to 3.5
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 4.0 to 7.0
0
Residuals, % 0 to 0.5
0