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C90200 Bronze vs. ACI-ASTM CN7MS Steel

C90200 bronze belongs to the copper alloys classification, while ACI-ASTM CN7MS steel belongs to the iron alloys. 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 C90200 bronze and the bottom bar is ACI-ASTM CN7MS steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 70
160
Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 30
39
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 41
77
Tensile Strength: Ultimate (UTS), MPa 260
540
Tensile Strength: Yield (Proof), MPa 110
230

Thermal Properties

Latent Heat of Fusion, J/g 200
340
Maximum Temperature: Mechanical, °C 180
1040
Melting Completion (Liquidus), °C 1050
1400
Melting Onset (Solidus), °C 880
1350
Specific Heat Capacity, J/kg-K 370
480
Thermal Conductivity, W/m-K 62
12
Thermal Expansion, µm/m-K 18
16

Otherwise Unclassified Properties

Base Metal Price, % relative 34
28
Density, g/cm3 8.8
7.9
Embodied Carbon, kg CO2/kg material 3.3
5.1
Embodied Energy, MJ/kg 53
71
Embodied Water, L/kg 370
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 63
170
Resilience: Unit (Modulus of Resilience), kJ/m3 55
140
Stiffness to Weight: Axial, points 7.0
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 8.3
19
Strength to Weight: Bending, points 10
19
Thermal Diffusivity, mm2/s 19
3.2
Thermal Shock Resistance, points 9.5
13

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.2
0
Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0
18 to 20
Copper (Cu), % 91 to 94
1.5 to 2.0
Iron (Fe), % 0 to 0.2
45.4 to 53.5
Lead (Pb), % 0 to 0.3
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
2.5 to 3.0
Nickel (Ni), % 0 to 0.5
22 to 25
Phosphorus (P), % 0 to 0.050
0 to 0.040
Silicon (Si), % 0 to 0.0050
2.5 to 3.5
Sulfur (S), % 0 to 0.050
0 to 0.030
Tin (Sn), % 6.0 to 8.0
0
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0 to 0.6
0