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ACI-ASTM CN7MS Steel vs. C83800 Bronze

ACI-ASTM CN7MS steel belongs to the iron alloys classification, while C83800 bronze belongs to the copper 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 ACI-ASTM CN7MS steel and the bottom bar is C83800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Elongation at Break, % 39
20
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
39
Tensile Strength: Ultimate (UTS), MPa 540
230
Tensile Strength: Yield (Proof), MPa 230
110

Thermal Properties

Latent Heat of Fusion, J/g 340
180
Maximum Temperature: Mechanical, °C 1040
160
Melting Completion (Liquidus), °C 1400
1000
Melting Onset (Solidus), °C 1350
840
Specific Heat Capacity, J/kg-K 480
370
Thermal Conductivity, W/m-K 12
72
Thermal Expansion, µm/m-K 16
19

Otherwise Unclassified Properties

Base Metal Price, % relative 28
30
Density, g/cm3 7.9
8.8
Embodied Carbon, kg CO2/kg material 5.1
2.9
Embodied Energy, MJ/kg 71
47
Embodied Water, L/kg 180
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
39
Resilience: Unit (Modulus of Resilience), kJ/m3 140
53
Stiffness to Weight: Axial, points 14
6.6
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 19
7.4
Strength to Weight: Bending, points 19
9.6
Thermal Diffusivity, mm2/s 3.2
22
Thermal Shock Resistance, points 13
8.6

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Carbon (C), % 0 to 0.070
0
Chromium (Cr), % 18 to 20
0
Copper (Cu), % 1.5 to 2.0
82 to 83.8
Iron (Fe), % 45.4 to 53.5
0 to 0.3
Lead (Pb), % 0
5.0 to 7.0
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 2.5 to 3.0
0
Nickel (Ni), % 22 to 25
0 to 1.0
Phosphorus (P), % 0 to 0.040
0 to 1.5
Silicon (Si), % 2.5 to 3.5
0 to 0.0050
Sulfur (S), % 0 to 0.030
0 to 0.080
Tin (Sn), % 0
3.3 to 4.2
Zinc (Zn), % 0
5.0 to 8.0
Residuals, % 0
0 to 0.7