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ACI-ASTM CN7MS Steel vs. C95820 Bronze

ACI-ASTM CN7MS steel belongs to the iron alloys classification, while C95820 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 C95820 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 39
15
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
44
Tensile Strength: Ultimate (UTS), MPa 540
730
Tensile Strength: Yield (Proof), MPa 230
310

Thermal Properties

Latent Heat of Fusion, J/g 340
230
Maximum Temperature: Mechanical, °C 1040
230
Melting Completion (Liquidus), °C 1400
1080
Melting Onset (Solidus), °C 1350
1020
Specific Heat Capacity, J/kg-K 480
440
Thermal Conductivity, W/m-K 12
38
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Base Metal Price, % relative 28
29
Density, g/cm3 7.9
8.3
Embodied Carbon, kg CO2/kg material 5.1
3.5
Embodied Energy, MJ/kg 71
56
Embodied Water, L/kg 180
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
86
Resilience: Unit (Modulus of Resilience), kJ/m3 140
400
Stiffness to Weight: Axial, points 14
8.0
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 19
24
Strength to Weight: Bending, points 19
22
Thermal Diffusivity, mm2/s 3.2
11
Thermal Shock Resistance, points 13
25

Alloy Composition

Aluminum (Al), % 0
9.0 to 10
Carbon (C), % 0 to 0.070
0
Chromium (Cr), % 18 to 20
0
Copper (Cu), % 1.5 to 2.0
77.5 to 82.5
Iron (Fe), % 45.4 to 53.5
4.0 to 5.0
Lead (Pb), % 0
0 to 0.020
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 2.5 to 3.0
0
Nickel (Ni), % 22 to 25
4.5 to 5.8
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 2.5 to 3.5
0 to 0.1
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.020
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.8