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ACI-ASTM CN7MS Steel vs. C90800 Bronze

ACI-ASTM CN7MS steel belongs to the iron alloys classification, while C90800 bronze belongs to the copper 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 ACI-ASTM CN7MS steel and the bottom bar is C90800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
90
Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 39
13
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
40
Tensile Strength: Ultimate (UTS), MPa 540
330
Tensile Strength: Yield (Proof), MPa 230
170

Thermal Properties

Latent Heat of Fusion, J/g 340
190
Maximum Temperature: Mechanical, °C 1040
170
Melting Completion (Liquidus), °C 1400
990
Melting Onset (Solidus), °C 1350
870
Specific Heat Capacity, J/kg-K 480
370
Thermal Conductivity, W/m-K 12
68
Thermal Expansion, µm/m-K 16
18

Otherwise Unclassified Properties

Base Metal Price, % relative 28
36
Density, g/cm3 7.9
8.7
Embodied Carbon, kg CO2/kg material 5.1
3.8
Embodied Energy, MJ/kg 71
62
Embodied Water, L/kg 180
410

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
35
Resilience: Unit (Modulus of Resilience), kJ/m3 140
140
Stiffness to Weight: Axial, points 14
6.9
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 19
11
Strength to Weight: Bending, points 19
12
Thermal Diffusivity, mm2/s 3.2
21
Thermal Shock Resistance, points 13
12

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Carbon (C), % 0 to 0.070
0
Chromium (Cr), % 18 to 20
0
Copper (Cu), % 1.5 to 2.0
85.3 to 89
Iron (Fe), % 45.4 to 53.5
0 to 0.15
Lead (Pb), % 0
0 to 0.25
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 2.5 to 3.0
0
Nickel (Ni), % 22 to 25
0 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.3
Silicon (Si), % 2.5 to 3.5
0 to 0.0050
Sulfur (S), % 0 to 0.030
0 to 0.050
Tin (Sn), % 0
11 to 13
Zinc (Zn), % 0
0 to 0.25