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ACI-ASTM CH20 Steel vs. C90400 Bronze

ACI-ASTM CH20 steel belongs to the iron alloys classification, while C90400 bronze belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CH20 steel and the bottom bar is C90400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
77
Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 38
24
Poisson's Ratio 0.27
0.34
Shear Modulus, GPa 78
41
Tensile Strength: Ultimate (UTS), MPa 610
310
Tensile Strength: Yield (Proof), MPa 350
180

Thermal Properties

Latent Heat of Fusion, J/g 310
190
Maximum Temperature: Mechanical, °C 1100
170
Melting Completion (Liquidus), °C 1410
990
Melting Onset (Solidus), °C 1430
850
Specific Heat Capacity, J/kg-K 480
370
Thermal Conductivity, W/m-K 14
75
Thermal Expansion, µm/m-K 15
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
12
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
12

Otherwise Unclassified Properties

Base Metal Price, % relative 20
34
Density, g/cm3 7.8
8.7
Embodied Carbon, kg CO2/kg material 3.7
3.5
Embodied Energy, MJ/kg 53
56
Embodied Water, L/kg 180
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
65
Resilience: Unit (Modulus of Resilience), kJ/m3 300
150
Stiffness to Weight: Axial, points 14
7.0
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 22
10
Strength to Weight: Bending, points 21
12
Thermal Diffusivity, mm2/s 3.7
23
Thermal Shock Resistance, points 15
11

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.020
Boron (B), % 0
0 to 0.1
Carbon (C), % 0 to 0.2
0
Chromium (Cr), % 22 to 26
0
Copper (Cu), % 0
86 to 89
Iron (Fe), % 54.7 to 66
0 to 0.4
Lead (Pb), % 0
0 to 0.090
Manganese (Mn), % 0 to 1.5
0 to 0.010
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 12 to 15
0 to 1.0
Phosphorus (P), % 0 to 0.040
0 to 0.050
Silicon (Si), % 0 to 2.0
0 to 0.0050
Sulfur (S), % 0 to 0.040
0.1 to 0.65
Tin (Sn), % 0
7.5 to 8.5
Zinc (Zn), % 0
1.0 to 5.0
Zirconium (Zr), % 0
0 to 0.1
Residuals, % 0
0 to 0.7