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ACI-ASTM CB30 Steel vs. C90200 Bronze

ACI-ASTM CB30 steel belongs to the iron alloys classification, while C90200 bronze belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CB30 steel and the bottom bar is C90200 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
70
Elastic (Young's, Tensile) Modulus, GPa 200
110
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
41
Tensile Strength: Ultimate (UTS), MPa 500
260
Tensile Strength: Yield (Proof), MPa 230
110

Thermal Properties

Latent Heat of Fusion, J/g 290
200
Maximum Temperature: Mechanical, °C 940
180
Melting Completion (Liquidus), °C 1430
1050
Melting Onset (Solidus), °C 1380
880
Specific Heat Capacity, J/kg-K 480
370
Thermal Conductivity, W/m-K 21
62
Thermal Expansion, µm/m-K 11
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
13
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
13

Otherwise Unclassified Properties

Base Metal Price, % relative 10
34
Density, g/cm3 7.7
8.8
Embodied Carbon, kg CO2/kg material 2.3
3.3
Embodied Energy, MJ/kg 33
53
Embodied Water, L/kg 130
370

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 140
55
Stiffness to Weight: Axial, points 14
7.0
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 18
8.3
Strength to Weight: Bending, points 18
10
Thermal Diffusivity, mm2/s 5.6
19
Thermal Shock Resistance, points 17
9.5

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Carbon (C), % 0 to 0.3
0
Chromium (Cr), % 18 to 21
0
Copper (Cu), % 0 to 1.2
91 to 94
Iron (Fe), % 72.9 to 82
0 to 0.2
Lead (Pb), % 0
0 to 0.3
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 0 to 2.0
0 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.050
Silicon (Si), % 0 to 1.5
0 to 0.0050
Sulfur (S), % 0 to 0.040
0 to 0.050
Tin (Sn), % 0
6.0 to 8.0
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.6