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ACI-ASTM CK20 Steel vs. CC494K Bronze

ACI-ASTM CK20 steel belongs to the iron alloys classification, while CC494K 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 CK20 steel and the bottom bar is CC494K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
67
Elastic (Young's, Tensile) Modulus, GPa 200
100
Elongation at Break, % 37
7.6
Poisson's Ratio 0.28
0.35
Shear Modulus, GPa 78
39
Tensile Strength: Ultimate (UTS), MPa 530
210
Tensile Strength: Yield (Proof), MPa 260
94

Thermal Properties

Latent Heat of Fusion, J/g 310
180
Maximum Temperature: Mechanical, °C 1100
160
Melting Completion (Liquidus), °C 1400
970
Melting Onset (Solidus), °C 1430
890
Specific Heat Capacity, J/kg-K 480
360
Thermal Conductivity, W/m-K 14
63
Thermal Expansion, µm/m-K 15
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
16
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
16

Otherwise Unclassified Properties

Base Metal Price, % relative 25
31
Density, g/cm3 7.8
9.1
Embodied Carbon, kg CO2/kg material 4.4
3.1
Embodied Energy, MJ/kg 62
50
Embodied Water, L/kg 190
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
13
Resilience: Unit (Modulus of Resilience), kJ/m3 170
43
Stiffness to Weight: Axial, points 14
6.4
Stiffness to Weight: Bending, points 25
17
Strength to Weight: Axial, points 19
6.5
Strength to Weight: Bending, points 19
8.8
Thermal Diffusivity, mm2/s 3.7
19
Thermal Shock Resistance, points 13
7.8

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Antimony (Sb), % 0
0 to 0.5
Carbon (C), % 0 to 0.2
0
Chromium (Cr), % 23 to 27
0
Copper (Cu), % 0
78 to 87
Iron (Fe), % 46.7 to 58
0 to 0.25
Lead (Pb), % 0
8.0 to 10
Manganese (Mn), % 0 to 2.0
0 to 0.2
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 19 to 22
0 to 2.0
Phosphorus (P), % 0 to 0.040
0 to 0.1
Silicon (Si), % 0 to 2.0
0 to 0.010
Sulfur (S), % 0 to 0.040
0 to 0.1
Tin (Sn), % 0
4.0 to 6.0
Zinc (Zn), % 0
0 to 2.0