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SAE-AISI 8645 Steel vs. CC494K Bronze

SAE-AISI 8645 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 (2, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 8645 steel and the bottom bar is CC494K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 200
67
Elastic (Young's, Tensile) Modulus, GPa 190
100
Elongation at Break, % 12 to 23
7.6
Poisson's Ratio 0.29
0.35
Shear Modulus, GPa 73
39
Tensile Strength: Ultimate (UTS), MPa 600 to 670
210
Tensile Strength: Yield (Proof), MPa 390 to 560
94

Thermal Properties

Latent Heat of Fusion, J/g 250
180
Maximum Temperature: Mechanical, °C 410
160
Melting Completion (Liquidus), °C 1460
970
Melting Onset (Solidus), °C 1420
890
Specific Heat Capacity, J/kg-K 470
360
Thermal Conductivity, W/m-K 39
63
Thermal Expansion, µm/m-K 13
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
16
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
16

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
31
Density, g/cm3 7.8
9.1
Embodied Carbon, kg CO2/kg material 1.5
3.1
Embodied Energy, MJ/kg 20
50
Embodied Water, L/kg 50
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 77 to 120
13
Resilience: Unit (Modulus of Resilience), kJ/m3 420 to 840
43
Stiffness to Weight: Axial, points 13
6.4
Stiffness to Weight: Bending, points 24
17
Strength to Weight: Axial, points 21 to 24
6.5
Strength to Weight: Bending, points 20 to 22
8.8
Thermal Diffusivity, mm2/s 10
19
Thermal Shock Resistance, points 18 to 20
7.8

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Antimony (Sb), % 0
0 to 0.5
Carbon (C), % 0.43 to 0.48
0
Chromium (Cr), % 0.4 to 0.6
0
Copper (Cu), % 0
78 to 87
Iron (Fe), % 96.5 to 97.7
0 to 0.25
Lead (Pb), % 0
8.0 to 10
Manganese (Mn), % 0.75 to 1.0
0 to 0.2
Molybdenum (Mo), % 0.15 to 0.25
0
Nickel (Ni), % 0.4 to 0.7
0 to 2.0
Phosphorus (P), % 0 to 0.035
0 to 0.1
Silicon (Si), % 0.15 to 0.35
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