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SAE-AISI 8620 Steel vs. C64200 Bronze

SAE-AISI 8620 steel belongs to the iron alloys classification, while C64200 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 8620 steel and the bottom bar is C64200 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 13 to 31
14 to 35
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
42
Shear Strength, MPa 340 to 420
330 to 390
Tensile Strength: Ultimate (UTS), MPa 520 to 690
540 to 640
Tensile Strength: Yield (Proof), MPa 360 to 570
230 to 320

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
210
Melting Completion (Liquidus), °C 1460
1000
Melting Onset (Solidus), °C 1420
980
Specific Heat Capacity, J/kg-K 470
430
Thermal Conductivity, W/m-K 39
45
Thermal Expansion, µm/m-K 13
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
29
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 1.5
3.0
Embodied Energy, MJ/kg 20
50
Embodied Water, L/kg 50
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86 to 150
73 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 340 to 880
240 to 470
Stiffness to Weight: Axial, points 13
7.5
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 18 to 24
18 to 21
Strength to Weight: Bending, points 18 to 22
18 to 20
Thermal Diffusivity, mm2/s 10
13
Thermal Shock Resistance, points 15 to 20
20 to 23

Alloy Composition

Aluminum (Al), % 0
6.3 to 7.6
Arsenic (As), % 0
0 to 0.15
Carbon (C), % 0.18 to 0.23
0
Chromium (Cr), % 0.4 to 0.6
0
Copper (Cu), % 0
88.2 to 92.2
Iron (Fe), % 96.9 to 98
0 to 0.3
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0.7 to 0.9
0 to 0.1
Molybdenum (Mo), % 0.15 to 0.25
0
Nickel (Ni), % 0.4 to 0.7
0 to 0.25
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0.15 to 0.35
1.5 to 2.2
Sulfur (S), % 0 to 0.040
0
Tin (Sn), % 0
0 to 0.2
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.5