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SAE-AISI 8620 Steel vs. C85500 Brass

SAE-AISI 8620 steel belongs to the iron alloys classification, while C85500 brass 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 SAE-AISI 8620 steel and the bottom bar is C85500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 210
85
Elastic (Young's, Tensile) Modulus, GPa 190
100
Elongation at Break, % 13 to 31
40
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 73
40
Tensile Strength: Ultimate (UTS), MPa 520 to 690
410
Tensile Strength: Yield (Proof), MPa 360 to 570
160

Thermal Properties

Latent Heat of Fusion, J/g 250
170
Maximum Temperature: Mechanical, °C 410
120
Melting Completion (Liquidus), °C 1460
900
Melting Onset (Solidus), °C 1420
890
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 39
120
Thermal Expansion, µm/m-K 13
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
26
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
29

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
23
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.5
2.7
Embodied Energy, MJ/kg 20
46
Embodied Water, L/kg 50
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86 to 150
130
Resilience: Unit (Modulus of Resilience), kJ/m3 340 to 880
120
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 18 to 24
14
Strength to Weight: Bending, points 18 to 22
15
Thermal Diffusivity, mm2/s 10
38
Thermal Shock Resistance, points 15 to 20
14

Alloy Composition

Carbon (C), % 0.18 to 0.23
0
Chromium (Cr), % 0.4 to 0.6
0
Copper (Cu), % 0
59 to 63
Iron (Fe), % 96.9 to 98
0 to 0.2
Lead (Pb), % 0
0 to 0.2
Manganese (Mn), % 0.7 to 0.9
0 to 0.2
Molybdenum (Mo), % 0.15 to 0.25
0
Nickel (Ni), % 0.4 to 0.7
0 to 0.2
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0.15 to 0.35
0
Sulfur (S), % 0 to 0.040
0
Tin (Sn), % 0
0 to 0.2
Zinc (Zn), % 0
35.1 to 41
Residuals, % 0
0 to 0.9