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SAE-AISI 8660 Steel vs. C37000 Muntz Metal

SAE-AISI 8660 steel belongs to the iron alloys classification, while C37000 Muntz Metal 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 8660 steel and the bottom bar is C37000 Muntz Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
100
Elongation at Break, % 12
40
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 73
39
Shear Strength, MPa 390
270
Tensile Strength: Ultimate (UTS), MPa 660
400
Tensile Strength: Yield (Proof), MPa 550
160

Thermal Properties

Latent Heat of Fusion, J/g 250
170
Maximum Temperature: Mechanical, °C 410
120
Melting Completion (Liquidus), °C 1450
900
Melting Onset (Solidus), °C 1410
890
Specific Heat Capacity, J/kg-K 470
380
Thermal Conductivity, W/m-K 39
120
Thermal Expansion, µm/m-K 13
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
27
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
30

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
23
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 1.5
2.7
Embodied Energy, MJ/kg 20
45
Embodied Water, L/kg 50
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 73
130
Resilience: Unit (Modulus of Resilience), kJ/m3 800
120
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 23
14
Strength to Weight: Bending, points 21
15
Thermal Diffusivity, mm2/s 10
39
Thermal Shock Resistance, points 19
13

Alloy Composition

Carbon (C), % 0.56 to 0.64
0
Chromium (Cr), % 0.4 to 0.6
0
Copper (Cu), % 0
59 to 62
Iron (Fe), % 96.4 to 97.6
0 to 0.15
Lead (Pb), % 0
0.8 to 1.5
Manganese (Mn), % 0.75 to 1.0
0
Molybdenum (Mo), % 0.15 to 0.25
0
Nickel (Ni), % 0.4 to 0.7
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0.15 to 0.35
0
Sulfur (S), % 0 to 0.040
0
Zinc (Zn), % 0
36 to 40.2
Residuals, % 0
0 to 0.4