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ASTM A302 Alloy Steel vs. C18100 Copper

ASTM A302 alloy steel belongs to the iron alloys classification, while C18100 copper 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 ASTM A302 alloy steel and the bottom bar is C18100 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 20 to 23
8.3
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
47
Shear Strength, MPa 370 to 390
300
Tensile Strength: Ultimate (UTS), MPa 590 to 620
510
Tensile Strength: Yield (Proof), MPa 350 to 390
460

Thermal Properties

Latent Heat of Fusion, J/g 250
210
Maximum Temperature: Mechanical, °C 410
200
Melting Completion (Liquidus), °C 1460
1080
Melting Onset (Solidus), °C 1420
1020
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 39 to 51
320
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2 to 7.4
80
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2 to 8.4
81

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4 to 3.0
31
Density, g/cm3 7.8 to 7.9
8.9
Embodied Carbon, kg CO2/kg material 1.5 to 1.6
2.7
Embodied Energy, MJ/kg 20 to 21
43
Embodied Water, L/kg 48 to 50
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
40
Resilience: Unit (Modulus of Resilience), kJ/m3 330 to 410
900
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 21 to 22
16
Strength to Weight: Bending, points 20 to 21
16
Thermal Diffusivity, mm2/s 10 to 14
94
Thermal Shock Resistance, points 17 to 18
18