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ASTM A302 Alloy Steel vs. C19400 Copper

ASTM A302 alloy steel belongs to the iron alloys classification, while C19400 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 C19400 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 20 to 23
2.3 to 37
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
44
Shear Strength, MPa 370 to 390
210 to 300
Tensile Strength: Ultimate (UTS), MPa 590 to 620
310 to 630
Tensile Strength: Yield (Proof), MPa 350 to 390
98 to 520

Thermal Properties

Latent Heat of Fusion, J/g 250
210
Maximum Temperature: Mechanical, °C 410
200
Melting Completion (Liquidus), °C 1460
1090
Melting Onset (Solidus), °C 1420
1080
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 39 to 51
260
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2 to 7.4
58 to 68
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2 to 8.4
58 to 69

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4 to 3.0
30
Density, g/cm3 7.8 to 7.9
8.9
Embodied Carbon, kg CO2/kg material 1.5 to 1.6
2.6
Embodied Energy, MJ/kg 20 to 21
40
Embodied Water, L/kg 48 to 50
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
5.5 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 330 to 410
41 to 1140
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 21 to 22
9.7 to 20
Strength to Weight: Bending, points 20 to 21
11 to 18
Thermal Diffusivity, mm2/s 10 to 14
75
Thermal Shock Resistance, points 17 to 18
11 to 22