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ASTM A302 Alloy Steel vs. C19700 Copper

ASTM A302 alloy steel belongs to the iron alloys classification, while C19700 copper belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ASTM A302 alloy steel and the bottom bar is C19700 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 20 to 23
2.4 to 13
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
43
Shear Strength, MPa 370 to 390
240 to 300
Tensile Strength: Ultimate (UTS), MPa 590 to 620
400 to 530
Tensile Strength: Yield (Proof), MPa 350 to 390
330 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
1040
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 39 to 51
250
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2 to 7.4
86 to 88
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2 to 8.4
87 to 89

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
41
Embodied Water, L/kg 48 to 50
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
12 to 49
Resilience: Unit (Modulus of Resilience), kJ/m3 330 to 410
460 to 1160
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 21 to 22
12 to 16
Strength to Weight: Bending, points 20 to 21
14 to 16
Thermal Diffusivity, mm2/s 10 to 14
73
Thermal Shock Resistance, points 17 to 18
14 to 19