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ASTM A387 Grade 2 Steel vs. C14520 Copper

ASTM A387 grade 2 steel belongs to the iron alloys classification, while C14520 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 A387 grade 2 steel and the bottom bar is C14520 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 25
9.0 to 9.6
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
43
Shear Strength, MPa 300 to 350
170 to 190
Tensile Strength: Ultimate (UTS), MPa 470 to 550
290 to 330
Tensile Strength: Yield (Proof), MPa 260 to 350
230 to 250

Thermal Properties

Latent Heat of Fusion, J/g 250
210
Maximum Temperature: Mechanical, °C 420
200
Melting Completion (Liquidus), °C 1470
1080
Melting Onset (Solidus), °C 1420
1050
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 45
320
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
85
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
85

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
33
Density, g/cm3 7.9
8.9
Embodied Carbon, kg CO2/kg material 1.6
2.6
Embodied Energy, MJ/kg 20
42
Embodied Water, L/kg 50
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 120
24 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 320
240 to 280
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 16 to 20
9.0 to 10
Strength to Weight: Bending, points 17 to 19
11 to 12
Thermal Diffusivity, mm2/s 12
94
Thermal Shock Resistance, points 14 to 16
10 to 12

Alloy Composition

Carbon (C), % 0.050 to 0.21
0
Chromium (Cr), % 0.5 to 0.8
0
Copper (Cu), % 0
99.2 to 99.596
Iron (Fe), % 97.1 to 98.3
0
Manganese (Mn), % 0.55 to 0.8
0
Molybdenum (Mo), % 0.45 to 0.6
0
Phosphorus (P), % 0 to 0.025
0.0040 to 0.020
Silicon (Si), % 0.15 to 0.4
0
Sulfur (S), % 0 to 0.025
0
Tellurium (Te), % 0
0.4 to 0.7