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ASTM A387 Grade 5 Steel vs. C81400 Copper

ASTM A387 grade 5 steel belongs to the iron alloys classification, while C81400 copper belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is ASTM A387 grade 5 steel and the bottom bar is C81400 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 20 to 21
11
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 74
41
Tensile Strength: Ultimate (UTS), MPa 500 to 600
370
Tensile Strength: Yield (Proof), MPa 230 to 350
250

Thermal Properties

Latent Heat of Fusion, J/g 260
210
Maximum Temperature: Mechanical, °C 510
200
Melting Completion (Liquidus), °C 1460
1090
Melting Onset (Solidus), °C 1420
1070
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 40
260
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
60
Electrical Conductivity: Equal Weight (Specific), % IACS 9.2
61

Otherwise Unclassified Properties

Base Metal Price, % relative 4.3
33
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 1.7
2.8
Embodied Energy, MJ/kg 23
45
Embodied Water, L/kg 69
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83 to 110
36
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 320
260
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 18 to 21
11
Strength to Weight: Bending, points 18 to 20
13
Thermal Diffusivity, mm2/s 11
75
Thermal Shock Resistance, points 14 to 17
13

Alloy Composition

Beryllium (Be), % 0
0.020 to 0.1
Carbon (C), % 0 to 0.15
0
Chromium (Cr), % 4.0 to 6.0
0.6 to 1.0
Copper (Cu), % 0
98.4 to 99.38
Iron (Fe), % 92.1 to 95.3
0
Manganese (Mn), % 0.3 to 0.6
0
Molybdenum (Mo), % 0.45 to 0.65
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.025
0
Residuals, % 0
0 to 0.5