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ASTM A387 Grade 9 Steel vs. C15900 Copper

ASTM A387 grade 9 steel belongs to the iron alloys classification, while C15900 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 A387 grade 9 steel and the bottom bar is C15900 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 20 to 21
6.5
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 75
43
Shear Strength, MPa 310 to 380
420
Tensile Strength: Ultimate (UTS), MPa 500 to 600
720
Tensile Strength: Yield (Proof), MPa 230 to 350
240

Thermal Properties

Latent Heat of Fusion, J/g 270
210
Maximum Temperature: Mechanical, °C 600
200
Melting Completion (Liquidus), °C 1460
1080
Melting Onset (Solidus), °C 1410
1030
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 26
280
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
48
Electrical Conductivity: Equal Weight (Specific), % IACS 10
49

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
30
Density, g/cm3 7.8
8.8
Embodied Carbon, kg CO2/kg material 2.1
2.8
Embodied Energy, MJ/kg 28
45
Embodied Water, L/kg 87
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83 to 110
37
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 310
260
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 18 to 21
23
Strength to Weight: Bending, points 18 to 20
20
Thermal Diffusivity, mm2/s 6.9
80
Thermal Shock Resistance, points 14 to 17
26

Alloy Composition

Aluminum (Al), % 0
0.76 to 0.84
Carbon (C), % 0 to 0.15
0.27 to 0.33
Chromium (Cr), % 8.0 to 10
0
Copper (Cu), % 0
97.5 to 97.9
Iron (Fe), % 87.1 to 90.8
0 to 0.040
Manganese (Mn), % 0.3 to 0.6
0
Molybdenum (Mo), % 0.9 to 1.1
0
Oxygen (O), % 0
0.4 to 0.54
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.025
0
Titanium (Ti), % 0
0.66 to 0.74
Vanadium (V), % 0 to 0.040
0