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ASTM A387 Grade 5 Steel vs. CC381H Copper-nickel

ASTM A387 grade 5 steel belongs to the iron alloys classification, while CC381H copper-nickel 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 5 steel and the bottom bar is CC381H copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 180
91
Elastic (Young's, Tensile) Modulus, GPa 190
140
Elongation at Break, % 20 to 21
20
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 74
52
Tensile Strength: Ultimate (UTS), MPa 500 to 600
380
Tensile Strength: Yield (Proof), MPa 230 to 350
140

Thermal Properties

Latent Heat of Fusion, J/g 260
240
Maximum Temperature: Mechanical, °C 510
260
Melting Completion (Liquidus), °C 1460
1180
Melting Onset (Solidus), °C 1420
1120
Specific Heat Capacity, J/kg-K 470
410
Thermal Conductivity, W/m-K 40
30
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
6.8
Electrical Conductivity: Equal Weight (Specific), % IACS 9.2
6.9

Otherwise Unclassified Properties

Base Metal Price, % relative 4.3
40
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 1.7
5.0
Embodied Energy, MJ/kg 23
73
Embodied Water, L/kg 69
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83 to 110
60
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 320
68
Stiffness to Weight: Axial, points 14
8.6
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 18 to 21
12
Strength to Weight: Bending, points 18 to 20
13
Thermal Diffusivity, mm2/s 11
8.4
Thermal Shock Resistance, points 14 to 17
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Carbon (C), % 0 to 0.15
0 to 0.030
Chromium (Cr), % 4.0 to 6.0
0
Copper (Cu), % 0
64.5 to 69.9
Iron (Fe), % 92.1 to 95.3
0.5 to 1.5
Lead (Pb), % 0
0 to 0.030
Manganese (Mn), % 0.3 to 0.6
0.6 to 1.2
Molybdenum (Mo), % 0.45 to 0.65
0
Nickel (Ni), % 0
29 to 31
Phosphorus (P), % 0 to 0.025
0 to 0.010
Silicon (Si), % 0 to 0.5
0 to 0.1
Sulfur (S), % 0 to 0.025
0 to 0.010
Zinc (Zn), % 0
0 to 0.5