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ASTM A266 Carbon Steel vs. CC381H Copper-nickel

ASTM A266 carbon 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 A266 carbon 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, % 21 to 26
20
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
52
Tensile Strength: Ultimate (UTS), MPa 500 to 600
380
Tensile Strength: Yield (Proof), MPa 230 to 290
140

Thermal Properties

Latent Heat of Fusion, J/g 250
240
Maximum Temperature: Mechanical, °C 400
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 51 to 52
30
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
6.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1 to 8.2
6.9

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
40
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 1.4
5.0
Embodied Energy, MJ/kg 18 to 19
73
Embodied Water, L/kg 46 to 47
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
60
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 230
68
Stiffness to Weight: Axial, points 13
8.6
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 18 to 21
12
Strength to Weight: Bending, points 18 to 20
13
Thermal Diffusivity, mm2/s 14
8.4
Thermal Shock Resistance, points 16 to 19
13