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C70700 Copper-nickel vs. ASTM A387 Grade 11 Steel

C70700 copper-nickel belongs to the copper alloys classification, while ASTM A387 grade 11 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C70700 copper-nickel and the bottom bar is ASTM A387 grade 11 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 73
150 to 180
Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 39
25
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 46
73
Shear Strength, MPa 220
320 to 390
Tensile Strength: Ultimate (UTS), MPa 320
500 to 600
Tensile Strength: Yield (Proof), MPa 110
270 to 350

Thermal Properties

Latent Heat of Fusion, J/g 220
260
Maximum Temperature: Mechanical, °C 220
430
Melting Completion (Liquidus), °C 1120
1460
Melting Onset (Solidus), °C 1060
1420
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 59
39
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 12
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 34
2.9
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 3.4
1.6
Embodied Energy, MJ/kg 52
21
Embodied Water, L/kg 300
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
100 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 51
200 to 320
Stiffness to Weight: Axial, points 7.6
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 10
18 to 21
Strength to Weight: Bending, points 12
18 to 20
Thermal Diffusivity, mm2/s 17
11
Thermal Shock Resistance, points 12
15 to 18

Alloy Composition

Carbon (C), % 0
0.050 to 0.17
Chromium (Cr), % 0
1.0 to 1.5
Copper (Cu), % 88.5 to 90.5
0
Iron (Fe), % 0 to 0.050
96.2 to 97.6
Manganese (Mn), % 0 to 0.5
0.4 to 0.65
Molybdenum (Mo), % 0
0.45 to 0.65
Nickel (Ni), % 9.5 to 10.5
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0.5 to 0.8
Sulfur (S), % 0
0 to 0.025
Residuals, % 0 to 0.5
0