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SAE-AISI 1039 Steel vs. C71580 Copper-nickel

SAE-AISI 1039 steel belongs to the iron alloys classification, while C71580 copper-nickel belongs to the copper 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 SAE-AISI 1039 steel and the bottom bar is C71580 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 200
75
Elastic (Young's, Tensile) Modulus, GPa 190
140
Elongation at Break, % 14 to 18
40
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
51
Shear Strength, MPa 380 to 420
230
Tensile Strength: Ultimate (UTS), MPa 610 to 690
330
Tensile Strength: Yield (Proof), MPa 340 to 580
110

Thermal Properties

Latent Heat of Fusion, J/g 250
230
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
400
Thermal Conductivity, W/m-K 51
39
Thermal Expansion, µm/m-K 12
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
4.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
4.7

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
41
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 1.4
5.1
Embodied Energy, MJ/kg 18
74
Embodied Water, L/kg 46
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 88 to 94
100
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 890
47
Stiffness to Weight: Axial, points 13
8.5
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 22 to 24
10
Strength to Weight: Bending, points 20 to 22
12
Thermal Diffusivity, mm2/s 14
11
Thermal Shock Resistance, points 19 to 22
11

Alloy Composition

Carbon (C), % 0.37 to 0.44
0 to 0.070
Copper (Cu), % 0
65.5 to 71
Iron (Fe), % 98.5 to 98.9
0 to 0.5
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0.7 to 1.0
0 to 0.3
Nickel (Ni), % 0
29 to 33
Phosphorus (P), % 0 to 0.040
0
Sulfur (S), % 0 to 0.050
0
Zinc (Zn), % 0
0 to 0.050
Residuals, % 0
0 to 0.5