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SAE-AISI 9260 Steel vs. C70400 Copper-nickel

SAE-AISI 9260 steel belongs to the iron alloys classification, while C70400 copper-nickel belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 9260 steel and the bottom bar is C70400 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 72
45
Tensile Strength: Ultimate (UTS), MPa 660
300 to 310
Tensile Strength: Yield (Proof), MPa 380
95 to 230

Thermal Properties

Latent Heat of Fusion, J/g 280
210
Maximum Temperature: Mechanical, °C 400
210
Melting Completion (Liquidus), °C 1430
1120
Melting Onset (Solidus), °C 1390
1060
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 45
64
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
14
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
14

Otherwise Unclassified Properties

Base Metal Price, % relative 2.0
32
Density, g/cm3 7.7
8.9
Embodied Carbon, kg CO2/kg material 1.5
3.0
Embodied Energy, MJ/kg 20
47
Embodied Water, L/kg 46
300

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 380
38 to 220
Stiffness to Weight: Axial, points 13
7.5
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 24
9.3 to 9.8
Strength to Weight: Bending, points 22
11 to 12
Thermal Diffusivity, mm2/s 12
18
Thermal Shock Resistance, points 20
10 to 11

Alloy Composition

Carbon (C), % 0.56 to 0.64
0
Copper (Cu), % 0
89.8 to 93.6
Iron (Fe), % 96.1 to 96.9
1.3 to 1.7
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0.75 to 1.0
0.3 to 0.8
Nickel (Ni), % 0
4.8 to 6.2
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 1.8 to 2.2
0
Sulfur (S), % 0 to 0.040
0
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.5