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S30441 Stainless Steel vs. C72150 Copper-nickel

S30441 stainless steel belongs to the iron alloys classification, while C72150 copper-nickel belongs to the copper alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S30441 stainless steel and the bottom bar is C72150 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
99
Elastic (Young's, Tensile) Modulus, GPa 200
150
Elongation at Break, % 45
29
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
55
Shear Strength, MPa 400
320
Tensile Strength: Ultimate (UTS), MPa 580
490
Tensile Strength: Yield (Proof), MPa 230
210

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 940
600
Melting Completion (Liquidus), °C 1420
1210
Melting Onset (Solidus), °C 1370
1250
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 15
22
Thermal Expansion, µm/m-K 16
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
3.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
3.6

Otherwise Unclassified Properties

Base Metal Price, % relative 18
45
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 3.4
6.1
Embodied Energy, MJ/kg 50
88
Embodied Water, L/kg 150
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
120
Resilience: Unit (Modulus of Resilience), kJ/m3 140
150
Stiffness to Weight: Axial, points 14
9.1
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 21
15
Strength to Weight: Bending, points 20
15
Thermal Diffusivity, mm2/s 4.0
6.0
Thermal Shock Resistance, points 13
18

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.1
Chromium (Cr), % 17.5 to 19.5
0
Copper (Cu), % 1.5 to 2.5
52.5 to 57
Iron (Fe), % 62 to 71.7
0 to 0.1
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 2.0
0 to 0.050
Nickel (Ni), % 8.0 to 10.5
43 to 46
Niobium (Nb), % 0.1 to 0.5
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 1.0 to 2.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 0.2 to 0.8
0
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.5