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AISI 317LMN Stainless Steel vs. C72150 Copper-nickel

AISI 317LMN 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 (5, in this case) are not shown.

For each property being compared, the top bar is AISI 317LMN stainless steel and the bottom bar is C72150 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
99
Elastic (Young's, Tensile) Modulus, GPa 200
150
Elongation at Break, % 45
29
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 79
55
Shear Strength, MPa 430
320
Tensile Strength: Ultimate (UTS), MPa 620
490
Tensile Strength: Yield (Proof), MPa 270
210

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1020
600
Melting Completion (Liquidus), °C 1460
1210
Melting Onset (Solidus), °C 1410
1250
Specific Heat Capacity, J/kg-K 470
410
Thermal Conductivity, W/m-K 14
22
Thermal Expansion, µm/m-K 16
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
3.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
3.6

Otherwise Unclassified Properties

Base Metal Price, % relative 24
45
Density, g/cm3 8.0
8.9
Embodied Carbon, kg CO2/kg material 4.8
6.1
Embodied Energy, MJ/kg 65
88
Embodied Water, L/kg 170
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
120
Resilience: Unit (Modulus of Resilience), kJ/m3 180
150
Stiffness to Weight: Axial, points 14
9.1
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 22
15
Strength to Weight: Bending, points 20
15
Thermal Diffusivity, mm2/s 3.8
6.0
Thermal Shock Resistance, points 14
18

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.1
Chromium (Cr), % 17 to 20
0
Copper (Cu), % 0
52.5 to 57
Iron (Fe), % 54.4 to 65.4
0 to 0.1
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 2.0
0 to 0.050
Molybdenum (Mo), % 4.0 to 5.0
0
Nickel (Ni), % 13.5 to 17.5
43 to 46
Nitrogen (N), % 0.1 to 0.2
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
0 to 0.5
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.5