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AISI 317LMN Stainless Steel vs. CC381H Copper-nickel

AISI 317LMN stainless steel belongs to the iron alloys classification, while CC381H copper-nickel belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is AISI 317LMN stainless steel and the bottom bar is CC381H copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
91
Elastic (Young's, Tensile) Modulus, GPa 200
140
Elongation at Break, % 45
20
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 79
52
Tensile Strength: Ultimate (UTS), MPa 620
380
Tensile Strength: Yield (Proof), MPa 270
140

Thermal Properties

Latent Heat of Fusion, J/g 290
240
Maximum Temperature: Mechanical, °C 1020
260
Melting Completion (Liquidus), °C 1460
1180
Melting Onset (Solidus), °C 1410
1120
Specific Heat Capacity, J/kg-K 470
410
Thermal Conductivity, W/m-K 14
30
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
6.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
6.9

Otherwise Unclassified Properties

Base Metal Price, % relative 24
40
Density, g/cm3 8.0
8.9
Embodied Carbon, kg CO2/kg material 4.8
5.0
Embodied Energy, MJ/kg 65
73
Embodied Water, L/kg 170
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
60
Resilience: Unit (Modulus of Resilience), kJ/m3 180
68
Stiffness to Weight: Axial, points 14
8.6
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 22
12
Strength to Weight: Bending, points 20
13
Thermal Diffusivity, mm2/s 3.8
8.4
Thermal Shock Resistance, points 14
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 17 to 20
0
Copper (Cu), % 0
64.5 to 69.9
Iron (Fe), % 54.4 to 65.4
0.5 to 1.5
Lead (Pb), % 0
0 to 0.030
Manganese (Mn), % 0 to 2.0
0.6 to 1.2
Molybdenum (Mo), % 4.0 to 5.0
0
Nickel (Ni), % 13.5 to 17.5
29 to 31
Nitrogen (N), % 0.1 to 0.2
0
Phosphorus (P), % 0 to 0.045
0 to 0.010
Silicon (Si), % 0 to 0.75
0 to 0.1
Sulfur (S), % 0 to 0.030
0 to 0.010
Zinc (Zn), % 0
0 to 0.5