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CC381H Copper-nickel vs. AISI 201LN Stainless Steel

CC381H copper-nickel belongs to the copper alloys classification, while AISI 201LN stainless steel belongs to the iron alloys. There are 29 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 CC381H copper-nickel and the bottom bar is AISI 201LN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 91
210 to 320
Elastic (Young's, Tensile) Modulus, GPa 140
200
Elongation at Break, % 20
25 to 51
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 52
77
Tensile Strength: Ultimate (UTS), MPa 380
740 to 1060
Tensile Strength: Yield (Proof), MPa 140
350 to 770

Thermal Properties

Latent Heat of Fusion, J/g 240
280
Maximum Temperature: Mechanical, °C 260
880
Melting Completion (Liquidus), °C 1180
1410
Melting Onset (Solidus), °C 1120
1370
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 30
15
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.8
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 40
12
Density, g/cm3 8.9
7.7
Embodied Carbon, kg CO2/kg material 5.0
2.6
Embodied Energy, MJ/kg 73
38
Embodied Water, L/kg 280
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 60
230 to 310
Resilience: Unit (Modulus of Resilience), kJ/m3 68
310 to 1520
Stiffness to Weight: Axial, points 8.6
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 12
27 to 38
Strength to Weight: Bending, points 13
24 to 30
Thermal Diffusivity, mm2/s 8.4
4.0
Thermal Shock Resistance, points 13
16 to 23

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 0
16 to 17.5
Copper (Cu), % 64.5 to 69.9
0 to 1.0
Iron (Fe), % 0.5 to 1.5
67.9 to 73.5
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0.6 to 1.2
6.4 to 7.5
Nickel (Ni), % 29 to 31
4.0 to 5.0
Nitrogen (N), % 0
0.1 to 0.25
Phosphorus (P), % 0 to 0.010
0 to 0.045
Silicon (Si), % 0 to 0.1
0 to 0.75
Sulfur (S), % 0 to 0.010
0 to 0.015
Zinc (Zn), % 0 to 0.5
0