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C18700 Copper vs. AISI 310MoLN Stainless Steel

C18700 copper belongs to the copper alloys classification, while AISI 310MoLN stainless steel belongs to the iron 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 C18700 copper and the bottom bar is AISI 310MoLN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 9.0 to 9.6
28
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
80
Shear Strength, MPa 170 to 190
400
Tensile Strength: Ultimate (UTS), MPa 290 to 330
610
Tensile Strength: Yield (Proof), MPa 230 to 250
290

Thermal Properties

Latent Heat of Fusion, J/g 210
300
Maximum Temperature: Mechanical, °C 200
1100
Melting Completion (Liquidus), °C 1080
1420
Melting Onset (Solidus), °C 950
1380
Specific Heat Capacity, J/kg-K 380
470
Thermal Conductivity, W/m-K 380
14
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 98
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 99
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 30
28
Density, g/cm3 9.0
7.9
Embodied Carbon, kg CO2/kg material 2.6
5.0
Embodied Energy, MJ/kg 41
70
Embodied Water, L/kg 310
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 29
140
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 280
200
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 9.0 to 10
21
Strength to Weight: Bending, points 11 to 12
20
Thermal Diffusivity, mm2/s 110
3.7
Thermal Shock Resistance, points 10 to 12
14

Alloy Composition

Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 98 to 99.2
0
Iron (Fe), % 0
45.2 to 53.8
Lead (Pb), % 0.8 to 1.5
0
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
1.6 to 2.6
Nickel (Ni), % 0
20.5 to 23.5
Nitrogen (N), % 0
0.090 to 0.15
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.010
Residuals, % 0 to 0.5
0