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EN 1.4901 Stainless Steel vs. C96900 Copper-nickel

EN 1.4901 stainless steel belongs to the iron alloys classification, while C96900 copper-nickel belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.4901 stainless steel and the bottom bar is C96900 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 19
4.5
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 76
45
Tensile Strength: Ultimate (UTS), MPa 740
850
Tensile Strength: Yield (Proof), MPa 490
830

Thermal Properties

Latent Heat of Fusion, J/g 260
210
Maximum Temperature: Mechanical, °C 650
210
Melting Completion (Liquidus), °C 1490
1060
Melting Onset (Solidus), °C 1450
960
Specific Heat Capacity, J/kg-K 470
380
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.2
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 11
39
Density, g/cm3 7.9
8.8
Embodied Carbon, kg CO2/kg material 2.8
4.6
Embodied Energy, MJ/kg 40
72
Embodied Water, L/kg 89
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
38
Resilience: Unit (Modulus of Resilience), kJ/m3 620
2820
Stiffness to Weight: Axial, points 14
7.7
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 26
27
Strength to Weight: Bending, points 23
23
Thermal Shock Resistance, points 23
30

Alloy Composition

Aluminum (Al), % 0 to 0.020
0
Boron (B), % 0.0010 to 0.0060
0
Carbon (C), % 0.070 to 0.13
0
Chromium (Cr), % 8.5 to 9.5
0
Copper (Cu), % 0
73.6 to 78
Iron (Fe), % 85.8 to 89.1
0 to 0.5
Lead (Pb), % 0
0 to 0.020
Magnesium (Mg), % 0
0 to 0.15
Manganese (Mn), % 0.3 to 0.6
0.050 to 0.3
Molybdenum (Mo), % 0.3 to 0.6
0
Nickel (Ni), % 0 to 0.4
14.5 to 15.5
Niobium (Nb), % 0.040 to 0.090
0 to 0.1
Nitrogen (N), % 0.030 to 0.070
0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.5
0 to 0.3
Sulfur (S), % 0 to 0.010
0
Tin (Sn), % 0
7.5 to 8.5
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 1.5 to 2.0
0
Vanadium (V), % 0.15 to 0.25
0
Zinc (Zn), % 0
0 to 0.5
Zirconium (Zr), % 0 to 0.010
0
Residuals, % 0
0 to 0.5