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EN 1.4020 Stainless Steel vs. Grade CW2M Nickel

EN 1.4020 stainless steel belongs to the iron alloys classification, while grade CW2M nickel belongs to the nickel alloys. There are 25 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 EN 1.4020 stainless steel and the bottom bar is grade CW2M nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 13 to 34
23
Fatigue Strength, MPa 340 to 540
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
83
Tensile Strength: Ultimate (UTS), MPa 770 to 1130
560
Tensile Strength: Yield (Proof), MPa 430 to 950
310

Thermal Properties

Latent Heat of Fusion, J/g 280
330
Maximum Temperature: Mechanical, °C 890
960
Melting Completion (Liquidus), °C 1390
1520
Melting Onset (Solidus), °C 1350
1460
Specific Heat Capacity, J/kg-K 480
430
Thermal Expansion, µm/m-K 17
12

Otherwise Unclassified Properties

Base Metal Price, % relative 11
70
Density, g/cm3 7.6
8.8
Embodied Carbon, kg CO2/kg material 2.5
12
Embodied Energy, MJ/kg 37
170
Embodied Water, L/kg 150
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 220
110
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 2290
220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 28 to 41
18
Strength to Weight: Bending, points 25 to 32
17
Thermal Shock Resistance, points 16 to 23
16

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.020
Chromium (Cr), % 16.5 to 19
15 to 17.5
Iron (Fe), % 62.8 to 71.8
0 to 2.0
Manganese (Mn), % 11 to 14
0 to 1.0
Molybdenum (Mo), % 0
15 to 17.5
Nickel (Ni), % 0.5 to 2.5
60.1 to 70
Nitrogen (N), % 0.2 to 0.45
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
0 to 1.0