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EN 1.4547 Stainless Steel vs. Grade CW2M Nickel

EN 1.4547 stainless steel belongs to the iron alloys classification, while grade CW2M nickel belongs to the nickel alloys. They have 43% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.4547 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, % 39
23
Fatigue Strength, MPa 290
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
83
Tensile Strength: Ultimate (UTS), MPa 750
560
Tensile Strength: Yield (Proof), MPa 340
310

Thermal Properties

Latent Heat of Fusion, J/g 300
330
Maximum Temperature: Mechanical, °C 1090
960
Melting Completion (Liquidus), °C 1470
1520
Melting Onset (Solidus), °C 1420
1460
Specific Heat Capacity, J/kg-K 460
430
Thermal Expansion, µm/m-K 17
12

Otherwise Unclassified Properties

Base Metal Price, % relative 28
70
Density, g/cm3 8.0
8.8
Embodied Carbon, kg CO2/kg material 5.6
12
Embodied Energy, MJ/kg 75
170
Embodied Water, L/kg 190
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
110
Resilience: Unit (Modulus of Resilience), kJ/m3 290
220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 26
18
Strength to Weight: Bending, points 23
17
Thermal Shock Resistance, points 16
16

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.020
Chromium (Cr), % 19.5 to 20.5
15 to 17.5
Copper (Cu), % 0.5 to 1.0
0
Iron (Fe), % 51 to 56.3
0 to 2.0
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 6.0 to 7.0
15 to 17.5
Nickel (Ni), % 17.5 to 18.5
60.1 to 70
Nitrogen (N), % 0.18 to 0.25
0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.7
0 to 0.8
Sulfur (S), % 0 to 0.010
0 to 0.030
Tungsten (W), % 0
0 to 1.0