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EN 1.4031 Stainless Steel vs. Grade CW2M Nickel

EN 1.4031 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 (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.4031 stainless steel and the bottom bar is grade CW2M nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 11 to 13
23
Fatigue Strength, MPa 220 to 400
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
83
Tensile Strength: Ultimate (UTS), MPa 670 to 900
560
Tensile Strength: Yield (Proof), MPa 390 to 730
310

Thermal Properties

Latent Heat of Fusion, J/g 280
330
Maximum Temperature: Mechanical, °C 770
960
Melting Completion (Liquidus), °C 1440
1520
Melting Onset (Solidus), °C 1400
1460
Specific Heat Capacity, J/kg-K 480
430
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
70
Density, g/cm3 7.7
8.8
Embodied Carbon, kg CO2/kg material 1.9
12
Embodied Energy, MJ/kg 27
170
Embodied Water, L/kg 100
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 77 to 94
110
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 1360
220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 24 to 32
18
Strength to Weight: Bending, points 22 to 27
17
Thermal Shock Resistance, points 23 to 32
16

Alloy Composition

Carbon (C), % 0.36 to 0.42
0 to 0.020
Chromium (Cr), % 12.5 to 14.5
15 to 17.5
Iron (Fe), % 83 to 87.1
0 to 2.0
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
15 to 17.5
Nickel (Ni), % 0
60.1 to 70
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.8
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 0
0 to 1.0