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EN 1.4031 Stainless Steel vs. Grade CX2M Nickel

EN 1.4031 stainless steel belongs to the iron alloys classification, while grade CX2M nickel belongs to the nickel alloys. There are 27 material properties with values for both materials. Properties with values for just one material (5, 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 CX2M nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Elongation at Break, % 11 to 13
45
Fatigue Strength, MPa 220 to 400
260
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
84
Tensile Strength: Ultimate (UTS), MPa 670 to 900
550
Tensile Strength: Yield (Proof), MPa 390 to 730
310

Thermal Properties

Latent Heat of Fusion, J/g 280
330
Maximum Temperature: Mechanical, °C 770
990
Melting Completion (Liquidus), °C 1440
1500
Melting Onset (Solidus), °C 1400
1450
Specific Heat Capacity, J/kg-K 480
430
Thermal Conductivity, W/m-K 30
10
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
65
Density, g/cm3 7.7
8.7
Embodied Carbon, kg CO2/kg material 1.9
12
Embodied Energy, MJ/kg 27
160
Embodied Water, L/kg 100
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 77 to 94
210
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 1360
220
Stiffness to Weight: Axial, points 14
14
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 Diffusivity, mm2/s 8.1
2.7
Thermal Shock Resistance, points 23 to 32
15

Alloy Composition

Carbon (C), % 0.36 to 0.42
0 to 0.020
Chromium (Cr), % 12.5 to 14.5
22 to 24
Iron (Fe), % 83 to 87.1
0 to 1.5
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
15 to 16.5
Nickel (Ni), % 0
56.4 to 63
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.020