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EN 1.4938 Stainless Steel vs. Grade CX2M Nickel

EN 1.4938 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 1.4938 stainless steel and the bottom bar is grade CX2M nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
220
Elongation at Break, % 16 to 17
45
Fatigue Strength, MPa 390 to 520
260
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
84
Tensile Strength: Ultimate (UTS), MPa 870 to 1030
550
Tensile Strength: Yield (Proof), MPa 640 to 870
310

Thermal Properties

Latent Heat of Fusion, J/g 270
330
Maximum Temperature: Mechanical, °C 750
990
Melting Completion (Liquidus), °C 1460
1500
Melting Onset (Solidus), °C 1420
1450
Specific Heat Capacity, J/kg-K 470
430
Thermal Conductivity, W/m-K 30
10
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 10
65
Density, g/cm3 7.8
8.7
Embodied Carbon, kg CO2/kg material 3.3
12
Embodied Energy, MJ/kg 47
160
Embodied Water, L/kg 110
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 160
210
Resilience: Unit (Modulus of Resilience), kJ/m3 1050 to 1920
220
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 31 to 37
18
Strength to Weight: Bending, points 26 to 29
17
Thermal Diffusivity, mm2/s 8.1
2.7
Thermal Shock Resistance, points 30 to 35
15

Alloy Composition

Carbon (C), % 0.080 to 0.15
0 to 0.020
Chromium (Cr), % 11 to 12.5
22 to 24
Iron (Fe), % 80.5 to 84.8
0 to 1.5
Manganese (Mn), % 0.4 to 0.9
0 to 1.0
Molybdenum (Mo), % 1.5 to 2.0
15 to 16.5
Nickel (Ni), % 2.0 to 3.0
56.4 to 63
Nitrogen (N), % 0.020 to 0.040
0
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.020
Vanadium (V), % 0.25 to 0.4
0