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Grade CX2M Nickel vs. EN 1.4458 Stainless Steel

Grade CX2M nickel belongs to the nickel alloys classification, while EN 1.4458 stainless steel belongs to the iron alloys. They have 52% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is grade CX2M nickel and the bottom bar is EN 1.4458 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
200
Elongation at Break, % 45
34
Fatigue Strength, MPa 260
150
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 84
78
Tensile Strength: Ultimate (UTS), MPa 550
510
Tensile Strength: Yield (Proof), MPa 310
190

Thermal Properties

Latent Heat of Fusion, J/g 330
300
Maximum Temperature: Mechanical, °C 990
1100
Melting Completion (Liquidus), °C 1500
1420
Melting Onset (Solidus), °C 1450
1370
Specific Heat Capacity, J/kg-K 430
470
Thermal Conductivity, W/m-K 10
16
Thermal Expansion, µm/m-K 12
15

Otherwise Unclassified Properties

Base Metal Price, % relative 65
30
Density, g/cm3 8.7
8.0
Embodied Carbon, kg CO2/kg material 12
5.4
Embodied Energy, MJ/kg 160
75
Embodied Water, L/kg 310
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
140
Resilience: Unit (Modulus of Resilience), kJ/m3 220
89
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 18
17
Strength to Weight: Bending, points 17
18
Thermal Diffusivity, mm2/s 2.7
4.2
Thermal Shock Resistance, points 15
12

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.030
Chromium (Cr), % 22 to 24
19 to 22
Copper (Cu), % 0
0 to 2.0
Iron (Fe), % 0 to 1.5
40.2 to 53
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 15 to 16.5
2.0 to 2.5
Nickel (Ni), % 56.4 to 63
26 to 30
Nitrogen (N), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.020
0 to 0.035
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.025