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Grade CX2MW Nickel vs. SAE-AISI 4137 Steel

Grade CX2MW nickel belongs to the nickel alloys classification, while SAE-AISI 4137 steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is grade CX2MW nickel and the bottom bar is SAE-AISI 4137 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 34
23
Fatigue Strength, MPa 260
240
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 84
73
Tensile Strength: Ultimate (UTS), MPa 620
550
Tensile Strength: Yield (Proof), MPa 350
340

Thermal Properties

Latent Heat of Fusion, J/g 330
250
Maximum Temperature: Mechanical, °C 980
420
Melting Completion (Liquidus), °C 1550
1460
Melting Onset (Solidus), °C 1490
1420
Specific Heat Capacity, J/kg-K 430
470
Thermal Conductivity, W/m-K 10
45
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 65
2.4
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 12
1.5
Embodied Energy, MJ/kg 170
20
Embodied Water, L/kg 290
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
110
Resilience: Unit (Modulus of Resilience), kJ/m3 290
310
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 19
20
Strength to Weight: Bending, points 18
19
Thermal Diffusivity, mm2/s 2.7
12
Thermal Shock Resistance, points 17
18

Alloy Composition

Carbon (C), % 0 to 0.020
0.35 to 0.4
Chromium (Cr), % 20 to 22.5
0.8 to 1.1
Iron (Fe), % 2.0 to 6.0
96.9 to 97.9
Manganese (Mn), % 0 to 1.0
0.7 to 0.9
Molybdenum (Mo), % 12.5 to 14.5
0.15 to 0.25
Nickel (Ni), % 51.3 to 63
0
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.8
0.15 to 0.35
Sulfur (S), % 0 to 0.025
0 to 0.040
Tungsten (W), % 2.5 to 3.5
0
Vanadium (V), % 0 to 0.35
0