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ACI-ASTM CA28MWV Steel vs. Grade CX2MW Nickel

ACI-ASTM CA28MWV steel belongs to the iron alloys classification, while grade CX2MW nickel belongs to the nickel alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CA28MWV steel and the bottom bar is grade CX2MW nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
220
Elongation at Break, % 11
34
Fatigue Strength, MPa 470
260
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
84
Tensile Strength: Ultimate (UTS), MPa 1080
620
Tensile Strength: Yield (Proof), MPa 870
350

Thermal Properties

Latent Heat of Fusion, J/g 270
330
Maximum Temperature: Mechanical, °C 740
980
Melting Completion (Liquidus), °C 1470
1550
Melting Onset (Solidus), °C 1430
1490
Specific Heat Capacity, J/kg-K 470
430
Thermal Conductivity, W/m-K 25
10
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.6
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 5.3
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 11
65
Density, g/cm3 7.9
8.9
Embodied Carbon, kg CO2/kg material 3.1
12
Embodied Energy, MJ/kg 44
170
Embodied Water, L/kg 100
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
180
Resilience: Unit (Modulus of Resilience), kJ/m3 1920
290
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 38
19
Strength to Weight: Bending, points 30
18
Thermal Diffusivity, mm2/s 6.6
2.7
Thermal Shock Resistance, points 40
17

Alloy Composition

Carbon (C), % 0.2 to 0.28
0 to 0.020
Chromium (Cr), % 11 to 12.5
20 to 22.5
Iron (Fe), % 81.4 to 85.8
2.0 to 6.0
Manganese (Mn), % 0.5 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.3
12.5 to 14.5
Nickel (Ni), % 0.5 to 1.0
51.3 to 63
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.025
Tungsten (W), % 0.9 to 1.3
2.5 to 3.5
Vanadium (V), % 0.2 to 0.3
0 to 0.35