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Grade CX2M Nickel vs. ASTM A387 Grade 2 Steel

Grade CX2M nickel belongs to the nickel alloys classification, while ASTM A387 grade 2 steel belongs to the iron 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 grade CX2M nickel and the bottom bar is ASTM A387 grade 2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 45
25
Fatigue Strength, MPa 260
190 to 250
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 84
73
Tensile Strength: Ultimate (UTS), MPa 550
470 to 550
Tensile Strength: Yield (Proof), MPa 310
260 to 350

Thermal Properties

Latent Heat of Fusion, J/g 330
250
Maximum Temperature: Mechanical, °C 990
420
Melting Completion (Liquidus), °C 1500
1470
Melting Onset (Solidus), °C 1450
1420
Specific Heat Capacity, J/kg-K 430
470
Thermal Conductivity, W/m-K 10
45
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 65
2.6
Density, g/cm3 8.7
7.9
Embodied Carbon, kg CO2/kg material 12
1.6
Embodied Energy, MJ/kg 160
20
Embodied Water, L/kg 310
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
98 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 220
180 to 320
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 18
16 to 20
Strength to Weight: Bending, points 17
17 to 19
Thermal Diffusivity, mm2/s 2.7
12
Thermal Shock Resistance, points 15
14 to 16

Alloy Composition

Carbon (C), % 0 to 0.020
0.050 to 0.21
Chromium (Cr), % 22 to 24
0.5 to 0.8
Iron (Fe), % 0 to 1.5
97.1 to 98.3
Manganese (Mn), % 0 to 1.0
0.55 to 0.8
Molybdenum (Mo), % 15 to 16.5
0.45 to 0.6
Nickel (Ni), % 56.4 to 63
0
Phosphorus (P), % 0 to 0.020
0 to 0.025
Silicon (Si), % 0 to 0.5
0.15 to 0.4
Sulfur (S), % 0 to 0.020
0 to 0.025