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Grade CX2M Nickel vs. ASTM A387 Grade 5 Steel

Grade CX2M nickel belongs to the nickel alloys classification, while ASTM A387 grade 5 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 5 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 45
20 to 21
Fatigue Strength, MPa 260
160 to 240
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 84
74
Tensile Strength: Ultimate (UTS), MPa 550
500 to 600
Tensile Strength: Yield (Proof), MPa 310
230 to 350

Thermal Properties

Latent Heat of Fusion, J/g 330
260
Maximum Temperature: Mechanical, °C 990
510
Melting Completion (Liquidus), °C 1500
1460
Melting Onset (Solidus), °C 1450
1420
Specific Heat Capacity, J/kg-K 430
470
Thermal Conductivity, W/m-K 10
40
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 65
4.3
Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 12
1.7
Embodied Energy, MJ/kg 160
23
Embodied Water, L/kg 310
69

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
83 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 220
140 to 320
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 18
18 to 21
Strength to Weight: Bending, points 17
18 to 20
Thermal Diffusivity, mm2/s 2.7
11
Thermal Shock Resistance, points 15
14 to 17

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.15
Chromium (Cr), % 22 to 24
4.0 to 6.0
Iron (Fe), % 0 to 1.5
92.1 to 95.3
Manganese (Mn), % 0 to 1.0
0.3 to 0.6
Molybdenum (Mo), % 15 to 16.5
0.45 to 0.65
Nickel (Ni), % 56.4 to 63
0
Phosphorus (P), % 0 to 0.020
0 to 0.025
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.025