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Grade M30C Nickel vs. ASTM A387 Grade 2 Steel

Grade M30C nickel belongs to the nickel alloys classification, while ASTM A387 grade 2 steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is grade M30C nickel and the bottom bar is ASTM A387 grade 2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
190
Elongation at Break, % 29
25
Fatigue Strength, MPa 170
190 to 250
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 61
73
Tensile Strength: Ultimate (UTS), MPa 510
470 to 550
Tensile Strength: Yield (Proof), MPa 250
260 to 350

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 900
420
Melting Completion (Liquidus), °C 1290
1470
Melting Onset (Solidus), °C 1240
1420
Specific Heat Capacity, J/kg-K 430
470
Thermal Conductivity, W/m-K 22
45
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.3
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 60
2.6
Density, g/cm3 8.8
7.9
Embodied Carbon, kg CO2/kg material 9.5
1.6
Embodied Energy, MJ/kg 140
20
Embodied Water, L/kg 250
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
98 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 200
180 to 320
Stiffness to Weight: Axial, points 10
13
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 16
16 to 20
Strength to Weight: Bending, points 16
17 to 19
Thermal Diffusivity, mm2/s 5.7
12
Thermal Shock Resistance, points 18
14 to 16

Alloy Composition

Carbon (C), % 0 to 0.3
0.050 to 0.21
Chromium (Cr), % 0
0.5 to 0.8
Copper (Cu), % 26 to 33
0
Iron (Fe), % 0 to 3.5
97.1 to 98.3
Manganese (Mn), % 0 to 1.5
0.55 to 0.8
Molybdenum (Mo), % 0
0.45 to 0.6
Nickel (Ni), % 56.6 to 72
0
Niobium (Nb), % 1.0 to 3.0
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 1.0 to 2.0
0.15 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.025