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Grade N12MV Nickel vs. ASTM A372 Grade H Steel

Grade N12MV nickel belongs to the nickel alloys classification, while ASTM A372 grade H steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is grade N12MV nickel and the bottom bar is ASTM A372 grade H steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 6.8
20 to 22
Fatigue Strength, MPa 130
310 to 380
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 84
73
Tensile Strength: Ultimate (UTS), MPa 600
650 to 910
Tensile Strength: Yield (Proof), MPa 310
430 to 550

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 900
410
Melting Completion (Liquidus), °C 1620
1460
Melting Onset (Solidus), °C 1570
1420
Specific Heat Capacity, J/kg-K 390
470
Thermal Expansion, µm/m-K 10
13

Otherwise Unclassified Properties

Base Metal Price, % relative 75
2.3
Density, g/cm3 9.2
7.8
Embodied Carbon, kg CO2/kg material 16
1.5
Embodied Energy, MJ/kg 200
20
Embodied Water, L/kg 260
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 34
130 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 220
500 to 810
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 18
23 to 32
Strength to Weight: Bending, points 17
21 to 27
Thermal Shock Resistance, points 19
19 to 27

Alloy Composition

Carbon (C), % 0 to 0.12
0.3 to 0.4
Chromium (Cr), % 0 to 1.0
0.4 to 0.65
Iron (Fe), % 4.0 to 6.0
97.3 to 98.3
Manganese (Mn), % 0 to 1.0
0.75 to 1.1
Molybdenum (Mo), % 26 to 30
0.15 to 0.25
Nickel (Ni), % 60.2 to 69.8
0
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.010
Vanadium (V), % 0.2 to 0.6
0