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Grade N12MV Nickel vs. ASTM Grade HL Steel

Grade N12MV nickel belongs to the nickel alloys classification, while ASTM grade HL steel belongs to the iron alloys. They have a modest 27% of their average alloy composition in common, which, by itself, doesn't mean much. There are 25 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 N12MV nickel and the bottom bar is ASTM grade HL steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
200
Elongation at Break, % 6.8
11
Fatigue Strength, MPa 130
150
Poisson's Ratio 0.31
0.27
Shear Modulus, GPa 84
80
Tensile Strength: Ultimate (UTS), MPa 600
500
Tensile Strength: Yield (Proof), MPa 310
270

Thermal Properties

Latent Heat of Fusion, J/g 320
320
Maximum Temperature: Mechanical, °C 900
1100
Melting Completion (Liquidus), °C 1620
1390
Melting Onset (Solidus), °C 1570
1340
Specific Heat Capacity, J/kg-K 390
490
Thermal Expansion, µm/m-K 10
17

Otherwise Unclassified Properties

Base Metal Price, % relative 75
27
Density, g/cm3 9.2
7.8
Embodied Carbon, kg CO2/kg material 16
4.5
Embodied Energy, MJ/kg 200
65
Embodied Water, L/kg 260
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 34
48
Resilience: Unit (Modulus of Resilience), kJ/m3 220
180
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 18
18
Strength to Weight: Bending, points 17
18
Thermal Shock Resistance, points 19
11

Alloy Composition

Carbon (C), % 0 to 0.12
0.2 to 0.6
Chromium (Cr), % 0 to 1.0
28 to 32
Iron (Fe), % 4.0 to 6.0
40.8 to 53.8
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 26 to 30
0 to 0.5
Nickel (Ni), % 60.2 to 69.8
18 to 22
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.040
Vanadium (V), % 0.2 to 0.6
0