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N10665 Nickel vs. ASTM Grade HT Steel

N10665 nickel belongs to the nickel alloys classification, while ASTM grade HT steel belongs to the iron alloys. They have a modest 37% of their average alloy composition in common, which, by itself, doesn't mean much. There are 29 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 N10665 nickel and the bottom bar is ASTM grade HT steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 45
4.6
Fatigue Strength, MPa 340
130
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 84
76
Tensile Strength: Ultimate (UTS), MPa 860
500
Tensile Strength: Yield (Proof), MPa 400
270

Thermal Properties

Latent Heat of Fusion, J/g 310
310
Maximum Temperature: Mechanical, °C 900
1010
Melting Completion (Liquidus), °C 1620
1390
Melting Onset (Solidus), °C 1570
1340
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 11
12
Thermal Expansion, µm/m-K 10
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 1.2
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 75
31
Density, g/cm3 9.3
8.0
Embodied Carbon, kg CO2/kg material 15
5.4
Embodied Energy, MJ/kg 200
76
Embodied Water, L/kg 270
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
19
Resilience: Unit (Modulus of Resilience), kJ/m3 360
180
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 26
18
Strength to Weight: Bending, points 22
18
Thermal Diffusivity, mm2/s 3.1
3.2
Thermal Shock Resistance, points 27
12

Alloy Composition

Carbon (C), % 0 to 0.020
0.35 to 0.75
Chromium (Cr), % 0 to 1.0
15 to 19
Cobalt (Co), % 0 to 1.0
0
Iron (Fe), % 0 to 2.0
38.2 to 51.7
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 26 to 30
0 to 0.5
Nickel (Ni), % 64.8 to 74
33 to 37
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.1
0 to 2.5
Sulfur (S), % 0 to 0.030
0 to 0.040