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ASTM Grade HT Steel vs. N06650 Nickel

ASTM grade HT steel belongs to the iron alloys classification, while N06650 nickel belongs to the nickel alloys. They have 67% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HT steel and the bottom bar is N06650 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 4.6
50
Fatigue Strength, MPa 130
420
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
82
Tensile Strength: Ultimate (UTS), MPa 500
900
Tensile Strength: Yield (Proof), MPa 270
460

Thermal Properties

Latent Heat of Fusion, J/g 310
320
Maximum Temperature: Mechanical, °C 1010
980
Melting Completion (Liquidus), °C 1390
1500
Melting Onset (Solidus), °C 1340
1450
Specific Heat Capacity, J/kg-K 480
440
Thermal Expansion, µm/m-K 15
12

Otherwise Unclassified Properties

Base Metal Price, % relative 31
60
Density, g/cm3 8.0
8.6
Embodied Carbon, kg CO2/kg material 5.4
10
Embodied Energy, MJ/kg 76
140
Embodied Water, L/kg 190
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
380
Resilience: Unit (Modulus of Resilience), kJ/m3 180
490
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 18
29
Strength to Weight: Bending, points 18
24
Thermal Shock Resistance, points 12
24

Alloy Composition

Aluminum (Al), % 0
0.050 to 0.5
Carbon (C), % 0.35 to 0.75
0 to 0.030
Chromium (Cr), % 15 to 19
19 to 21
Cobalt (Co), % 0
0 to 1.0
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 38.2 to 51.7
12 to 16
Manganese (Mn), % 0 to 2.0
0 to 0.5
Molybdenum (Mo), % 0 to 0.5
9.5 to 12.5
Nickel (Ni), % 33 to 37
44.4 to 58.9
Niobium (Nb), % 0
0.050 to 0.5
Nitrogen (N), % 0
0.050 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 2.5
0 to 0.5
Sulfur (S), % 0 to 0.040
0 to 0.010
Tungsten (W), % 0
0.5 to 2.5