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ASTM Grade HT Steel vs. N07716 Nickel

ASTM grade HT steel belongs to the iron alloys classification, while N07716 nickel belongs to the nickel alloys. They have 58% of their average alloy composition in common. 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 ASTM grade HT steel and the bottom bar is N07716 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 4.6
34
Fatigue Strength, MPa 130
690
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
78
Tensile Strength: Ultimate (UTS), MPa 500
860
Tensile Strength: Yield (Proof), MPa 270
350

Thermal Properties

Latent Heat of Fusion, J/g 310
320
Maximum Temperature: Mechanical, °C 1010
980
Melting Completion (Liquidus), °C 1390
1480
Melting Onset (Solidus), °C 1340
1430
Specific Heat Capacity, J/kg-K 480
440
Thermal Conductivity, W/m-K 12
11
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 31
75
Density, g/cm3 8.0
8.5
Embodied Carbon, kg CO2/kg material 5.4
13
Embodied Energy, MJ/kg 76
190
Embodied Water, L/kg 190
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
240
Resilience: Unit (Modulus of Resilience), kJ/m3 180
300
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 18
28
Strength to Weight: Bending, points 18
24
Thermal Diffusivity, mm2/s 3.2
2.8
Thermal Shock Resistance, points 12
24

Alloy Composition

Aluminum (Al), % 0
0 to 0.35
Carbon (C), % 0.35 to 0.75
0 to 0.030
Chromium (Cr), % 15 to 19
19 to 22
Iron (Fe), % 38.2 to 51.7
0 to 11.3
Manganese (Mn), % 0 to 2.0
0 to 0.2
Molybdenum (Mo), % 0 to 0.5
7.0 to 9.5
Nickel (Ni), % 33 to 37
59 to 63
Niobium (Nb), % 0
2.8 to 4.0
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 to 2.5
0 to 0.2
Sulfur (S), % 0 to 0.040
0 to 0.010
Titanium (Ti), % 0
1.0 to 1.6