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Nickel 30 vs. ASTM Grade HT Steel

Nickel 30 belongs to the nickel alloys classification, while ASTM grade HT steel belongs to the iron alloys. They have 68% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is nickel 30 and the bottom bar is ASTM grade HT steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 34
4.6
Fatigue Strength, MPa 200
130
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 82
76
Tensile Strength: Ultimate (UTS), MPa 660
500
Tensile Strength: Yield (Proof), MPa 270
270

Thermal Properties

Latent Heat of Fusion, J/g 320
310
Maximum Temperature: Mechanical, °C 1020
1010
Melting Completion (Liquidus), °C 1480
1390
Melting Onset (Solidus), °C 1430
1340
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 10
12
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 60
31
Density, g/cm3 8.5
8.0
Embodied Carbon, kg CO2/kg material 9.4
5.4
Embodied Energy, MJ/kg 130
76
Embodied Water, L/kg 290
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
19
Resilience: Unit (Modulus of Resilience), kJ/m3 180
180
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 22
18
Strength to Weight: Bending, points 20
18
Thermal Diffusivity, mm2/s 2.7
3.2
Thermal Shock Resistance, points 18
12

Alloy Composition

Carbon (C), % 0 to 0.030
0.35 to 0.75
Chromium (Cr), % 28 to 31.5
15 to 19
Cobalt (Co), % 0 to 5.0
0
Copper (Cu), % 1.0 to 2.4
0
Iron (Fe), % 13 to 17
38.2 to 51.7
Manganese (Mn), % 0 to 0.030
0 to 2.0
Molybdenum (Mo), % 4.0 to 6.0
0 to 0.5
Nickel (Ni), % 30.2 to 52.2
33 to 37
Niobium (Nb), % 0.3 to 1.5
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.8
0 to 2.5
Sulfur (S), % 0 to 0.020
0 to 0.040
Tungsten (W), % 1.5 to 4.0
0