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ASTM Grade HT Steel vs. Nickel 890

ASTM grade HT steel belongs to the iron alloys classification, while nickel 890 belongs to the nickel alloys. They have 80% 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 nickel 890.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 4.6
39
Fatigue Strength, MPa 130
180
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
78
Tensile Strength: Ultimate (UTS), MPa 500
590
Tensile Strength: Yield (Proof), MPa 270
230

Thermal Properties

Latent Heat of Fusion, J/g 310
330
Maximum Temperature: Mechanical, °C 1010
1000
Melting Completion (Liquidus), °C 1390
1390
Melting Onset (Solidus), °C 1340
1340
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 15
14

Otherwise Unclassified Properties

Base Metal Price, % relative 31
47
Density, g/cm3 8.0
8.1
Embodied Carbon, kg CO2/kg material 5.4
8.2
Embodied Energy, MJ/kg 76
120
Embodied Water, L/kg 190
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
180
Resilience: Unit (Modulus of Resilience), kJ/m3 180
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18
20
Strength to Weight: Bending, points 18
19
Thermal Shock Resistance, points 12
15

Alloy Composition

Aluminum (Al), % 0
0.050 to 0.6
Carbon (C), % 0.35 to 0.75
0.060 to 0.14
Chromium (Cr), % 15 to 19
23.5 to 28.5
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 38.2 to 51.7
17.3 to 33.9
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 0 to 0.5
1.0 to 2.0
Nickel (Ni), % 33 to 37
40 to 45
Niobium (Nb), % 0
0.2 to 1.0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 2.5
1.0 to 2.0
Sulfur (S), % 0 to 0.040
0 to 0.015
Tantalum (Ta), % 0
0.1 to 0.6
Titanium (Ti), % 0
0.15 to 0.6