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ASTM Grade HT Steel vs. Grade CZ100 Nickel

ASTM grade HT steel belongs to the iron alloys classification, while grade CZ100 nickel belongs to the nickel alloys. They have a modest 39% 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 (3, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HT steel and the bottom bar is grade CZ100 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
180
Elongation at Break, % 4.6
11
Fatigue Strength, MPa 130
68
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 76
69
Tensile Strength: Ultimate (UTS), MPa 500
390
Tensile Strength: Yield (Proof), MPa 270
140

Thermal Properties

Latent Heat of Fusion, J/g 310
310
Maximum Temperature: Mechanical, °C 1010
900
Melting Completion (Liquidus), °C 1390
1350
Melting Onset (Solidus), °C 1340
1300
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 12
73
Thermal Expansion, µm/m-K 15
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
19
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
19

Otherwise Unclassified Properties

Base Metal Price, % relative 31
60
Density, g/cm3 8.0
8.8
Embodied Carbon, kg CO2/kg material 5.4
10
Embodied Energy, MJ/kg 76
140
Embodied Water, L/kg 190
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
35
Resilience: Unit (Modulus of Resilience), kJ/m3 180
54
Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 18
12
Strength to Weight: Bending, points 18
14
Thermal Diffusivity, mm2/s 3.2
19
Thermal Shock Resistance, points 12
14

Alloy Composition

Carbon (C), % 0.35 to 0.75
0 to 1.0
Chromium (Cr), % 15 to 19
0
Copper (Cu), % 0
0 to 1.3
Iron (Fe), % 38.2 to 51.7
0 to 3.0
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 33 to 37
95 to 100
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 2.5
0 to 2.0
Sulfur (S), % 0 to 0.040
0 to 0.030