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Grade TDSiCr Steel vs. Nickel 80A

Grade TDSiCr steel belongs to the iron alloys classification, while nickel 80A belongs to the nickel alloys. There are 24 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 grade TDSiCr steel and the bottom bar is nickel 80A.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 80
74
Tensile Strength: Ultimate (UTS), MPa 1950
1040

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Maximum Temperature: Mechanical, °C 410
980
Melting Completion (Liquidus), °C 1440
1360
Melting Onset (Solidus), °C 1400
1310
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 46
11
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
55
Density, g/cm3 7.7
8.3
Embodied Carbon, kg CO2/kg material 1.5
9.8
Embodied Energy, MJ/kg 20
140
Embodied Water, L/kg 48
280

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 70
35
Strength to Weight: Bending, points 45
27
Thermal Diffusivity, mm2/s 12
2.9
Thermal Shock Resistance, points 58
31

Alloy Composition

Aluminum (Al), % 0
0.5 to 1.8
Carbon (C), % 0.5 to 0.6
0 to 0.1
Chromium (Cr), % 0.5 to 0.8
18 to 21
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 96.6 to 97.8
0 to 3.0
Manganese (Mn), % 0.5 to 0.9
0 to 1.0
Nickel (Ni), % 0
69.4 to 79.7
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 1.2 to 1.6
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.015
Titanium (Ti), % 0
1.8 to 2.7