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Grade TDSiCr Steel vs. Nickel 908

Grade TDSiCr steel belongs to the iron alloys classification, while nickel 908 belongs to the nickel alloys. They have 42% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is grade TDSiCr steel and the bottom bar is nickel 908.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
180
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 80
70
Tensile Strength: Ultimate (UTS), MPa 1950
1340

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Mechanical, °C 410
920
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 46
11
Thermal Expansion, µm/m-K 13
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
50
Density, g/cm3 7.7
8.3
Embodied Carbon, kg CO2/kg material 1.5
9.3
Embodied Energy, MJ/kg 20
140
Embodied Water, L/kg 48
170

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 70
45
Strength to Weight: Bending, points 45
33
Thermal Diffusivity, mm2/s 12
2.9
Thermal Shock Resistance, points 58
61

Alloy Composition

Aluminum (Al), % 0
0.75 to 1.3
Boron (B), % 0
0 to 0.012
Carbon (C), % 0.5 to 0.6
0 to 0.030
Chromium (Cr), % 0.5 to 0.8
3.8 to 4.5
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 0 to 0.1
0 to 0.5
Iron (Fe), % 96.6 to 97.8
35.6 to 44.6
Manganese (Mn), % 0.5 to 0.9
0 to 1.0
Nickel (Ni), % 0
47 to 51
Niobium (Nb), % 0
2.7 to 3.3
Phosphorus (P), % 0 to 0.025
0 to 0.015
Silicon (Si), % 1.2 to 1.6
0 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.0050
Titanium (Ti), % 0
1.2 to 1.8