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Grade TDSiCr Steel vs. Nickel 617

Grade TDSiCr steel belongs to the iron alloys classification, while nickel 617 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 617.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 80
80
Tensile Strength: Ultimate (UTS), MPa 1950
740

Thermal Properties

Latent Heat of Fusion, J/g 270
330
Maximum Temperature: Mechanical, °C 410
1010
Melting Completion (Liquidus), °C 1440
1380
Melting Onset (Solidus), °C 1400
1330
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 46
13
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
75
Density, g/cm3 7.7
8.5
Embodied Carbon, kg CO2/kg material 1.5
10
Embodied Energy, MJ/kg 20
140
Embodied Water, L/kg 48
350

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 70
24
Strength to Weight: Bending, points 45
21
Thermal Diffusivity, mm2/s 12
3.5
Thermal Shock Resistance, points 58
21

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.5
Boron (B), % 0
0 to 0.0060
Carbon (C), % 0.5 to 0.6
0.050 to 0.15
Chromium (Cr), % 0.5 to 0.8
20 to 24
Cobalt (Co), % 0
10 to 15
Copper (Cu), % 0 to 0.1
0 to 0.5
Iron (Fe), % 96.6 to 97.8
0 to 3.0
Manganese (Mn), % 0.5 to 0.9
0 to 1.0
Molybdenum (Mo), % 0
8.0 to 10
Nickel (Ni), % 0
44.5 to 62
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