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Grade TDSiCr Steel vs. N08801 Stainless Steel

Both grade TDSiCr steel and N08801 stainless steel are iron alloys. They have 47% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is grade TDSiCr steel and the bottom bar is N08801 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 1950
860

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Mechanical, °C 410
1090
Melting Completion (Liquidus), °C 1440
1390
Melting Onset (Solidus), °C 1400
1360
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 46
12
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
30
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 1.5
5.5
Embodied Energy, MJ/kg 20
79
Embodied Water, L/kg 48
200

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 70
30
Strength to Weight: Bending, points 45
25
Thermal Diffusivity, mm2/s 12
3.3
Thermal Shock Resistance, points 58
20

Alloy Composition

Carbon (C), % 0.5 to 0.6
0 to 0.1
Chromium (Cr), % 0.5 to 0.8
19 to 22
Copper (Cu), % 0 to 0.1
0 to 0.5
Iron (Fe), % 96.6 to 97.8
39.5 to 50.3
Manganese (Mn), % 0.5 to 0.9
0 to 1.5
Nickel (Ni), % 0
30 to 34
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
0.75 to 1.5