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Grade TDSiCr Steel vs. S35045 Stainless Steel

Both grade TDSiCr steel and S35045 stainless steel are iron alloys. They have a modest 38% of their average alloy composition in common, which, by itself, doesn't mean much. 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 S35045 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
78
Tensile Strength: Ultimate (UTS), MPa 1950
540

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Maximum Temperature: Mechanical, °C 410
1100
Melting Completion (Liquidus), °C 1440
1390
Melting Onset (Solidus), °C 1400
1340
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
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
34
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 1.5
5.8
Embodied Energy, MJ/kg 20
83
Embodied Water, L/kg 48
230

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 70
19
Strength to Weight: Bending, points 45
19
Thermal Diffusivity, mm2/s 12
3.2
Thermal Shock Resistance, points 58
12

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.6
Carbon (C), % 0.5 to 0.6
0.060 to 0.1
Chromium (Cr), % 0.5 to 0.8
25 to 29
Copper (Cu), % 0 to 0.1
0 to 0.75
Iron (Fe), % 96.6 to 97.8
29.4 to 42.6
Manganese (Mn), % 0.5 to 0.9
0 to 1.5
Nickel (Ni), % 0
32 to 37
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 1.2 to 1.6
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.015
Titanium (Ti), % 0
0.15 to 0.6