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Grade TDSiCr Steel vs. EN 1.4347 Stainless Steel

Both grade TDSiCr steel and EN 1.4347 stainless steel are iron alloys. They have 68% 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 EN 1.4347 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 80
79
Tensile Strength: Ultimate (UTS), MPa 1950
660

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Mechanical, °C 410
1100
Melting Completion (Liquidus), °C 1440
1410
Melting Onset (Solidus), °C 1400
1370
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 46
15
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
16
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 1.5
3.1
Embodied Energy, MJ/kg 20
44
Embodied Water, L/kg 48
170

Common Calculations

Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 70
24
Strength to Weight: Bending, points 45
22
Thermal Diffusivity, mm2/s 12
4.0
Thermal Shock Resistance, points 58
19

Alloy Composition

Carbon (C), % 0.5 to 0.6
0 to 0.050
Chromium (Cr), % 0.5 to 0.8
25 to 27
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 96.6 to 97.8
62.2 to 69.4
Manganese (Mn), % 0.5 to 0.9
0 to 1.5
Nickel (Ni), % 0
5.5 to 7.5
Nitrogen (N), % 0
0.1 to 0.2
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 1.2 to 1.6
0 to 1.5
Sulfur (S), % 0 to 0.020
0 to 0.020