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Grade TDSiCrV Steel vs. EN 1.4008 Stainless Steel

Both grade TDSiCrV steel and EN 1.4008 stainless steel are iron alloys. They have 86% 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 TDSiCrV steel and the bottom bar is EN 1.4008 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 2100
670

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Mechanical, °C 420
760
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 47
25
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
8.0
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.9
2.1
Embodied Energy, MJ/kg 26
30
Embodied Water, L/kg 50
100

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 75
24
Strength to Weight: Bending, points 47
22
Thermal Diffusivity, mm2/s 13
6.7
Thermal Shock Resistance, points 63
23

Alloy Composition

Carbon (C), % 0.5 to 0.7
0 to 0.1
Chromium (Cr), % 0.5 to 1.0
12 to 13.5
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 96.1 to 97.8
81.8 to 86.8
Manganese (Mn), % 0.4 to 0.9
0 to 1.0
Molybdenum (Mo), % 0
0.2 to 0.5
Nickel (Ni), % 0
1.0 to 2.0
Phosphorus (P), % 0 to 0.020
0 to 0.035
Silicon (Si), % 1.2 to 1.7
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.025
Vanadium (V), % 0.1 to 0.25
0