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Grade TDSiCrV Steel vs. EN 1.4421 Stainless Steel

Both grade TDSiCrV steel and EN 1.4421 stainless steel are iron alloys. They have 79% 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 1.4421 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 2100
880 to 1100

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Mechanical, °C 420
870
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 47
16
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
12
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.9
2.6
Embodied Energy, MJ/kg 26
36
Embodied Water, L/kg 50
130

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 75
31 to 39
Strength to Weight: Bending, points 47
26 to 30
Thermal Diffusivity, mm2/s 13
4.4
Thermal Shock Resistance, points 63
31 to 39

Alloy Composition

Carbon (C), % 0.5 to 0.7
0 to 0.060
Chromium (Cr), % 0.5 to 1.0
15.5 to 17.5
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 96.1 to 97.8
74.4 to 80.5
Manganese (Mn), % 0.4 to 0.9
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.7
Nickel (Ni), % 0
4.0 to 5.5
Phosphorus (P), % 0 to 0.020
0 to 0.035
Silicon (Si), % 1.2 to 1.7
0 to 0.8
Sulfur (S), % 0 to 0.020
0 to 0.020
Vanadium (V), % 0.1 to 0.25
0