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EN 1.4821 Stainless Steel vs. Grade TDSiCrV Steel

Both EN 1.4821 stainless steel and grade TDSiCrV steel are iron alloys. They have 70% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.4821 stainless steel and the bottom bar is grade TDSiCrV steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
630
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
80
Tensile Strength: Ultimate (UTS), MPa 730
2100

Thermal Properties

Latent Heat of Fusion, J/g 310
270
Maximum Temperature: Mechanical, °C 1100
420
Melting Completion (Liquidus), °C 1410
1440
Melting Onset (Solidus), °C 1370
1400
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 17
47
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 15
2.3
Density, g/cm3 7.6
7.7
Embodied Carbon, kg CO2/kg material 2.9
1.9
Embodied Energy, MJ/kg 41
26
Embodied Water, L/kg 160
50

Common Calculations

Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 26
75
Strength to Weight: Bending, points 23
47
Thermal Diffusivity, mm2/s 4.6
13
Thermal Shock Resistance, points 21
63

Alloy Composition

Carbon (C), % 0.1 to 0.2
0.5 to 0.7
Chromium (Cr), % 24.5 to 26.5
0.5 to 1.0
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 64.2 to 71.1
96.1 to 97.8
Manganese (Mn), % 0 to 2.0
0.4 to 0.9
Nickel (Ni), % 3.5 to 5.5
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0.8 to 1.5
1.2 to 1.7
Sulfur (S), % 0 to 0.015
0 to 0.020
Vanadium (V), % 0
0.1 to 0.25