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EN 1.4901 Stainless Steel vs. Grade TDC Steel

Both EN 1.4901 stainless steel and grade TDC steel are iron alloys. They have 88% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is EN 1.4901 stainless steel and the bottom bar is grade TDC steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
80
Tensile Strength: Ultimate (UTS), MPa 740
1700

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 650
400
Melting Completion (Liquidus), °C 1490
1450
Melting Onset (Solidus), °C 1450
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 26
51
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.2
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 11
1.9
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.4
Embodied Energy, MJ/kg 40
19
Embodied Water, L/kg 89
47

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
60
Strength to Weight: Bending, points 23
40
Thermal Diffusivity, mm2/s 6.9
14
Thermal Shock Resistance, points 23
50

Alloy Composition

Aluminum (Al), % 0 to 0.020
0
Boron (B), % 0.0010 to 0.0060
0
Carbon (C), % 0.070 to 0.13
0.6 to 0.75
Chromium (Cr), % 8.5 to 9.5
0 to 0.3
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 85.8 to 89.1
98 to 99.4
Manganese (Mn), % 0.3 to 0.6
0.5 to 1.2
Molybdenum (Mo), % 0.3 to 0.6
0
Nickel (Ni), % 0 to 0.4
0
Niobium (Nb), % 0.040 to 0.090
0
Nitrogen (N), % 0.030 to 0.070
0
Phosphorus (P), % 0 to 0.020
0 to 0.020
Silicon (Si), % 0 to 0.5
0.1 to 0.35
Sulfur (S), % 0 to 0.010
0 to 0.020
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 1.5 to 2.0
0
Vanadium (V), % 0.15 to 0.25
0
Zirconium (Zr), % 0 to 0.010
0