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Grade TDC Steel vs. EN 1.4911 Stainless Steel

Both grade TDC steel and EN 1.4911 stainless steel are iron alloys. They have 81% 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 TDC steel and the bottom bar is EN 1.4911 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
76
Tensile Strength: Ultimate (UTS), MPa 1700
1070

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 400
700
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
20
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
20
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
3.4
Embodied Energy, MJ/kg 19
49
Embodied Water, L/kg 47
130

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 60
38
Strength to Weight: Bending, points 40
30
Thermal Diffusivity, mm2/s 14
5.4
Thermal Shock Resistance, points 50
37

Alloy Composition

Boron (B), % 0
0.0050 to 0.015
Carbon (C), % 0.6 to 0.75
0.050 to 0.12
Chromium (Cr), % 0 to 0.3
9.8 to 11.2
Cobalt (Co), % 0
5.0 to 7.0
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 98 to 99.4
75.7 to 83.8
Manganese (Mn), % 0.5 to 1.2
0.3 to 1.3
Molybdenum (Mo), % 0
0.5 to 1.0
Nickel (Ni), % 0
0.2 to 1.2
Niobium (Nb), % 0
0.2 to 0.5
Nitrogen (N), % 0
0 to 0.035
Phosphorus (P), % 0 to 0.020
0 to 0.025
Silicon (Si), % 0.1 to 0.35
0.1 to 0.8
Sulfur (S), % 0 to 0.020
0 to 0.015
Tungsten (W), % 0
0 to 0.7
Vanadium (V), % 0
0.1 to 0.4