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Grade TDC Steel vs. EN 1.4525 Stainless Steel

Both grade TDC steel and EN 1.4525 stainless steel are iron alloys. They have 76% of their average alloy composition in common. There are 24 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 grade TDC steel and the bottom bar is EN 1.4525 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 1700
1030 to 1250

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
860
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
18
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
13
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
2.8
Embodied Energy, MJ/kg 19
39
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
36 to 45
Strength to Weight: Bending, points 40
29 to 33
Thermal Diffusivity, mm2/s 14
4.7
Thermal Shock Resistance, points 50
34 to 41

Alloy Composition

Carbon (C), % 0.6 to 0.75
0 to 0.070
Chromium (Cr), % 0 to 0.3
15 to 17
Copper (Cu), % 0 to 0.1
2.5 to 4.0
Iron (Fe), % 98 to 99.4
70.4 to 79
Manganese (Mn), % 0.5 to 1.2
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.8
Nickel (Ni), % 0
3.5 to 5.5
Niobium (Nb), % 0
0 to 0.35
Nitrogen (N), % 0
0 to 0.050
Phosphorus (P), % 0 to 0.020
0 to 0.035
Silicon (Si), % 0.1 to 0.35
0 to 0.8
Sulfur (S), % 0 to 0.020
0 to 0.025