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Grade TDC Steel vs. S20910 Stainless Steel

Both grade TDC steel and S20910 stainless steel are iron alloys. They have 58% 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 S20910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 510
230 to 290
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Reduction in Area, % 50
56 to 62
Shear Modulus, GPa 80
79
Tensile Strength: Ultimate (UTS), MPa 1700
780 to 940

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 400
1080
Melting Completion (Liquidus), °C 1450
1420
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
13
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
22
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
4.8
Embodied Energy, MJ/kg 19
68
Embodied Water, L/kg 47
180

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 60
28 to 33
Strength to Weight: Bending, points 40
24 to 27
Thermal Diffusivity, mm2/s 14
3.6
Thermal Shock Resistance, points 50
17 to 21

Alloy Composition

Carbon (C), % 0.6 to 0.75
0 to 0.060
Chromium (Cr), % 0 to 0.3
20.5 to 23.5
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 98 to 99.4
52.1 to 62.1
Manganese (Mn), % 0.5 to 1.2
4.0 to 6.0
Molybdenum (Mo), % 0
1.5 to 3.0
Nickel (Ni), % 0
11.5 to 13.5
Niobium (Nb), % 0
0.1 to 0.3
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0.1 to 0.35
0 to 0.75
Sulfur (S), % 0 to 0.020
0 to 0.030
Vanadium (V), % 0
0.1 to 0.3