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Grade TDC Steel vs. S15700 Stainless Steel

Both grade TDC steel and S15700 stainless steel are iron alloys. They have 74% 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 grade TDC steel and the bottom bar is S15700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 510
200 to 460
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 1700
1180 to 1890

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
870
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
16
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
15
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
3.4
Embodied Energy, MJ/kg 19
47
Embodied Water, L/kg 47
140

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 60
42 to 67
Strength to Weight: Bending, points 40
32 to 43
Thermal Diffusivity, mm2/s 14
4.2
Thermal Shock Resistance, points 50
39 to 63

Alloy Composition

Aluminum (Al), % 0
0.75 to 1.5
Carbon (C), % 0.6 to 0.75
0 to 0.090
Chromium (Cr), % 0 to 0.3
14 to 16
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 98 to 99.4
69.6 to 76.8
Manganese (Mn), % 0.5 to 1.2
0 to 1.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0
6.5 to 7.7
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0.1 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030