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Grade TDSiCr Steel vs. S30600 Stainless Steel

Both grade TDSiCr steel and S30600 stainless steel are iron alloys. They have 65% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is grade TDSiCr steel and the bottom bar is S30600 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 590
180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.28
Reduction in Area, % 48
56
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 1950
610

Thermal Properties

Latent Heat of Fusion, J/g 270
350
Maximum Temperature: Mechanical, °C 410
950
Melting Completion (Liquidus), °C 1440
1380
Melting Onset (Solidus), °C 1400
1330
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 46
14
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
19
Density, g/cm3 7.7
7.6
Embodied Carbon, kg CO2/kg material 1.5
3.6
Embodied Energy, MJ/kg 20
51
Embodied Water, L/kg 48
150

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 70
22
Strength to Weight: Bending, points 45
21
Thermal Diffusivity, mm2/s 12
3.7
Thermal Shock Resistance, points 58
14

Alloy Composition

Carbon (C), % 0.5 to 0.6
0 to 0.018
Chromium (Cr), % 0.5 to 0.8
17 to 18.5
Copper (Cu), % 0 to 0.1
0 to 0.5
Iron (Fe), % 96.6 to 97.8
58.9 to 65.3
Manganese (Mn), % 0.5 to 0.9
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.2
Nickel (Ni), % 0
14 to 15.5
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 1.2 to 1.6
3.7 to 4.3
Sulfur (S), % 0 to 0.020
0 to 0.020