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Grade TDSiCrV Steel vs. S39274 Stainless Steel

Both grade TDSiCrV steel and S39274 stainless steel are iron alloys. They have 63% of their average alloy composition in common. There are 26 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 TDSiCrV steel and the bottom bar is S39274 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 630
270
Elastic (Young's, Tensile) Modulus, GPa 190
210
Poisson's Ratio 0.29
0.27
Reduction in Area, % 48
34
Shear Modulus, GPa 80
81
Tensile Strength: Ultimate (UTS), MPa 2100
900

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Mechanical, °C 420
1100
Melting Completion (Liquidus), °C 1440
1480
Melting Onset (Solidus), °C 1400
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 47
16
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
24
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 1.9
4.3
Embodied Energy, MJ/kg 26
60
Embodied Water, L/kg 50
180

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 75
32
Strength to Weight: Bending, points 47
26
Thermal Diffusivity, mm2/s 13
4.2
Thermal Shock Resistance, points 63
25

Alloy Composition

Carbon (C), % 0.5 to 0.7
0 to 0.030
Chromium (Cr), % 0.5 to 1.0
24 to 26
Copper (Cu), % 0 to 0.1
0.2 to 0.8
Iron (Fe), % 96.1 to 97.8
57 to 65.6
Manganese (Mn), % 0.4 to 0.9
0 to 1.0
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 0
6.0 to 8.0
Nitrogen (N), % 0
0.24 to 0.32
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 1.2 to 1.7
0 to 0.8
Sulfur (S), % 0 to 0.020
0 to 0.020
Tungsten (W), % 0
1.5 to 2.5
Vanadium (V), % 0.1 to 0.25
0