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AISI 309HCb Stainless Steel vs. Grade TDSiCrV Steel

Both AISI 309HCb stainless steel and grade TDSiCrV steel are iron alloys. They have 63% of their average alloy composition in common. There are 25 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 AISI 309HCb stainless steel and the bottom bar is grade TDSiCrV steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
630
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
80
Tensile Strength: Ultimate (UTS), MPa 590
2100

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Mechanical, °C 1090
420
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
47
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 23
2.3
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 4.1
1.9
Embodied Energy, MJ/kg 59
26
Embodied Water, L/kg 170
50

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
75
Strength to Weight: Bending, points 20
47
Thermal Diffusivity, mm2/s 4.0
13
Thermal Shock Resistance, points 13
63

Alloy Composition

Carbon (C), % 0.040 to 0.1
0.5 to 0.7
Chromium (Cr), % 22 to 24
0.5 to 1.0
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 56 to 66
96.1 to 97.8
Manganese (Mn), % 0 to 2.0
0.4 to 0.9
Nickel (Ni), % 12 to 16
0
Niobium (Nb), % 0 to 1.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.020
Silicon (Si), % 0 to 0.75
1.2 to 1.7
Sulfur (S), % 0 to 0.030
0 to 0.020
Vanadium (V), % 0
0.1 to 0.25