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S17400 Stainless Steel vs. Grade FDSiCrV Steel

Both S17400 stainless steel and grade FDSiCrV steel are iron alloys. They have 77% of their average alloy composition in common. There are 26 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 S17400 stainless steel and the bottom bar is grade FDSiCrV steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 280 to 440
630
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.28
0.29
Reduction in Area, % 40 to 62
42
Shear Modulus, GPa 75
80
Tensile Strength: Ultimate (UTS), MPa 910 to 1390
2100

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Maximum Temperature: Mechanical, °C 850
420
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
47
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 14
2.3
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.7
1.9
Embodied Energy, MJ/kg 39
26
Embodied Water, L/kg 130
50

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32 to 49
75
Strength to Weight: Bending, points 27 to 35
47
Thermal Diffusivity, mm2/s 4.5
13
Thermal Shock Resistance, points 30 to 46
63

Alloy Composition

Carbon (C), % 0 to 0.070
0.5 to 0.7
Chromium (Cr), % 15 to 17
0.5 to 1.0
Copper (Cu), % 3.0 to 5.0
0 to 0.12
Iron (Fe), % 70.4 to 78.9
96 to 97.8
Manganese (Mn), % 0 to 1.0
0.4 to 0.9
Nickel (Ni), % 3.0 to 5.0
0
Niobium (Nb), % 0.15 to 0.45
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
1.2 to 1.7
Sulfur (S), % 0 to 0.030
0 to 0.025
Vanadium (V), % 0
0.1 to 0.25