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Grade FDSiCr Steel vs. S64512 Stainless Steel

Both grade FDSiCr steel and S64512 stainless steel are iron alloys. They have 84% 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 FDSiCr steel and the bottom bar is S64512 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 580
330
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Reduction in Area, % 42
34
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 1930
1140

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Maximum Temperature: Mechanical, °C 410
750
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 48
28
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
4.1

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
10
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.5
3.3
Embodied Energy, MJ/kg 20
47
Embodied Water, L/kg 48
110

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 69
40
Strength to Weight: Bending, points 44
31
Thermal Diffusivity, mm2/s 13
7.5
Thermal Shock Resistance, points 58
42

Alloy Composition

Carbon (C), % 0.5 to 0.6
0.080 to 0.15
Chromium (Cr), % 0.5 to 0.8
11 to 12.5
Copper (Cu), % 0 to 0.12
0
Iron (Fe), % 96.5 to 97.8
80.6 to 84.7
Manganese (Mn), % 0.5 to 0.9
0.5 to 0.9
Molybdenum (Mo), % 0
1.5 to 2.0
Nickel (Ni), % 0
2.0 to 3.0
Nitrogen (N), % 0
0.010 to 0.050
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 1.2 to 1.6
0 to 0.35
Sulfur (S), % 0 to 0.025
0 to 0.025
Vanadium (V), % 0
0.25 to 0.4