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AISI 305 Stainless Steel vs. Grade FDSiCr Steel

Both AISI 305 stainless steel and grade FDSiCr steel are iron alloys. They have 71% 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 305 stainless steel and the bottom bar is grade FDSiCr steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 220
580
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
80
Tensile Strength: Ultimate (UTS), MPa 580 to 710
1930

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Mechanical, °C 540
410
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
48
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 16
2.2
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.2
1.5
Embodied Energy, MJ/kg 45
20
Embodied Water, L/kg 150
48

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20 to 25
69
Strength to Weight: Bending, points 20 to 23
44
Thermal Diffusivity, mm2/s 4.2
13
Thermal Shock Resistance, points 13 to 15
58

Alloy Composition

Carbon (C), % 0 to 0.12
0.5 to 0.6
Chromium (Cr), % 17 to 19
0.5 to 0.8
Copper (Cu), % 0
0 to 0.12
Iron (Fe), % 65.1 to 72.5
96.5 to 97.8
Manganese (Mn), % 0 to 2.0
0.5 to 0.9
Nickel (Ni), % 10.5 to 13
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 0.75
1.2 to 1.6
Sulfur (S), % 0 to 0.030
0 to 0.025