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Grade FDSiCr Steel vs. EN 1.4736 Stainless Steel

Both grade FDSiCr steel and EN 1.4736 stainless steel are iron alloys. They have 81% of their average alloy composition in common. There are 25 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 EN 1.4736 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 580
170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 1930
580

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Mechanical, °C 410
1000
Melting Completion (Liquidus), °C 1440
1420
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 48
21
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
9.0
Density, g/cm3 7.7
7.6
Embodied Carbon, kg CO2/kg material 1.5
2.4
Embodied Energy, MJ/kg 20
35
Embodied Water, L/kg 48
140

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 69
21
Strength to Weight: Bending, points 44
20
Thermal Diffusivity, mm2/s 13
5.6
Thermal Shock Resistance, points 58
21

Alloy Composition

Aluminum (Al), % 0
1.7 to 2.1
Carbon (C), % 0.5 to 0.6
0 to 0.040
Chromium (Cr), % 0.5 to 0.8
17 to 18
Copper (Cu), % 0 to 0.12
0
Iron (Fe), % 96.5 to 97.8
77 to 81.1
Manganese (Mn), % 0.5 to 0.9
0 to 1.0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 1.2 to 1.6
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.015
Titanium (Ti), % 0
0.2 to 0.8