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Grade FDSiCr Steel vs. EN 1.4855 Stainless Steel

Both grade FDSiCr steel and EN 1.4855 stainless steel are iron alloys. They have 50% of their average alloy composition in common. There are 23 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 grade FDSiCr steel and the bottom bar is EN 1.4855 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 580
150
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 1930
500

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Maximum Temperature: Mechanical, °C 410
1050
Melting Completion (Liquidus), °C 1440
1400
Melting Onset (Solidus), °C 1400
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 48
14
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
34
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.5
5.9
Embodied Energy, MJ/kg 20
85
Embodied Water, L/kg 48
200

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 69
18
Strength to Weight: Bending, points 44
18
Thermal Diffusivity, mm2/s 13
3.7
Thermal Shock Resistance, points 58
11

Alloy Composition

Carbon (C), % 0.5 to 0.6
0.3 to 0.5
Chromium (Cr), % 0.5 to 0.8
23 to 25
Copper (Cu), % 0 to 0.12
0
Iron (Fe), % 96.5 to 97.8
42.6 to 51.9
Manganese (Mn), % 0.5 to 0.9
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
23 to 25
Niobium (Nb), % 0
0.8 to 1.8
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 1.2 to 1.6
1.0 to 2.5
Sulfur (S), % 0 to 0.025
0 to 0.030