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Grade FDSiCrV Steel vs. EN 1.4618 Stainless Steel

Both grade FDSiCrV steel and EN 1.4618 stainless steel are iron alloys. They have 70% 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 grade FDSiCrV steel and the bottom bar is EN 1.4618 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 630
200 to 210
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 2100
680 to 700

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Mechanical, °C 420
900
Melting Completion (Liquidus), °C 1440
1400
Melting Onset (Solidus), °C 1400
1360
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 47
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
13
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 1.9
2.7
Embodied Energy, MJ/kg 26
39
Embodied Water, L/kg 50
150

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 75
24 to 25
Strength to Weight: Bending, points 47
22 to 23
Thermal Diffusivity, mm2/s 13
4.0
Thermal Shock Resistance, points 63
15 to 16

Alloy Composition

Carbon (C), % 0.5 to 0.7
0 to 0.1
Chromium (Cr), % 0.5 to 1.0
16.5 to 18.5
Copper (Cu), % 0 to 0.12
1.0 to 2.5
Iron (Fe), % 96 to 97.8
62.7 to 72.5
Manganese (Mn), % 0.4 to 0.9
5.5 to 9.5
Nickel (Ni), % 0
4.5 to 5.5
Nitrogen (N), % 0
0 to 0.15
Phosphorus (P), % 0 to 0.030
0 to 0.070
Silicon (Si), % 1.2 to 1.7
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.010
Vanadium (V), % 0.1 to 0.25
0