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Grade FDSiCr Steel vs. EN 1.7003 Steel

Both grade FDSiCr steel and EN 1.7003 steel are iron alloys. They have a very high 99% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is grade FDSiCr steel and the bottom bar is EN 1.7003 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 580
150 to 200
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 1930
520 to 1780

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 410
410
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
46
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
2.0
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.4
Embodied Energy, MJ/kg 20
19
Embodied Water, L/kg 48
48

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 69
18 to 63
Strength to Weight: Bending, points 44
18 to 42
Thermal Diffusivity, mm2/s 13
12
Thermal Shock Resistance, points 58
15 to 53

Alloy Composition

Carbon (C), % 0.5 to 0.6
0.35 to 0.42
Chromium (Cr), % 0.5 to 0.8
0.4 to 0.6
Copper (Cu), % 0 to 0.12
0
Iron (Fe), % 96.5 to 97.8
97.7 to 98.8
Manganese (Mn), % 0.5 to 0.9
0.5 to 0.8
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 1.2 to 1.6
0 to 0.4
Sulfur (S), % 0 to 0.025
0 to 0.035