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EN 1.7703 Steel vs. Grade FDCrV Steel

Both EN 1.7703 steel and grade FDCrV steel are iron alloys. They have a very high 97% 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 EN 1.7703 steel and the bottom bar is grade FDCrV steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 210
540
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
80
Tensile Strength: Ultimate (UTS), MPa 670 to 690
1800

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 460
410
Melting Completion (Liquidus), °C 1470
1450
Melting Onset (Solidus), °C 1430
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 39
48
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 4.2
2.1
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.5
1.9
Embodied Energy, MJ/kg 35
26
Embodied Water, L/kg 61
49

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24
64
Strength to Weight: Bending, points 22
42
Thermal Diffusivity, mm2/s 11
13
Thermal Shock Resistance, points 19 to 20
53

Alloy Composition

Carbon (C), % 0.11 to 0.15
0.62 to 0.72
Chromium (Cr), % 2.0 to 2.5
0.4 to 0.6
Copper (Cu), % 0 to 0.2
0 to 0.12
Iron (Fe), % 94.6 to 96.4
97.8 to 98.8
Manganese (Mn), % 0.3 to 0.6
0.5 to 0.9
Molybdenum (Mo), % 0.9 to 1.1
0
Nickel (Ni), % 0 to 0.25
0
Niobium (Nb), % 0 to 0.070
0
Nitrogen (N), % 0 to 0.012
0
Phosphorus (P), % 0 to 0.015
0 to 0.030
Silicon (Si), % 0 to 0.1
0.15 to 0.3
Sulfur (S), % 0 to 0.0050
0 to 0.025
Titanium (Ti), % 0 to 0.030
0
Vanadium (V), % 0.25 to 0.35
0.15 to 0.25