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EN 1.6773 Steel vs. EN 1.3520 Steel

Both EN 1.6773 steel and EN 1.3520 steel are iron alloys. They have a very high 96% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.6773 steel and the bottom bar is EN 1.3520 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 340
190 to 220
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Tensile Strength: Ultimate (UTS), MPa 1120
620 to 730

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 450
430
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 46
43
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 9.2
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
2.6
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.9
1.5
Embodied Energy, MJ/kg 26
20
Embodied Water, L/kg 61
54

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 40
22 to 26
Strength to Weight: Bending, points 30
21 to 23
Thermal Diffusivity, mm2/s 12
12
Thermal Shock Resistance, points 33
18 to 22

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0.32 to 0.39
0.93 to 1.1
Chromium (Cr), % 1.6 to 2.0
1.4 to 1.7
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 92 to 93.9
95.9 to 97.2
Manganese (Mn), % 0.3 to 0.6
1.0 to 1.2
Molybdenum (Mo), % 0.25 to 0.45
0 to 0.1
Nickel (Ni), % 3.6 to 4.1
0
Oxygen (O), % 0
0 to 0.0015
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.4
0.45 to 0.75
Sulfur (S), % 0 to 0.025
0 to 0.030