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EN 1.3505 Steel vs. EN 1.3520 Steel

Both EN 1.3505 steel and EN 1.3520 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.3505 steel and the bottom bar is EN 1.3520 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 210
190 to 220
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
72
Tensile Strength: Ultimate (UTS), MPa 600 to 690
620 to 730

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 430
430
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 45
43
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
2.6
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.5
Embodied Energy, MJ/kg 20
20
Embodied Water, L/kg 52
54

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22 to 25
22 to 26
Strength to Weight: Bending, points 20 to 22
21 to 23
Thermal Diffusivity, mm2/s 12
12
Thermal Shock Resistance, points 18 to 20
18 to 22

Alloy Composition

Aluminum (Al), % 0 to 0.050
0 to 0.050
Carbon (C), % 0.93 to 1.1
0.93 to 1.1
Chromium (Cr), % 1.4 to 1.6
1.4 to 1.7
Copper (Cu), % 0 to 0.3
0 to 0.3
Iron (Fe), % 97.1 to 98.3
95.9 to 97.2
Manganese (Mn), % 0.25 to 0.45
1.0 to 1.2
Molybdenum (Mo), % 0 to 0.1
0 to 0.1
Oxygen (O), % 0 to 0.0015
0 to 0.0015
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0.15 to 0.35
0.45 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030

Comparable Variants