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EN 1.3566 Steel vs. EN 1.7108 Steel

Both EN 1.3566 steel and EN 1.7108 steel are iron alloys. They have a very high 98% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.3566 steel and the bottom bar is EN 1.7108 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 220
200 to 510
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 490 to 1380
670 to 2070

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 420
410
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 45
46
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
2.1
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.5
1.5
Embodied Energy, MJ/kg 20
20
Embodied Water, L/kg 52
47

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17 to 49
24 to 75
Strength to Weight: Bending, points 17 to 35
22 to 47
Thermal Diffusivity, mm2/s 12
12
Thermal Shock Resistance, points 14 to 40
20 to 63

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Carbon (C), % 0.12 to 0.18
0.57 to 0.65
Chromium (Cr), % 0.9 to 1.2
0.2 to 0.45
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 96.8 to 98.4
95.9 to 96.9
Manganese (Mn), % 0.6 to 0.9
0.7 to 1.0
Molybdenum (Mo), % 0.15 to 0.25
0
Oxygen (O), % 0 to 0.0020
0
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.4
1.6 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.025

Comparable Variants