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EN 1.0107 Steel vs. EN 1.0108 Steel

Both EN 1.0107 steel and EN 1.0108 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.0107 steel and the bottom bar is EN 1.0108 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
110
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 29
29
Fatigue Strength, MPa 160
150
Impact Strength: V-Notched Charpy, J 38
38
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 250
250
Tensile Strength: Ultimate (UTS), MPa 380
380
Tensile Strength: Yield (Proof), MPa 210
200

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
50
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
2.1
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.5
1.5
Embodied Energy, MJ/kg 19
19
Embodied Water, L/kg 47
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 95
94
Resilience: Unit (Modulus of Resilience), kJ/m3 110
110
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 13
13
Strength to Weight: Bending, points 15
15
Thermal Diffusivity, mm2/s 14
13
Thermal Shock Resistance, points 12
12

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.2
Carbon (C), % 0 to 0.13
0 to 0.13
Chromium (Cr), % 0 to 0.3
0 to 0.3
Copper (Cu), % 0 to 0.3
0 to 0.3
Iron (Fe), % 97.7 to 100
97.5 to 99.98
Manganese (Mn), % 0 to 0.7
0 to 0.7
Molybdenum (Mo), % 0 to 0.080
0 to 0.080
Nickel (Ni), % 0 to 0.3
0 to 0.3
Niobium (Nb), % 0 to 0.010
0 to 0.010
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.35
0 to 0.35
Sulfur (S), % 0 to 0.020
0 to 0.015
Titanium (Ti), % 0 to 0.040
0 to 0.040
Vanadium (V), % 0 to 0.020
0 to 0.020