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EN 1.0255 Steel vs. EN 1.0107 Steel

Both EN 1.0255 steel and EN 1.0107 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 1.0255 steel and the bottom bar is EN 1.0107 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
110
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 27
29
Fatigue Strength, MPa 180
160
Impact Strength: V-Notched Charpy, J 38
38
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 280
250
Tensile Strength: Ultimate (UTS), MPa 430
380
Tensile Strength: Yield (Proof), MPa 250
210

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 40
51
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
2.1
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.5
1.5
Embodied Energy, MJ/kg 19
19
Embodied Water, L/kg 49
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
95
Resilience: Unit (Modulus of Resilience), kJ/m3 160
110
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 15
13
Strength to Weight: Bending, points 16
15
Thermal Diffusivity, mm2/s 11
14
Thermal Shock Resistance, points 14
12

Alloy Composition

Aluminum (Al), % 0.020 to 0.2
0
Carbon (C), % 0 to 0.16
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), % 94.1 to 99.98
97.7 to 100
Manganese (Mn), % 0 to 1.2
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 0.015
0 to 0.020
Titanium (Ti), % 0 to 0.040
0 to 0.040
Vanadium (V), % 0 to 0.020
0 to 0.020