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EN 1.0456 Steel vs. EN 1.0254 Steel

Both EN 1.0456 steel and EN 1.0254 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.0456 steel and the bottom bar is EN 1.0254 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120 to 130
120
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 24 to 26
27
Fatigue Strength, MPa 210 to 220
190
Impact Strength: V-Notched Charpy, J 38 to 45
38
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 270 to 280
280
Tensile Strength: Ultimate (UTS), MPa 420 to 450
430
Tensile Strength: Yield (Proof), MPa 290 to 300
250

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 48
50
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
2.1
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.5
1.5
Embodied Energy, MJ/kg 20
19
Embodied Water, L/kg 49
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93 to 99
100
Resilience: Unit (Modulus of Resilience), kJ/m3 220 to 230
170
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 15 to 16
15
Strength to Weight: Bending, points 16 to 17
16
Thermal Diffusivity, mm2/s 13
13
Thermal Shock Resistance, points 13 to 14
14

Alloy Composition

Aluminum (Al), % 0.020 to 0.060
0
Carbon (C), % 0 to 0.2
0 to 0.16
Chromium (Cr), % 0 to 0.3
0 to 0.3
Copper (Cu), % 0 to 0.35
0 to 0.3
Iron (Fe), % 96.7 to 99.48
97.2 to 100
Manganese (Mn), % 0.5 to 1.4
0 to 1.2
Molybdenum (Mo), % 0 to 0.1
0 to 0.080
Nickel (Ni), % 0 to 0.3
0 to 0.3
Niobium (Nb), % 0 to 0.050
0 to 0.010
Nitrogen (N), % 0 to 0.015
0
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0 to 0.030
0 to 0.040
Vanadium (V), % 0 to 0.050
0 to 0.020