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EN 1.1133 Steel vs. EN 1.0254 Steel

Both EN 1.1133 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 1.1133 steel and the bottom bar is EN 1.0254 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 180
120
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19 to 24
27
Fatigue Strength, MPa 230 to 310
190
Impact Strength: V-Notched Charpy, J 45 to 48
38
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 370 to 380
280
Tensile Strength: Ultimate (UTS), MPa 580 to 620
430
Tensile Strength: Yield (Proof), MPa 320 to 460
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 49
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 8.3
8.3

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 48
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
100
Resilience: Unit (Modulus of Resilience), kJ/m3 270 to 550
170
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21 to 22
15
Strength to Weight: Bending, points 20 to 21
16
Thermal Diffusivity, mm2/s 13
13
Thermal Shock Resistance, points 18 to 19
14

Alloy Composition

Carbon (C), % 0.17 to 0.23
0 to 0.16
Chromium (Cr), % 0 to 0.4
0 to 0.3
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 96.9 to 98.8
97.2 to 100
Manganese (Mn), % 1.0 to 1.5
0 to 1.2
Molybdenum (Mo), % 0 to 0.1
0 to 0.080
Nickel (Ni), % 0 to 0.4
0 to 0.3
Niobium (Nb), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.35
Sulfur (S), % 0 to 0.035
0 to 0.020
Titanium (Ti), % 0
0 to 0.040
Vanadium (V), % 0
0 to 0.020