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EN 1.1133 Steel vs. EN 1.6311 Steel

Both EN 1.1133 steel and EN 1.6311 steel are iron alloys. Their average alloy composition is basically identical. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.1133 steel and the bottom bar is EN 1.6311 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 180
200
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19 to 24
19
Fatigue Strength, MPa 230 to 310
340
Impact Strength: V-Notched Charpy, J 45 to 48
51
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 370 to 380
400
Tensile Strength: Ultimate (UTS), MPa 580 to 620
650
Tensile Strength: Yield (Proof), MPa 320 to 460
490

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
410
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
39
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
2.9
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.5
1.6
Embodied Energy, MJ/kg 19
22
Embodied Water, L/kg 48
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
120
Resilience: Unit (Modulus of Resilience), kJ/m3 270 to 550
650
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21 to 22
23
Strength to Weight: Bending, points 20 to 21
21
Thermal Diffusivity, mm2/s 13
10
Thermal Shock Resistance, points 18 to 19
19

Alloy Composition

Carbon (C), % 0.17 to 0.23
0.15 to 0.23
Chromium (Cr), % 0 to 0.4
0 to 0.5
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 96.9 to 98.8
95.9 to 98
Manganese (Mn), % 1.0 to 1.5
1.0 to 1.5
Molybdenum (Mo), % 0 to 0.1
0.45 to 0.6
Nickel (Ni), % 0 to 0.4
0.4 to 0.8
Nitrogen (N), % 0
0 to 0.012
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 0.4
0 to 0.4
Sulfur (S), % 0 to 0.035
0 to 0.035
Vanadium (V), % 0
0 to 0.020