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EN 1.1191 Steel vs. EN 1.5522 Steel

Both EN 1.1191 steel and EN 1.5522 steel are iron alloys. Their average alloy composition is basically identical. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.1191 steel and the bottom bar is EN 1.5522 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 200
140 to 190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16 to 17
11 to 21
Fatigue Strength, MPa 210 to 290
210 to 330
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Shear Strength, MPa 380 to 430
320 to 380
Tensile Strength: Ultimate (UTS), MPa 630 to 700
450 to 1490
Tensile Strength: Yield (Proof), MPa 310 to 440
300 to 520

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
51
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
1.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 19
19
Embodied Water, L/kg 47
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83 to 100
45 to 250
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 510
250 to 720
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22 to 25
16 to 53
Strength to Weight: Bending, points 21 to 22
17 to 37
Thermal Diffusivity, mm2/s 13
14
Thermal Shock Resistance, points 20 to 22
13 to 44

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0.42 to 0.5
0.2 to 0.24
Chromium (Cr), % 0 to 0.4
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 97.3 to 99.08
98 to 98.9
Manganese (Mn), % 0.5 to 0.8
0.9 to 1.2
Molybdenum (Mo), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.4
0
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.3
Sulfur (S), % 0 to 0.035
0 to 0.025