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EN 1.1172 Steel vs. EN 1.5520 Steel

Both EN 1.1172 steel and EN 1.5520 steel are iron alloys. Their average alloy composition is basically identical. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.1172 steel and the bottom bar is EN 1.5520 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 170
120 to 170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Tensile Strength: Ultimate (UTS), MPa 480 to 1720
410 to 1410

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 51
50
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
1.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 18
19
Embodied Water, L/kg 46
48

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17 to 61
15 to 50
Strength to Weight: Bending, points 17 to 41
16 to 36
Thermal Diffusivity, mm2/s 14
13
Thermal Shock Resistance, points 15 to 55
12 to 41

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0.32 to 0.39
0.15 to 0.2
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 98.2 to 99.18
97.7 to 98.9
Manganese (Mn), % 0.5 to 0.8
0.9 to 1.2
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.3
0 to 0.3
Sulfur (S), % 0 to 0.025
0 to 0.025

Comparable Variants