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EN 1.5511 Steel vs. EN 1.4931 Steel

Both EN 1.5511 steel and EN 1.4931 steel are iron alloys. They have 86% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.5511 steel and the bottom bar is EN 1.4931 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 170
240
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
76
Tensile Strength: Ultimate (UTS), MPa 490 to 580
810

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 400
600
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
24
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
9.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
11

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
8.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
2.9
Embodied Energy, MJ/kg 19
42
Embodied Water, L/kg 46
100

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17 to 20
29
Strength to Weight: Bending, points 18 to 20
25
Thermal Diffusivity, mm2/s 14
6.5
Thermal Shock Resistance, points 15 to 17
22

Alloy Composition

Aluminum (Al), % 0.020 to 0.060
0
Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.32 to 0.39
0.2 to 0.26
Chromium (Cr), % 0
11.3 to 12.2
Iron (Fe), % 98.3 to 99.159
83.2 to 86.8
Manganese (Mn), % 0.5 to 0.8
0.5 to 0.8
Molybdenum (Mo), % 0
1.0 to 1.2
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.4
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.020
Tungsten (W), % 0
0 to 0.5
Vanadium (V), % 0
0.25 to 0.35