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EN 1.3551 Steel vs. EN 1.8527 Steel

Both EN 1.3551 steel and EN 1.8527 steel are iron alloys. They have a very high 95% of their average alloy composition in common. There are 26 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 1.3551 steel and the bottom bar is EN 1.8527 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
270
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 75
74
Tensile Strength: Ultimate (UTS), MPa 720
900

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Maximum Temperature: Mechanical, °C 530
490
Melting Completion (Liquidus), °C 1490
1460
Melting Onset (Solidus), °C 1450
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 36
41
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.6
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 9.9
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
4.0
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.9
1.7
Embodied Energy, MJ/kg 71
23
Embodied Water, L/kg 82
66

Common Calculations

PREN (Pitting Resistance) 18
5.7
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
32
Strength to Weight: Bending, points 23
26
Thermal Diffusivity, mm2/s 9.8
11
Thermal Shock Resistance, points 21
26

Alloy Composition

Carbon (C), % 0.77 to 0.85
0.040 to 0.12
Chromium (Cr), % 3.9 to 4.3
3.7 to 4.3
Copper (Cu), % 0 to 0.3
0 to 0.25
Iron (Fe), % 88.8 to 91.1
93.2 to 95.1
Manganese (Mn), % 0.15 to 0.35
0.85 to 1.2
Molybdenum (Mo), % 4.0 to 4.5
0.4 to 0.6
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.035
Tungsten (W), % 0 to 0.25
0
Vanadium (V), % 0.9 to 1.1
0