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EN 1.5501 Steel vs. SAE-AISI 1527 Steel

Both EN 1.5501 steel and SAE-AISI 1527 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.5501 steel and the bottom bar is SAE-AISI 1527 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120 to 150
170 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12 to 17
13 to 21
Fatigue Strength, MPa 180 to 270
220 to 350
Poisson's Ratio 0.29
0.29
Reduction in Area, % 63 to 73
40 to 45
Shear Modulus, GPa 73
73
Shear Strength, MPa 270 to 310
370 to 390
Tensile Strength: Ultimate (UTS), MPa 390 to 510
590 to 640
Tensile Strength: Yield (Proof), MPa 260 to 420
320 to 550

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 52
52
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
1.8
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 18
19
Embodied Water, L/kg 46
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40 to 83
82 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 460
260 to 800
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 14 to 18
21 to 23
Strength to Weight: Bending, points 15 to 18
20 to 21
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 11 to 15
19 to 20

Alloy Composition

Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.13 to 0.16
0.22 to 0.29
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 98.4 to 99.269
98.1 to 98.6
Manganese (Mn), % 0.6 to 0.8
1.2 to 1.5
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.3
0
Sulfur (S), % 0 to 0.025
0 to 0.050

Comparable Variants