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SAE-AISI 1524 Steel vs. EN 1.5503 Steel

Both SAE-AISI 1524 steel and EN 1.5503 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is SAE-AISI 1524 steel and the bottom bar is EN 1.5503 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 180
120 to 160
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 14 to 22
12 to 17
Fatigue Strength, MPa 230 to 340
180 to 280
Poisson's Ratio 0.29
0.29
Reduction in Area, % 39 to 48
63 to 72
Shear Modulus, GPa 73
73
Shear Strength, MPa 360 to 390
270 to 320
Tensile Strength: Ultimate (UTS), MPa 570 to 650
400 to 520
Tensile Strength: Yield (Proof), MPa 320 to 540
270 to 430

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 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.3
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 9.5
8.1

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 84 to 110
41 to 81
Resilience: Unit (Modulus of Resilience), kJ/m3 270 to 760
200 to 490
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20 to 23
14 to 19
Strength to Weight: Bending, points 19 to 21
15 to 18
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 18 to 21
12 to 15

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0.19 to 0.25
0.16 to 0.2
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 98 to 98.5
98.4 to 99.239
Manganese (Mn), % 1.4 to 1.7
0.6 to 0.8
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0
0 to 0.3
Sulfur (S), % 0 to 0.050
0 to 0.025

Comparable Variants