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SAE-AISI 1552 Steel vs. EN 1.5525 Steel

Both SAE-AISI 1552 steel and EN 1.5525 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is SAE-AISI 1552 steel and the bottom bar is EN 1.5525 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 250
130 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 14
11 to 21
Fatigue Strength, MPa 290 to 400
210 to 310
Poisson's Ratio 0.29
0.29
Reduction in Area, % 34 to 46
62 to 73
Shear Modulus, GPa 72
73
Shear Strength, MPa 460 to 510
310 to 350
Tensile Strength: Ultimate (UTS), MPa 760 to 840
440 to 1440
Tensile Strength: Yield (Proof), MPa 460 to 650
300 to 490

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 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 12
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 19
19
Embodied Water, L/kg 47
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81 to 98
44 to 240
Resilience: Unit (Modulus of Resilience), kJ/m3 560 to 1130
240 to 640
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 27 to 30
16 to 51
Strength to Weight: Bending, points 24 to 25
16 to 36
Thermal Diffusivity, mm2/s 14
13
Thermal Shock Resistance, points 26 to 29
13 to 42

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0.47 to 0.55
0.18 to 0.23
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 97.9 to 98.3
97.7 to 98.9
Manganese (Mn), % 1.2 to 1.5
0.9 to 1.2
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