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SAE-AISI 1038 Steel vs. EN 1.5520 Steel

Both SAE-AISI 1038 steel and EN 1.5520 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is SAE-AISI 1038 steel and the bottom bar is EN 1.5520 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 180
120 to 170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 14 to 20
11 to 21
Fatigue Strength, MPa 220 to 350
210 to 300
Poisson's Ratio 0.29
0.29
Reduction in Area, % 40 to 45
62 to 75
Shear Modulus, GPa 73
73
Shear Strength, MPa 370 to 390
290 to 340
Tensile Strength: Ultimate (UTS), MPa 590 to 640
410 to 1410
Tensile Strength: Yield (Proof), MPa 320 to 540
300 to 480

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 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
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 18
19
Embodied Water, L/kg 46
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83 to 100
42 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 270 to 790
240 to 600
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21 to 23
15 to 50
Strength to Weight: Bending, points 20 to 21
16 to 36
Thermal Diffusivity, mm2/s 14
13
Thermal Shock Resistance, points 19 to 20
12 to 41

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0.35 to 0.42
0.15 to 0.2
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 98.6 to 99.05
97.7 to 98.9
Manganese (Mn), % 0.6 to 0.9
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