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EN 1.5502 Steel vs. SAE-AISI 1065 Steel

Both EN 1.5502 steel and SAE-AISI 1065 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.5502 steel and the bottom bar is SAE-AISI 1065 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120 to 160
210 to 230
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12 to 20
11 to 14
Fatigue Strength, MPa 190 to 290
270 to 340
Poisson's Ratio 0.29
0.29
Reduction in Area, % 62 to 76
34 to 51
Shear Modulus, GPa 73
72
Shear Strength, MPa 280 to 330
430 to 470
Tensile Strength: Ultimate (UTS), MPa 400 to 1380
710 to 780
Tensile Strength: Yield (Proof), MPa 270 to 440
430 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
51
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
11
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
12

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
19
Embodied Water, L/kg 47
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 41 to 210
74 to 90
Resilience: Unit (Modulus of Resilience), kJ/m3 200 to 520
490 to 820
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 14 to 49
25 to 28
Strength to Weight: Bending, points 15 to 35
23 to 24
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 12 to 40
25 to 27

Alloy Composition

Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.15 to 0.2
0.6 to 0.7
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 98 to 99.249
98.3 to 98.8
Manganese (Mn), % 0.6 to 0.9
0.6 to 0.9
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