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EN 1.5535 Steel vs. SAE-AISI 1046 Steel

Both EN 1.5535 steel and SAE-AISI 1046 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.5535 steel and the bottom bar is SAE-AISI 1046 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130 to 180
190 to 210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 22
14 to 17
Fatigue Strength, MPa 210 to 320
240 to 390
Poisson's Ratio 0.29
0.29
Reduction in Area, % 62 to 72
39 to 50
Shear Modulus, GPa 73
72
Shear Strength, MPa 320 to 370
410 to 450
Tensile Strength: Ultimate (UTS), MPa 450 to 1490
660 to 740
Tensile Strength: Yield (Proof), MPa 300 to 500
370 to 610

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 50
51
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
11
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
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
18
Embodied Water, L/kg 48
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 45 to 250
91 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 680
360 to 990
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16 to 53
23 to 26
Strength to Weight: Bending, points 17 to 37
22 to 23
Thermal Diffusivity, mm2/s 13
14
Thermal Shock Resistance, points 13 to 44
23 to 25

Alloy Composition

Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.2 to 0.25
0.43 to 0.5
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 97.6 to 98.9
98.4 to 98.9
Manganese (Mn), % 0.9 to 1.2
0.7 to 1.0
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