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SAE-AISI 1040 Steel vs. EN 1.5510 Steel

Both SAE-AISI 1040 steel and EN 1.5510 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is SAE-AISI 1040 steel and the bottom bar is EN 1.5510 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 180
130 to 190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 13 to 20
11 to 21
Fatigue Strength, MPa 220 to 340
220 to 330
Poisson's Ratio 0.29
0.29
Reduction in Area, % 40 to 45
62 to 72
Shear Modulus, GPa 73
73
Shear Strength, MPa 350 to 390
310 to 380
Tensile Strength: Ultimate (UTS), MPa 570 to 640
450 to 1600
Tensile Strength: Yield (Proof), MPa 320 to 530
310 to 520

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
51
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
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79 to 96
46 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 270 to 760
260 to 710
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20 to 23
16 to 57
Strength to Weight: Bending, points 19 to 21
17 to 39
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 18 to 20
13 to 47

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0.37 to 0.44
0.25 to 0.3
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 98.6 to 99.03
97.9 to 99.149
Manganese (Mn), % 0.6 to 0.9
0.6 to 0.9
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