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EN 1.5535 Steel vs. SAE-AISI 1043 Steel

Both EN 1.5535 steel and SAE-AISI 1043 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 1043 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130 to 180
190 to 200
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 22
13 to 18
Fatigue Strength, MPa 210 to 320
230 to 390
Poisson's Ratio 0.29
0.29
Reduction in Area, % 62 to 72
40 to 51
Shear Modulus, GPa 73
73
Shear Strength, MPa 320 to 370
400 to 430
Tensile Strength: Ultimate (UTS), MPa 450 to 1490
650 to 710
Tensile Strength: Yield (Proof), MPa 300 to 500
350 to 600

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
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
8.1

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
87 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 680
320 to 980
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16 to 53
23 to 25
Strength to Weight: Bending, points 17 to 37
21 to 22
Thermal Diffusivity, mm2/s 13
14
Thermal Shock Resistance, points 13 to 44
21 to 22

Alloy Composition

Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.2 to 0.25
0.4 to 0.47
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