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SAE-AISI 1080 Steel vs. EN 1.0434 Steel

Both SAE-AISI 1080 steel and EN 1.0434 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is SAE-AISI 1080 steel and the bottom bar is EN 1.0434 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 260
110 to 160
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11
12 to 28
Fatigue Strength, MPa 300 to 360
190 to 300
Poisson's Ratio 0.29
0.29
Reduction in Area, % 28 to 45
64 to 74
Shear Modulus, GPa 72
73
Shear Strength, MPa 460 to 520
280 to 330
Tensile Strength: Ultimate (UTS), MPa 770 to 870
390 to 540
Tensile Strength: Yield (Proof), MPa 480 to 590
250 to 450

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
52
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.6
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 11
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 19
18
Embodied Water, L/kg 46
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80 to 84
39 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 610 to 920
170 to 540
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 27 to 31
14 to 19
Strength to Weight: Bending, points 24 to 26
15 to 19
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 25 to 29
12 to 17

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.060
Carbon (C), % 0.75 to 0.88
0.15 to 0.19
Iron (Fe), % 98.1 to 98.7
98.8 to 99.18
Manganese (Mn), % 0.6 to 0.9
0.65 to 0.85
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0
0 to 0.1
Sulfur (S), % 0 to 0.050
0 to 0.025

Comparable Variants