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SAE-AISI 1080 Steel vs. EN 1.4518 Stainless Steel

Both SAE-AISI 1080 steel and EN 1.4518 stainless steel are iron alloys. They have 67% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1080 steel and the bottom bar is EN 1.4518 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11
34
Fatigue Strength, MPa 300 to 360
160
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
79
Tensile Strength: Ultimate (UTS), MPa 770 to 870
490
Tensile Strength: Yield (Proof), MPa 480 to 590
210

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 400
1000
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
15
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.6
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 11
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
20
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
4.0
Embodied Energy, MJ/kg 19
55
Embodied Water, L/kg 46
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80 to 84
140
Resilience: Unit (Modulus of Resilience), kJ/m3 610 to 920
100
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 27 to 31
17
Strength to Weight: Bending, points 24 to 26
18
Thermal Diffusivity, mm2/s 14
4.1
Thermal Shock Resistance, points 25 to 29
14

Alloy Composition

Carbon (C), % 0.75 to 0.88
0 to 0.030
Chromium (Cr), % 0
18 to 20
Iron (Fe), % 98.1 to 98.7
61.4 to 70
Manganese (Mn), % 0.6 to 0.9
0 to 1.5
Molybdenum (Mo), % 0
3.0 to 3.5
Nickel (Ni), % 0
9.0 to 12
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0
0 to 1.5
Sulfur (S), % 0 to 0.050
0 to 0.030