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SAE-AISI 1080 Steel vs. EN 1.4028 Stainless Steel

Both SAE-AISI 1080 steel and EN 1.4028 stainless steel are iron alloys. They have 86% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, 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 1.4028 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11
11 to 17
Fatigue Strength, MPa 300 to 360
230 to 400
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
76
Shear Strength, MPa 460 to 520
410 to 550
Tensile Strength: Ultimate (UTS), MPa 770 to 870
660 to 930
Tensile Strength: Yield (Proof), MPa 480 to 590
390 to 730

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 400
760
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
30
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.6
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 11
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
7.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
1.9
Embodied Energy, MJ/kg 19
27
Embodied Water, L/kg 46
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80 to 84
94 to 96
Resilience: Unit (Modulus of Resilience), kJ/m3 610 to 920
380 to 1360
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 27 to 31
24 to 33
Strength to Weight: Bending, points 24 to 26
22 to 27
Thermal Diffusivity, mm2/s 14
8.1
Thermal Shock Resistance, points 25 to 29
23 to 32

Alloy Composition

Carbon (C), % 0.75 to 0.88
0.26 to 0.35
Chromium (Cr), % 0
12 to 14
Iron (Fe), % 98.1 to 98.7
83.1 to 87.7
Manganese (Mn), % 0.6 to 0.9
0 to 1.5
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0 to 0.050
0 to 0.015

Comparable Variants