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SAE-AISI 1080 Steel vs. S44535 Stainless Steel

Both SAE-AISI 1080 steel and S44535 stainless steel are iron alloys. They have 77% of their average alloy composition in common. There are 31 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 S44535 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 260
170
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11
28
Fatigue Strength, MPa 300 to 360
210
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 72
78
Shear Strength, MPa 460 to 520
290
Tensile Strength: Ultimate (UTS), MPa 770 to 870
450
Tensile Strength: Yield (Proof), MPa 480 to 590
290

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
1000
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
21
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.6
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 11
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
11
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
2.4
Embodied Energy, MJ/kg 19
34
Embodied Water, L/kg 46
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80 to 84
110
Resilience: Unit (Modulus of Resilience), kJ/m3 610 to 920
200
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 27 to 31
16
Strength to Weight: Bending, points 24 to 26
17
Thermal Diffusivity, mm2/s 14
5.6
Thermal Shock Resistance, points 25 to 29
15

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Carbon (C), % 0.75 to 0.88
0 to 0.030
Chromium (Cr), % 0
20 to 24
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 98.1 to 98.7
73.2 to 79.6
Lanthanum (La), % 0
0.040 to 0.2
Manganese (Mn), % 0.6 to 0.9
0.3 to 0.8
Phosphorus (P), % 0 to 0.040
0 to 0.050
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0 to 0.050
0 to 0.020
Titanium (Ti), % 0
0.030 to 0.2