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SAE-AISI 1080 Steel vs. AISI 301L Stainless Steel

Both SAE-AISI 1080 steel and AISI 301L stainless steel are iron alloys. They have 75% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1080 steel and the bottom bar is AISI 301L stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 260
210 to 320
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11
22 to 50
Fatigue Strength, MPa 300 to 360
240 to 530
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
77
Shear Strength, MPa 460 to 520
440 to 660
Tensile Strength: Ultimate (UTS), MPa 770 to 870
620 to 1040
Tensile Strength: Yield (Proof), MPa 480 to 590
250 to 790

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
890
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
15
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.6
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 11
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
13
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
2.7
Embodied Energy, MJ/kg 19
39
Embodied Water, L/kg 46
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80 to 84
210 to 300
Resilience: Unit (Modulus of Resilience), kJ/m3 610 to 920
160 to 1580
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 27 to 31
22 to 37
Strength to Weight: Bending, points 24 to 26
21 to 29
Thermal Diffusivity, mm2/s 14
4.1
Thermal Shock Resistance, points 25 to 29
14 to 24

Alloy Composition

Carbon (C), % 0.75 to 0.88
0 to 0.030
Chromium (Cr), % 0
16 to 18
Iron (Fe), % 98.1 to 98.7
70.7 to 78
Manganese (Mn), % 0.6 to 0.9
0 to 2.0
Nickel (Ni), % 0
6.0 to 8.0
Nitrogen (N), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0 to 0.050
0 to 0.030