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AISI 301 Stainless Steel vs. SAE-AISI 1080 Steel

Both AISI 301 stainless steel and SAE-AISI 1080 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 (4, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 440
220 to 260
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 7.4 to 46
11
Fatigue Strength, MPa 210 to 600
300 to 360
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
72
Shear Strength, MPa 410 to 860
460 to 520
Tensile Strength: Ultimate (UTS), MPa 590 to 1460
770 to 870
Tensile Strength: Yield (Proof), MPa 230 to 1080
480 to 590

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 840
400
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
51
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
9.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
11

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99 to 300
80 to 84
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 2970
610 to 920
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 52
27 to 31
Strength to Weight: Bending, points 20 to 37
24 to 26
Thermal Diffusivity, mm2/s 4.2
14
Thermal Shock Resistance, points 12 to 31
25 to 29

Alloy Composition

Carbon (C), % 0 to 0.15
0.75 to 0.88
Chromium (Cr), % 16 to 18
0
Iron (Fe), % 70.7 to 78
98.1 to 98.7
Manganese (Mn), % 0 to 2.0
0.6 to 0.9
Nickel (Ni), % 6.0 to 8.0
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0 to 0.050