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SAE-AISI 1080 Steel vs. S34565 Stainless Steel

Both SAE-AISI 1080 steel and S34565 stainless steel are iron alloys. They have 48% of their average alloy composition in common. There are 32 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 S34565 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 260
200
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 11
39
Fatigue Strength, MPa 300 to 360
400
Poisson's Ratio 0.29
0.28
Reduction in Area, % 28 to 45
45
Shear Modulus, GPa 72
80
Shear Strength, MPa 460 to 520
610
Tensile Strength: Ultimate (UTS), MPa 770 to 870
900
Tensile Strength: Yield (Proof), MPa 480 to 590
470

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1450
1420
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
12
Thermal Expansion, µm/m-K 12
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.6
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 11
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
28
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
5.3
Embodied Energy, MJ/kg 19
73
Embodied Water, L/kg 46
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80 to 84
300
Resilience: Unit (Modulus of Resilience), kJ/m3 610 to 920
540
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 27 to 31
32
Strength to Weight: Bending, points 24 to 26
26
Thermal Diffusivity, mm2/s 14
3.2
Thermal Shock Resistance, points 25 to 29
22

Alloy Composition

Carbon (C), % 0.75 to 0.88
0 to 0.030
Chromium (Cr), % 0
23 to 25
Iron (Fe), % 98.1 to 98.7
43.2 to 51.6
Manganese (Mn), % 0.6 to 0.9
5.0 to 7.0
Molybdenum (Mo), % 0
4.0 to 5.0
Nickel (Ni), % 0
16 to 18
Niobium (Nb), % 0
0 to 0.1
Nitrogen (N), % 0
0.4 to 0.6
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0 to 0.050
0 to 0.010