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SAE-AISI 9260 Steel vs. S32520 Stainless Steel

Both SAE-AISI 9260 steel and S32520 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 63% 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 9260 steel and the bottom bar is S32520 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
270
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 21
28
Fatigue Strength, MPa 260
460
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 72
80
Shear Strength, MPa 420
560
Tensile Strength: Ultimate (UTS), MPa 660
860
Tensile Strength: Yield (Proof), MPa 380
630

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 45
15
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.0
20
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.5
4.0
Embodied Energy, MJ/kg 20
55
Embodied Water, L/kg 46
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
220
Resilience: Unit (Modulus of Resilience), kJ/m3 380
960
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
31
Strength to Weight: Bending, points 22
26
Thermal Diffusivity, mm2/s 12
4.1
Thermal Shock Resistance, points 20
24

Alloy Composition

Carbon (C), % 0.56 to 0.64
0 to 0.030
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 0
0.5 to 2.0
Iron (Fe), % 96.1 to 96.9
57.3 to 66.8
Manganese (Mn), % 0.75 to 1.0
0 to 1.5
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 0
5.5 to 8.0
Nitrogen (N), % 0
0.2 to 0.35
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 1.8 to 2.2
0 to 0.8
Sulfur (S), % 0 to 0.040
0 to 0.020