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S82441 Stainless Steel vs. S32520 Stainless Steel

Both S82441 stainless steel and S32520 stainless steel are iron alloys. Both are furnished in the annealed condition. They have a moderately high 93% of their average alloy composition in common. There are 34 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is S82441 stainless steel and the bottom bar is S32520 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
270
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
28
Fatigue Strength, MPa 400
460
Poisson's Ratio 0.27
0.27
Rockwell C Hardness 27
28
Shear Modulus, GPa 79
80
Shear Strength, MPa 490
560
Tensile Strength: Ultimate (UTS), MPa 760
860
Tensile Strength: Yield (Proof), MPa 550
630

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 440
450
Maximum Temperature: Mechanical, °C 1090
1100
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 13
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 16
20
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.2
4.0
Embodied Energy, MJ/kg 45
55
Embodied Water, L/kg 170
180

Common Calculations

PREN (Pitting Resistance) 33
41
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
220
Resilience: Unit (Modulus of Resilience), kJ/m3 740
960
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
31
Strength to Weight: Bending, points 24
26
Thermal Diffusivity, mm2/s 3.9
4.1
Thermal Shock Resistance, points 21
24

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 23 to 25
24 to 26
Copper (Cu), % 0.1 to 0.8
0.5 to 2.0
Iron (Fe), % 62.6 to 70.2
57.3 to 66.8
Manganese (Mn), % 2.5 to 4.0
0 to 1.5
Molybdenum (Mo), % 1.0 to 2.0
3.0 to 4.0
Nickel (Ni), % 3.0 to 4.5
5.5 to 8.0
Nitrogen (N), % 0.2 to 0.3
0.2 to 0.35
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 0.7
0 to 0.8
Sulfur (S), % 0 to 0.0050
0 to 0.020