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S32001 Stainless Steel vs. S32520 Stainless Steel

Both S32001 stainless steel and S32520 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 87% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is S32001 stainless steel and the bottom bar is S32520 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
28
Fatigue Strength, MPa 370
460
Poisson's Ratio 0.28
0.27
Rockwell C Hardness 22
28
Shear Modulus, GPa 78
80
Shear Strength, MPa 450
560
Tensile Strength: Ultimate (UTS), MPa 690
860
Tensile Strength: Yield (Proof), MPa 510
630

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 430
450
Maximum Temperature: Mechanical, °C 970
1100
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1370
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 2.6
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 12
20
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.6
4.0
Embodied Energy, MJ/kg 37
55
Embodied Water, L/kg 150
180

Common Calculations

PREN (Pitting Resistance) 23
41
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
220
Resilience: Unit (Modulus of Resilience), kJ/m3 660
960
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
31
Strength to Weight: Bending, points 23
26
Thermal Diffusivity, mm2/s 4.0
4.1
Thermal Shock Resistance, points 19
24

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 19.5 to 21.5
24 to 26
Copper (Cu), % 0 to 1.0
0.5 to 2.0
Iron (Fe), % 66.6 to 75.5
57.3 to 66.8
Manganese (Mn), % 4.0 to 6.0
0 to 1.5
Molybdenum (Mo), % 0 to 0.6
3.0 to 4.0
Nickel (Ni), % 1.0 to 3.0
5.5 to 8.0
Nitrogen (N), % 0.050 to 0.17
0.2 to 0.35
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.020