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S44635 Stainless Steel vs. S32001 Stainless Steel

Both S44635 stainless steel and S32001 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 89% of their average alloy composition in common. There are 33 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 S44635 stainless steel and the bottom bar is S32001 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 23
28
Fatigue Strength, MPa 390
370
Poisson's Ratio 0.27
0.28
Rockwell C Hardness 24
22
Shear Modulus, GPa 81
78
Shear Strength, MPa 450
450
Tensile Strength: Ultimate (UTS), MPa 710
690
Tensile Strength: Yield (Proof), MPa 580
510

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 610
430
Maximum Temperature: Mechanical, °C 1100
970
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 22
12
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 4.4
2.6
Embodied Energy, MJ/kg 62
37
Embodied Water, L/kg 170
150

Common Calculations

PREN (Pitting Resistance) 39
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
180
Resilience: Unit (Modulus of Resilience), kJ/m3 810
660
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
25
Strength to Weight: Bending, points 23
23
Thermal Diffusivity, mm2/s 4.4
4.0
Thermal Shock Resistance, points 23
19

Alloy Composition

Carbon (C), % 0 to 0.025
0 to 0.030
Chromium (Cr), % 24.5 to 26
19.5 to 21.5
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 61.5 to 68.5
66.6 to 75.5
Manganese (Mn), % 0 to 1.0
4.0 to 6.0
Molybdenum (Mo), % 3.5 to 4.5
0 to 0.6
Nickel (Ni), % 3.5 to 4.5
1.0 to 3.0
Niobium (Nb), % 0.2 to 0.8
0
Nitrogen (N), % 0 to 0.035
0.050 to 0.17
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0.2 to 0.8
0