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S40975 Stainless Steel vs. S32654 Stainless Steel

Both S40975 stainless steel and S32654 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 54% 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 S40975 stainless steel and the bottom bar is S32654 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
220
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 22
45
Fatigue Strength, MPa 210
450
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
82
Shear Strength, MPa 290
590
Tensile Strength: Ultimate (UTS), MPa 460
850
Tensile Strength: Yield (Proof), MPa 310
490

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Maximum Temperature: Corrosion, °C 450
440
Maximum Temperature: Mechanical, °C 710
1100
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 26
11
Thermal Expansion, µm/m-K 10
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
34
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 2.0
6.4
Embodied Energy, MJ/kg 28
87
Embodied Water, L/kg 95
220

Common Calculations

PREN (Pitting Resistance) 11
57
Resilience: Ultimate (Unit Rupture Work), MJ/m3 93
330
Resilience: Unit (Modulus of Resilience), kJ/m3 250
570
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
29
Strength to Weight: Bending, points 17
25
Thermal Diffusivity, mm2/s 7.0
2.9
Thermal Shock Resistance, points 17
19

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.020
Chromium (Cr), % 10.5 to 11.7
24 to 25
Copper (Cu), % 0
0.3 to 0.6
Iron (Fe), % 84.4 to 89
38.3 to 45.3
Manganese (Mn), % 0 to 1.0
2.0 to 4.0
Molybdenum (Mo), % 0
7.0 to 8.0
Nickel (Ni), % 0.5 to 1.0
21 to 23
Nitrogen (N), % 0 to 0.030
0.45 to 0.55
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.0050
Titanium (Ti), % 0 to 0.75
0