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S32654 Stainless Steel vs. S38815 Stainless Steel

Both S32654 stainless steel and S38815 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 74% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is S32654 stainless steel and the bottom bar is S38815 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
190
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 45
34
Fatigue Strength, MPa 450
230
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 82
74
Shear Strength, MPa 590
410
Tensile Strength: Ultimate (UTS), MPa 850
610
Tensile Strength: Yield (Proof), MPa 490
290

Thermal Properties

Latent Heat of Fusion, J/g 310
370
Maximum Temperature: Corrosion, °C 440
400
Maximum Temperature: Mechanical, °C 1100
860
Melting Completion (Liquidus), °C 1450
1360
Melting Onset (Solidus), °C 1410
1310
Specific Heat Capacity, J/kg-K 460
500
Thermal Expansion, µm/m-K 15
15

Otherwise Unclassified Properties

Base Metal Price, % relative 34
19
Density, g/cm3 8.0
7.5
Embodied Carbon, kg CO2/kg material 6.4
3.8
Embodied Energy, MJ/kg 87
54
Embodied Water, L/kg 220
140

Common Calculations

PREN (Pitting Resistance) 57
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 330
170
Resilience: Unit (Modulus of Resilience), kJ/m3 570
220
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29
22
Strength to Weight: Bending, points 25
21
Thermal Shock Resistance, points 19
15

Alloy Composition

Aluminum (Al), % 0
0 to 0.3
Carbon (C), % 0 to 0.020
0 to 0.030
Chromium (Cr), % 24 to 25
13 to 15
Copper (Cu), % 0.3 to 0.6
0.75 to 1.5
Iron (Fe), % 38.3 to 45.3
56.1 to 67
Manganese (Mn), % 2.0 to 4.0
0 to 2.0
Molybdenum (Mo), % 7.0 to 8.0
0.75 to 1.5
Nickel (Ni), % 21 to 23
13 to 17
Nitrogen (N), % 0.45 to 0.55
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.5
5.5 to 6.5
Sulfur (S), % 0 to 0.0050
0 to 0.020