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S38815 Stainless Steel vs. S32050 Stainless Steel

Both S38815 stainless steel and S32050 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 79% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S38815 stainless steel and the bottom bar is S32050 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
220
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 34
46
Fatigue Strength, MPa 230
340
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
81
Shear Strength, MPa 410
540
Tensile Strength: Ultimate (UTS), MPa 610
770
Tensile Strength: Yield (Proof), MPa 290
370

Thermal Properties

Latent Heat of Fusion, J/g 370
310
Maximum Temperature: Corrosion, °C 400
440
Maximum Temperature: Mechanical, °C 860
1100
Melting Completion (Liquidus), °C 1360
1460
Melting Onset (Solidus), °C 1310
1410
Specific Heat Capacity, J/kg-K 500
470
Thermal Expansion, µm/m-K 15
16

Otherwise Unclassified Properties

Base Metal Price, % relative 19
31
Density, g/cm3 7.5
8.0
Embodied Carbon, kg CO2/kg material 3.8
6.0
Embodied Energy, MJ/kg 54
81
Embodied Water, L/kg 140
210

Common Calculations

PREN (Pitting Resistance) 18
48
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
290
Resilience: Unit (Modulus of Resilience), kJ/m3 220
330
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
27
Strength to Weight: Bending, points 21
23
Thermal Shock Resistance, points 15
17

Alloy Composition

Aluminum (Al), % 0 to 0.3
0
Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 13 to 15
22 to 24
Copper (Cu), % 0.75 to 1.5
0 to 0.4
Iron (Fe), % 56.1 to 67
43.1 to 51.8
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 0.75 to 1.5
6.0 to 6.6
Nickel (Ni), % 13 to 17
20 to 23
Nitrogen (N), % 0
0.21 to 0.32
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 5.5 to 6.5
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.020