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S32615 Stainless Steel vs. S33550 Stainless Steel

Both S32615 stainless steel and S33550 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 90% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is S32615 stainless steel and the bottom bar is S33550 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 28
40
Fatigue Strength, MPa 180
270
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 75
79
Shear Strength, MPa 400
470
Tensile Strength: Ultimate (UTS), MPa 620
680
Tensile Strength: Yield (Proof), MPa 250
310

Thermal Properties

Latent Heat of Fusion, J/g 370
300
Maximum Temperature: Corrosion, °C 410
470
Maximum Temperature: Mechanical, °C 990
1100
Melting Completion (Liquidus), °C 1350
1400
Melting Onset (Solidus), °C 1310
1360
Specific Heat Capacity, J/kg-K 500
480
Thermal Expansion, µm/m-K 15
16

Otherwise Unclassified Properties

Base Metal Price, % relative 24
24
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 4.4
4.3
Embodied Energy, MJ/kg 63
61
Embodied Water, L/kg 170
190

Common Calculations

PREN (Pitting Resistance) 21
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
220
Resilience: Unit (Modulus of Resilience), kJ/m3 160
250
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
24
Strength to Weight: Bending, points 21
22
Thermal Shock Resistance, points 15
15

Alloy Composition

Carbon (C), % 0 to 0.070
0.040 to 0.1
Cerium (Ce), % 0
0.025 to 0.070
Chromium (Cr), % 16.5 to 19.5
25 to 28
Copper (Cu), % 1.5 to 2.5
0
Iron (Fe), % 46.4 to 57.9
48.8 to 58.2
Lanthanum (La), % 0
0.025 to 0.070
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 0.3 to 1.5
0
Nickel (Ni), % 19 to 22
16.5 to 20
Niobium (Nb), % 0
0.050 to 0.15
Nitrogen (N), % 0
0.18 to 0.25
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 4.8 to 6.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030