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S32803 Stainless Steel vs. S32615 Stainless Steel

Both S32803 stainless steel and S32615 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 75% 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 S32803 stainless steel and the bottom bar is S32615 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
170
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 18
28
Fatigue Strength, MPa 350
180
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
75
Shear Strength, MPa 420
400
Tensile Strength: Ultimate (UTS), MPa 680
620
Tensile Strength: Yield (Proof), MPa 560
250

Thermal Properties

Latent Heat of Fusion, J/g 300
370
Maximum Temperature: Corrosion, °C 510
410
Maximum Temperature: Mechanical, °C 1100
990
Melting Completion (Liquidus), °C 1450
1350
Melting Onset (Solidus), °C 1400
1310
Specific Heat Capacity, J/kg-K 480
500
Thermal Expansion, µm/m-K 11
15

Otherwise Unclassified Properties

Base Metal Price, % relative 19
24
Density, g/cm3 7.7
7.6
Embodied Carbon, kg CO2/kg material 3.7
4.4
Embodied Energy, MJ/kg 53
63
Embodied Water, L/kg 180
170

Common Calculations

PREN (Pitting Resistance) 36
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
140
Resilience: Unit (Modulus of Resilience), kJ/m3 760
160
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
23
Strength to Weight: Bending, points 22
21
Thermal Shock Resistance, points 22
15

Alloy Composition

Carbon (C), % 0 to 0.015
0 to 0.070
Chromium (Cr), % 28 to 29
16.5 to 19.5
Copper (Cu), % 0
1.5 to 2.5
Iron (Fe), % 62.9 to 67.1
46.4 to 57.9
Manganese (Mn), % 0 to 0.5
0 to 2.0
Molybdenum (Mo), % 1.8 to 2.5
0.3 to 1.5
Nickel (Ni), % 3.0 to 4.0
19 to 22
Niobium (Nb), % 0.15 to 0.5
0
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.020
0 to 0.045
Silicon (Si), % 0 to 0.55
4.8 to 6.0
Sulfur (S), % 0 to 0.0035
0 to 0.030