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S32615 Stainless Steel vs. S44800 Stainless Steel

Both S32615 stainless steel and S44800 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 74% of their average alloy composition in common. There are 30 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 S32615 stainless steel and the bottom bar is S44800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
190
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 28
23
Fatigue Strength, MPa 180
300
Poisson's Ratio 0.28
0.27
Reduction in Area, % 46
45
Shear Modulus, GPa 75
82
Shear Strength, MPa 400
370
Tensile Strength: Ultimate (UTS), MPa 620
590
Tensile Strength: Yield (Proof), MPa 250
450

Thermal Properties

Latent Heat of Fusion, J/g 370
300
Maximum Temperature: Corrosion, °C 410
460
Maximum Temperature: Mechanical, °C 990
1100
Melting Completion (Liquidus), °C 1350
1460
Melting Onset (Solidus), °C 1310
1410
Specific Heat Capacity, J/kg-K 500
480
Thermal Expansion, µm/m-K 15
11

Otherwise Unclassified Properties

Base Metal Price, % relative 24
19
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 4.4
3.8
Embodied Energy, MJ/kg 63
52
Embodied Water, L/kg 170
190

Common Calculations

PREN (Pitting Resistance) 21
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
120
Resilience: Unit (Modulus of Resilience), kJ/m3 160
480
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
21
Strength to Weight: Bending, points 21
20
Thermal Shock Resistance, points 15
19

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.010
Chromium (Cr), % 16.5 to 19.5
28 to 30
Copper (Cu), % 1.5 to 2.5
0 to 0.15
Iron (Fe), % 46.4 to 57.9
62.6 to 66.5
Manganese (Mn), % 0 to 2.0
0 to 0.3
Molybdenum (Mo), % 0.3 to 1.5
3.5 to 4.2
Nickel (Ni), % 19 to 22
2.0 to 2.5
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 4.8 to 6.0
0 to 0.2
Sulfur (S), % 0 to 0.030
0 to 0.020