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AISI 446 Stainless Steel vs. S32615 Stainless Steel

Both AISI 446 stainless steel and S32615 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 72% of their average alloy composition in common. There are 30 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 AISI 446 stainless steel and the bottom bar is S32615 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23
28
Fatigue Strength, MPa 200
180
Poisson's Ratio 0.27
0.28
Reduction in Area, % 50
46
Shear Modulus, GPa 79
75
Shear Strength, MPa 360
400
Tensile Strength: Ultimate (UTS), MPa 570
620
Tensile Strength: Yield (Proof), MPa 300
250

Thermal Properties

Latent Heat of Fusion, J/g 290
370
Maximum Temperature: Corrosion, °C 440
410
Maximum Temperature: Mechanical, °C 1180
990
Melting Completion (Liquidus), °C 1510
1350
Melting Onset (Solidus), °C 1430
1310
Specific Heat Capacity, J/kg-K 490
500
Thermal Expansion, µm/m-K 11
15

Otherwise Unclassified Properties

Base Metal Price, % relative 12
24
Density, g/cm3 7.7
7.6
Embodied Carbon, kg CO2/kg material 2.4
4.4
Embodied Energy, MJ/kg 35
63
Embodied Water, L/kg 150
170

Common Calculations

PREN (Pitting Resistance) 27
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
140
Resilience: Unit (Modulus of Resilience), kJ/m3 230
160
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 21
23
Strength to Weight: Bending, points 20
21
Thermal Shock Resistance, points 19
15

Alloy Composition

Carbon (C), % 0 to 0.2
0 to 0.070
Chromium (Cr), % 23 to 27
16.5 to 19.5
Copper (Cu), % 0
1.5 to 2.5
Iron (Fe), % 69.2 to 77
46.4 to 57.9
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 0
0.3 to 1.5
Nickel (Ni), % 0 to 0.75
19 to 22
Nitrogen (N), % 0 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
4.8 to 6.0
Sulfur (S), % 0 to 0.030
0 to 0.030