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S33228 Stainless Steel vs. AISI 446 Stainless Steel

Both S33228 stainless steel and AISI 446 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 66% of their average alloy composition in common. There are 31 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 S33228 stainless steel and the bottom bar is AISI 446 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
23
Fatigue Strength, MPa 170
200
Poisson's Ratio 0.28
0.27
Reduction in Area, % 39
50
Rockwell B Hardness 82
84
Shear Modulus, GPa 79
79
Shear Strength, MPa 380
360
Tensile Strength: Ultimate (UTS), MPa 570
570
Tensile Strength: Yield (Proof), MPa 210
300

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 560
440
Maximum Temperature: Mechanical, °C 1100
1180
Melting Completion (Liquidus), °C 1410
1510
Melting Onset (Solidus), °C 1360
1430
Specific Heat Capacity, J/kg-K 470
490
Thermal Expansion, µm/m-K 16
11

Otherwise Unclassified Properties

Base Metal Price, % relative 37
12
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 6.2
2.4
Embodied Energy, MJ/kg 89
35
Embodied Water, L/kg 220
150

Common Calculations

PREN (Pitting Resistance) 27
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
110
Resilience: Unit (Modulus of Resilience), kJ/m3 110
230
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 20
21
Strength to Weight: Bending, points 19
20
Thermal Shock Resistance, points 13
19

Alloy Composition

Aluminum (Al), % 0 to 0.025
0
Carbon (C), % 0.040 to 0.080
0 to 0.2
Cerium (Ce), % 0.050 to 0.1
0
Chromium (Cr), % 26 to 28
23 to 27
Iron (Fe), % 36.5 to 42.3
69.2 to 77
Manganese (Mn), % 0 to 1.0
0 to 1.5
Nickel (Ni), % 31 to 33
0 to 0.75
Niobium (Nb), % 0.6 to 1.0
0
Nitrogen (N), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.3
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030