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S33228 Stainless Steel vs. AISI 444 Stainless Steel

Both S33228 stainless steel and AISI 444 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 60% 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 S33228 stainless steel and the bottom bar is AISI 444 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
210
Poisson's Ratio 0.28
0.28
Rockwell B Hardness 82
83
Shear Modulus, GPa 79
78
Shear Strength, MPa 380
300
Tensile Strength: Ultimate (UTS), MPa 570
470
Tensile Strength: Yield (Proof), MPa 210
310

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 560
580
Maximum Temperature: Mechanical, °C 1100
930
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 16
10

Otherwise Unclassified Properties

Base Metal Price, % relative 37
15
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 6.2
3.4
Embodied Energy, MJ/kg 89
47
Embodied Water, L/kg 220
130

Common Calculations

PREN (Pitting Resistance) 27
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
95
Resilience: Unit (Modulus of Resilience), kJ/m3 110
240
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 20
17
Strength to Weight: Bending, points 19
17
Thermal Shock Resistance, points 13
16

Alloy Composition

Aluminum (Al), % 0 to 0.025
0
Carbon (C), % 0.040 to 0.080
0 to 0.025
Cerium (Ce), % 0.050 to 0.1
0
Chromium (Cr), % 26 to 28
17.5 to 19.5
Iron (Fe), % 36.5 to 42.3
73.3 to 80.8
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
1.8 to 2.5
Nickel (Ni), % 31 to 33
0 to 1.0
Niobium (Nb), % 0.6 to 1.0
0.2 to 0.8
Nitrogen (N), % 0
0 to 0.035
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
Titanium (Ti), % 0
0.2 to 0.8