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AISI 444 Stainless Steel vs. S28200 Stainless Steel

Both AISI 444 stainless steel and S28200 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 81% 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 AISI 444 stainless steel and the bottom bar is S28200 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
260
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23
45
Fatigue Strength, MPa 210
430
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
77
Shear Strength, MPa 300
610
Tensile Strength: Ultimate (UTS), MPa 470
870
Tensile Strength: Yield (Proof), MPa 310
460

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 580
410
Maximum Temperature: Mechanical, °C 930
900
Melting Completion (Liquidus), °C 1460
1380
Melting Onset (Solidus), °C 1420
1330
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 10
18

Otherwise Unclassified Properties

Base Metal Price, % relative 15
12
Density, g/cm3 7.7
7.6
Embodied Carbon, kg CO2/kg material 3.4
2.8
Embodied Energy, MJ/kg 47
41
Embodied Water, L/kg 130
160

Common Calculations

PREN (Pitting Resistance) 26
29
Resilience: Ultimate (Unit Rupture Work), MJ/m3 95
330
Resilience: Unit (Modulus of Resilience), kJ/m3 240
540
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 17
32
Strength to Weight: Bending, points 17
27
Thermal Shock Resistance, points 16
17

Alloy Composition

Carbon (C), % 0 to 0.025
0 to 0.15
Chromium (Cr), % 17.5 to 19.5
17 to 19
Copper (Cu), % 0
0.75 to 1.3
Iron (Fe), % 73.3 to 80.8
57.7 to 64.1
Manganese (Mn), % 0 to 1.0
17 to 19
Molybdenum (Mo), % 1.8 to 2.5
0.75 to 1.3
Nickel (Ni), % 0 to 1.0
0
Niobium (Nb), % 0.2 to 0.8
0
Nitrogen (N), % 0 to 0.035
0.4 to 0.6
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0.2 to 0.8
0