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AISI 446 Stainless Steel vs. AISI 205 Stainless Steel

Both AISI 446 stainless steel and AISI 205 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AISI 446 stainless steel and the bottom bar is AISI 205 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
210 to 440
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23
11 to 51
Fatigue Strength, MPa 200
410 to 640
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
77
Shear Strength, MPa 360
560 to 850
Tensile Strength: Ultimate (UTS), MPa 570
800 to 1430
Tensile Strength: Yield (Proof), MPa 300
450 to 1100

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 440
410
Maximum Temperature: Mechanical, °C 1180
880
Melting Completion (Liquidus), °C 1510
1380
Melting Onset (Solidus), °C 1430
1340
Specific Heat Capacity, J/kg-K 490
480
Thermal Expansion, µm/m-K 11
18

Otherwise Unclassified Properties

Base Metal Price, % relative 12
11
Density, g/cm3 7.7
7.6
Embodied Carbon, kg CO2/kg material 2.4
2.6
Embodied Energy, MJ/kg 35
37
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 27
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
150 to 430
Resilience: Unit (Modulus of Resilience), kJ/m3 230
510 to 3060
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
26
Strength to Weight: Axial, points 21
29 to 52
Strength to Weight: Bending, points 20
25 to 37
Thermal Shock Resistance, points 19
16 to 29

Alloy Composition

Carbon (C), % 0 to 0.2
0.12 to 0.25
Chromium (Cr), % 23 to 27
16.5 to 18.5
Iron (Fe), % 69.2 to 77
62.6 to 68.1
Manganese (Mn), % 0 to 1.5
14 to 15.5
Nickel (Ni), % 0 to 0.75
1.0 to 1.7
Nitrogen (N), % 0 to 0.25
0.32 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.060
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030