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AISI 202 Stainless Steel vs. AISI 446 Stainless Steel

Both AISI 202 stainless steel and AISI 446 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AISI 202 stainless steel and the bottom bar is AISI 446 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 300
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 14 to 45
23
Fatigue Strength, MPa 290 to 330
200
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
79
Shear Strength, MPa 490 to 590
360
Tensile Strength: Ultimate (UTS), MPa 700 to 980
570
Tensile Strength: Yield (Proof), MPa 310 to 580
300

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 410
440
Maximum Temperature: Mechanical, °C 910
1180
Melting Completion (Liquidus), °C 1400
1510
Melting Onset (Solidus), °C 1360
1430
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 15
17
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 13
12
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.8
2.4
Embodied Energy, MJ/kg 40
35
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 20
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 260
110
Resilience: Unit (Modulus of Resilience), kJ/m3 250 to 840
230
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 25 to 35
21
Strength to Weight: Bending, points 23 to 29
20
Thermal Diffusivity, mm2/s 4.0
4.6
Thermal Shock Resistance, points 15 to 21
19

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.2
Chromium (Cr), % 17 to 19
23 to 27
Iron (Fe), % 63.5 to 71.5
69.2 to 77
Manganese (Mn), % 7.5 to 10
0 to 1.5
Nickel (Ni), % 4.0 to 6.0
0 to 0.75
Nitrogen (N), % 0 to 0.25
0 to 0.25
Phosphorus (P), % 0 to 0.060
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030