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AISI 420 Stainless Steel vs. S32202 Stainless Steel

Both AISI 420 stainless steel and S32202 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is AISI 420 stainless steel and the bottom bar is S32202 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
250
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 8.0 to 15
34
Fatigue Strength, MPa 220 to 670
400
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
79
Shear Strength, MPa 420 to 1010
490
Tensile Strength: Ultimate (UTS), MPa 690 to 1720
730
Tensile Strength: Yield (Proof), MPa 380 to 1310
510

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 390
440
Maximum Temperature: Mechanical, °C 620
1030
Melting Completion (Liquidus), °C 1510
1430
Melting Onset (Solidus), °C 1450
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 27
15
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
12
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.0
2.6
Embodied Energy, MJ/kg 28
37
Embodied Water, L/kg 100
150

Common Calculations

PREN (Pitting Resistance) 14
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 88 to 130
220
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 4410
650
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25 to 62
27
Strength to Weight: Bending, points 22 to 41
24
Thermal Diffusivity, mm2/s 7.3
4.0
Thermal Shock Resistance, points 25 to 62
20

Alloy Composition

Carbon (C), % 0.15 to 0.4
0 to 0.030
Chromium (Cr), % 12 to 14
21.5 to 24
Iron (Fe), % 82.3 to 87.9
69.4 to 77.3
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
0 to 0.45
Nickel (Ni), % 0 to 0.75
1.0 to 2.8
Nitrogen (N), % 0
0.18 to 0.26
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.010