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S32050 Stainless Steel vs. AISI 202 Stainless Steel

Both S32050 stainless steel and AISI 202 stainless steel are iron alloys. They have 72% of their average alloy composition in common.

For each property being compared, the top bar is S32050 stainless steel and the bottom bar is AISI 202 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
210 to 300
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 46
14 to 45
Fatigue Strength, MPa 340
290 to 330
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 81
77
Shear Strength, MPa 540
490 to 590
Tensile Strength: Ultimate (UTS), MPa 770
700 to 980
Tensile Strength: Yield (Proof), MPa 370
310 to 580

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 440
410
Maximum Temperature: Mechanical, °C 1100
910
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1410
1360
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 12
15
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 31
13
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 6.0
2.8
Embodied Energy, MJ/kg 81
40
Embodied Water, L/kg 210
150

Common Calculations

PREN (Pitting Resistance) 48
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
120 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 330
250 to 840
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
25 to 35
Strength to Weight: Bending, points 23
23 to 29
Thermal Diffusivity, mm2/s 3.3
4.0
Thermal Shock Resistance, points 17
15 to 21

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 22 to 24
17 to 19
Copper (Cu), % 0 to 0.4
0
Iron (Fe), % 43.1 to 51.8
63.5 to 71.5
Manganese (Mn), % 0 to 1.5
7.5 to 10
Molybdenum (Mo), % 6.0 to 6.6
0
Nickel (Ni), % 20 to 23
4.0 to 6.0
Nitrogen (N), % 0.21 to 0.32
0 to 0.25
Phosphorus (P), % 0 to 0.035
0 to 0.060
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030