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AISI 316N Stainless Steel vs. S32050 Stainless Steel

Both AISI 316N stainless steel and S32050 stainless steel are iron alloys. They have 80% of their average alloy composition in common.

For each property being compared, the top bar is AISI 316N stainless steel and the bottom bar is S32050 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 350
220
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 9.0 to 39
46
Fatigue Strength, MPa 230 to 450
340
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
81
Shear Strength, MPa 420 to 690
540
Tensile Strength: Ultimate (UTS), MPa 620 to 1160
770
Tensile Strength: Yield (Proof), MPa 270 to 870
370

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 410
440
Maximum Temperature: Mechanical, °C 940
1100
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
12
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 19
31
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 3.9
6.0
Embodied Energy, MJ/kg 53
81
Embodied Water, L/kg 150
210

Common Calculations

PREN (Pitting Resistance) 27
48
Resilience: Ultimate (Unit Rupture Work), MJ/m3 95 to 230
290
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 1880
330
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22 to 41
27
Strength to Weight: Bending, points 20 to 31
23
Thermal Diffusivity, mm2/s 4.1
3.3
Thermal Shock Resistance, points 14 to 26
17

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 16 to 18
22 to 24
Copper (Cu), % 0
0 to 0.4
Iron (Fe), % 61.9 to 71.9
43.1 to 51.8
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 2.0 to 3.0
6.0 to 6.6
Nickel (Ni), % 10 to 14
20 to 23
Nitrogen (N), % 0.1 to 0.16
0.21 to 0.32
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.020