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AISI 316N Stainless Steel vs. S33425 Stainless Steel

Both AISI 316N stainless steel and S33425 stainless steel are iron alloys. They have 85% 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 S33425 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 350
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 9.0 to 39
45
Fatigue Strength, MPa 230 to 450
210
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
79
Shear Strength, MPa 420 to 690
400
Tensile Strength: Ultimate (UTS), MPa 620 to 1160
580
Tensile Strength: Yield (Proof), MPa 270 to 870
230

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 410
500
Maximum Temperature: Mechanical, °C 940
1100
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
14
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 19
27
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.9
5.1
Embodied Energy, MJ/kg 53
71
Embodied Water, L/kg 150
190

Common Calculations

PREN (Pitting Resistance) 27
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 95 to 230
210
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 1880
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22 to 41
20
Strength to Weight: Bending, points 20 to 31
19
Thermal Diffusivity, mm2/s 4.1
3.7
Thermal Shock Resistance, points 14 to 26
13

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.6
Carbon (C), % 0 to 0.080
0 to 0.080
Chromium (Cr), % 16 to 18
21 to 23
Iron (Fe), % 61.9 to 71.9
47.2 to 56.7
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 2.0 to 3.0
2.0 to 3.0
Nickel (Ni), % 10 to 14
20 to 23
Nitrogen (N), % 0.1 to 0.16
0
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0
0.15 to 0.6