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AISI 316 Stainless Steel vs. S32950 Stainless Steel

Both AISI 316 stainless steel and S32950 stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AISI 316 stainless steel and the bottom bar is S32950 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 360
260
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 8.0 to 55
17
Fatigue Strength, MPa 210 to 430
330
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 78
80
Shear Strength, MPa 350 to 690
480
Tensile Strength: Ultimate (UTS), MPa 520 to 1180
780
Tensile Strength: Yield (Proof), MPa 230 to 850
550

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 410
460
Maximum Temperature: Mechanical, °C 590
1100
Melting Completion (Liquidus), °C 1400
1430
Melting Onset (Solidus), °C 1380
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 19
17
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 3.9
3.4
Embodied Energy, MJ/kg 53
47
Embodied Water, L/kg 150
180

Common Calculations

PREN (Pitting Resistance) 26
37
Resilience: Ultimate (Unit Rupture Work), MJ/m3 85 to 260
120
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 1820
730
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18 to 41
28
Strength to Weight: Bending, points 18 to 31
24
Thermal Diffusivity, mm2/s 4.1
4.3
Thermal Shock Resistance, points 11 to 26
21

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 16 to 18
26 to 29
Iron (Fe), % 62 to 72
60.3 to 69.4
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 2.0 to 3.0
1.0 to 2.5
Nickel (Ni), % 10 to 14
3.5 to 5.2
Nitrogen (N), % 0 to 0.1
0.15 to 0.35
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 0.75
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.010