The primary difference between 316 and 316L stainless steel lies in their carbon content. 316L has a significantly lower carbon content (up to 0.03%) than 316 (up to 0.08%). The lower carbon content of 316L makes it more resistant to intergranular corrosion and carbide precipitation (defects that can occur during welding), making it a preferred choice for welding applications such as pharmaceutical equipment and chemical processing vessels. 316 stainless steel offers slightly improved mechanical properties, such as strength and creep resistance, making it more suitable for non-welded components or applications where weld corrosion is less of a concern.
Is 316L stainless steel waterproof?
While 316L stainless steel is highly water-resistant, it's not completely waterproof. While it's known for its excellent corrosion resistance, especially in aqueous environments, prolonged exposure to harsh environments like saltwater or chlorinated water will eventually damage its protective coating.
Chemical Compatibility Chart Of DIN 1.4436
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 316 | min. | – | – | – | – | – | 16.0 | 2.0 | 10.0 | – |
| max. | 0.08 | 2.0 | 0.75 | 0.045 | 0.03 | 18.0 | 3.0 | 14.0 | 0.10 | |
Chemical Compatibility Chart Of UNS S31603
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | Fe |
| SS 316L | 0.035 max | 2 max | 1.0 max | 0.045 max | 0.030 max | 16.0-18.0 | 2.0-3.0 | 10.0-14.0 | 68.89 min |
Mechanical Properties Database Of UNS S31600
| Grade | Elongation (% in 50mm) min | Strength of Yield 0.2% Proof (MPa) minimum | Strength of Tensile (MPa) minimum | Pipe Hardness | |
| Rockwell B (HR B) maximum | Brinell (HB) maximum | ||||
| 316 | 40 | 205 | 515 | 95 | 217 |
Typical Mechanical Property Ranges Of Type 316l
| Melting Point | Density | Tensile Strength | Elongation | (0.2%Offset) Yield Strength |
| (2550 °F)1400 °C | 8.0 | MPa – 515, Psi – 75000 | 35 % | MPa – 205, Psi – 30000 |
Gnee Steel specializes in the production and sale of a wide range of stainless steel products, including 304, 316, 321, 904, 904L, 2205 Duplex, 2205 Duplex, and 316L stainless steel. Gnee Steel's products are widely used in the kitchen, aerospace, chemical, power, automotive, and nuclear energy sectors. We also provide custom stainless steel solutions tailored to customer needs. For stainless steel pricing or custom alloy solutions, please email ru@gneesteelgroup.com for a quote.
