316L Stainless Steel Pipe
Everything You Need to Know About 316L Stainless Steel Pipe
316L stainless steel pipe is a low-carbon stainless steel that is more corrosion-resistant than other types of stainless steel. Due to its excellent resistance to seawater corrosion, it is also known as marine-grade stainless steel. 316L stainless steel pipe is widely used in various industries, including chemical, pharmaceutical, food and beverage, marine, oil and gas, automotive, and aerospace.
Does 316 stainless steel work harden?
316 stainless steel has good machinability, and its properties can be enhanced by the following techniques: The cutting edge should be sharp. A dull edge will cause work hardening. Cutting pressure should be gentle, but deep enough to prevent the cutting edge from sliding on the surface and causing work hardening.
Chemical Composition of 316L Stainless Steel Pipes and Tubes
The chemical composition of 316L stainless steel pipe includes carbon, chromium, nickel, molybdenum, manganese, silicon, phosphorus, and sulfur. These chemical elements give 316L stainless steel pipe its unique properties. Chromium provides excellent corrosion resistance, while nickel enhances strength and ductility. Molybdenum further improves the material's corrosion resistance, making it suitable for highly corrosive environments.
The chemical composition of 316L grade stainless steel is summarized in the following table
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 316L | Min | - | - | - | - | - | 16.0 | 2.00 | 10.0 | - |
| Max | 0.03 | 2.0 | 0.75 | 0.045 | 0.03 | 18.0 | 3.00 | 14.0 | 0.10 |
Mechanical Properties of 316L Stainless Steel Pipes and Tubes
The mechanical properties of 316L stainless steel pipe include tensile strength, yield strength, elongation, and hardness. The tensile strength is the maximum amount of stress the stainless steel material can withstand before it begins to deform. The yield strength is the stress at which the material begins to deform plastically. Elongation refers to the percentage of the original length that the material can stretch before it breaks. Hardness is a measure of the material's resistance to indentation or deformation.
The mechanical properties of 316L grade stainless steel are shown in the table below.
| Grade | Tensile Str (MPa) min |
Yield Str 0.2% Proof (MPa) min |
Elong (% in 50mm) min |
Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 316L | 485 | 170 | 40 | 95 | 217 |
316L Stainless Steel Pipes and Tubes Physical Properties
Physical properties of 316L grade stainless steel in the annealed condition
| Grade | Density (kg/m3) |
Elastic Modulus (GPa) |
Mean Co-eff of Thermal Expansion (µm/m/°C) | Thermal Conductivity (W/m.K) |
Specific Heat 0-100°C (J/kg.K) |
Elec Resistivity (nΩ.m) |
|||
| 0-100°C | 0-315°C | 0-538°C | At 100°C | At 500°C | |||||
| 316L | 8000 | 193 | 15.9 | 16.2 | 17.5 | 16.3 | 21.5 | 500 | 740 |
Gnee Steel specializes in the production and sale of a wide range of stainless steel products, including pipes, plates, bars, coils, and fittings in 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.