Alloy 316/316L
316 is molybdenum-bearing austenitic stainless steel, which increase general corrosion resistance, improves resistance to pitting from chloride ion solutions, and provides increased strength at elevated temperatures. The higher nickel and molybdenum content in this grade allows it to demonstrate better overall corrosion resistant properties than 304, especially with regard to pitting and crevice corrosion in chloride environments. In addition, Alloy 316/ 316L provides excellent elevated temperature tensile, creep and stress-rupture strengths, as well as outstanding formability and weldability. 316L is the lower carbon version of 316 and is immune from sensitization; therefore, it is very frequently used in heavy gauge welded components.
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Gnee Steel (Tianjin) Co., Ltd. is one of the most professional manufacturers and suppliers of alloy 316/316l in China. With abundant experience, we warmly welcome you to wholesale customized alloy 316/316l from our factory. For price consultation, contact us.
316 is molybdenum-bearing austenitic stainless steel, which increase general corrosion resistance, improves resistance to pitting from chloride ion solutions, and provides increased strength at elevated temperatures. The higher nickel and molybdenum content in this grade allows it to demonstrate better overall corrosion resistant properties than 304, especially with regard to pitting and crevice corrosion in chloride environments.
In addition, Alloy 316/ 316L provides excellent elevated temperature tensile, creep and stress-rupture strengths, as well as outstanding formability and weldability. 316L is the lower carbon version of 316 and is immune from sensitization; therefore, it is very frequently used in heavy gauge welded components.
Chemical Composition (%) of 316 Stainless Steel Plate
| C | Mn | Si | P | S | Cr | Mo | Ni | N |
| 0.08 | 2.00 | 0.75 | 0.045 | 0.03 | 16.0-18.0 | 2.00-3.00 | 10.0-14.0 | 0.10 |
Mechanical Properties of 316 Stainless Steel Plate
| 0.2% Offset Yield Strength, ksi | Ultimate Tensile Strength, ksi | Elongation in 2 inches, % | Hardness, Rockwell B |
| 25 min | 70 min | 40 min | 95 max |
Physical Properties of 316 Stainless Steel Plate
| Density lb/inᶟ | 0.285 |
| Density g/cmᶟ | 7.89 |
| Melting Range | 2470-2555°F/1354 – 1402 °C |
| Thermal Conductivity at 212°F (100°C) | 8.0 BTU/hr/ft²/ft/°F |
| Thermal Conductivity at 212°F (100°C) | 10.8 W/m-°K |
| Electrical Resistivity | 30.7 Microhm-in at 68°C |
| Electrical Resistivity | 78 Microhm-cm at 20°C |
Applications of 316 Stainless Steel:
Chemical and Petrochemical Processing — pressure vessels, tanks, heat exchangers, piping systems, flanges, fittings, valves and pumps
Food and Beverage Processing
Marine
Medical
Petroleum Refining
harmaceutical Processing
Power Generation — nuclear
Pulp and Paper
Textiles
Water Treatment
Corrosion Resistance
In most applications Alloy 316/316L has superior corrosion resistance to Alloy 304/304L. Process environments that do not corrode Alloy 304/304L will not attack this grade. One exception, however, is in highly oxidizing acids such as nitric acid where stainless steels containing molybdenum are less resistant. Alloy 316/316L performs well in sulfur containing service such as that encountered in the pulp and paper industry. The alloy can be used in high concentrations at temperatures up to 120°F (38°C).
Alloy 316/316L also has good resistance to pitting in phosphoric and acetic acid. It performs well in boiling 20% phosphoric acid. The alloy can also be used in the food and pharmaceutical process industries where it is utilized to handle hot organic and fatty acids in an effort to minimize product contamination.
Alloy 316/316L performs well in fresh water service even with high levels of chlorides. The alloy has excellent resistance to corrosion in marine environments under atmospheric conditions.
The higher molybdenum content of Alloy 316/316L assures it will have superior pitting resistance to Alloy 304/304L in applications involving chloride solutions, particularly in an oxidizing environment.
In most instances, the corrosion resistance of Alloys 316 and 316L will be roughly equal in most corrosive environments. However, in environments that are sufficiently corrosive to cause intergranular corrosion of welds and heat-affected zones Alloy 316L should be used because of its low carbon content.
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