Introduction of 316 stainless steel tube

Date:Jul 20, 2019

316 stainless steel pipe is a hollow strip of round steel, which is widely used in industrial transportation pipelines such as petroleum, chemical, medical, food, light industry, mechanical instrumentation and mechanical structural components. In addition, when the bending and torsional strength are the same, the weight is light, so it is also widely used in the manufacture of mechanical parts and engineering structures. Also used to produce a variety of conventional weapons, barrels, shells and so on.

The main varieties of 316 stainless steel pipes can be divided into: 316 stainless steel bright tube, 316 stainless steel decorative tube, 316 stainless steel capillary tube, 316 stainless steel welded tube and so on. The 316L stainless steel tube has a maximum carbon content of 0.03 and can be used in applications where annealing is not possible after welding and maximum corrosion resistance is required. However, 316 stainless steel cannot be hardened by heat treatment. The overall performance of the steel grade is better. Under high temperature conditions, when the concentration of sulfuric acid is lower than 15% and higher than 85%, 316 stainless steel has a wide range of uses.

316 stainless steel is also resistant to erosion by marine and aggressive industrial atmospheres. Heat resistance 316 stainless steel has good oxidation resistance in intermittent use below 1600 °C and continuous use below 1700 °C. In the range of 800-1575 degrees, it is preferable not to continuously apply 316 stainless steel, but when 316 stainless steel is continuously used outside this temperature range, the stainless steel has good heat resistance. Annealing is carried out at a temperature ranging from 1850 to 2050 degrees, followed by rapid annealing and rapid cooling. 316 stainless steel cannot be hardened by heat treatment. 316 stainless steel has good welding properties. All standard welding methods can be used for welding. When welding, 316Cb, 316L or 309Cb stainless steel filler rods or welding rods can be used for welding according to the application. For best corrosion resistance, the welded section of 316 stainless steel requires post-weld annealing. If 316L stainless steel is used, post-weld annealing is not required.

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