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The stainless steel seamless pipe is a pipe made through a series of processes such as heating, tempering, cooling, etc. It has no interfaces, no gaps and welds, and has excellent corrosion resistance and high strength. Stainless steel seamless pipes are manufactured by hot rolling, cold rolling, cold drawing and other manufacturing methods. According to different materials, they can be divided into several series such as austenitic stainless steel, nickel-cobalt alloy stainless steel, martensitic stainless steel, etc.
The application field of stainless steel seamless pipes is very wide, mainly used in chemical, petroleum, electric power, aviation, shipbuilding, medicine and other industries. Its advantage is that it can be used under special conditions such as high temperature and high pressure, low temperature and low pressure and strong corrosion, while also ensuring the sealing and stability of the pipeline.
Specifications and models of stainless steel seamless pipes
There are many specifications and models of stainless steel seamless pipes. According to different production processes and materials, they can be divided into the following common specifications and models:
- Outer diameter range: Φ6-Φ830mm; wall thickness range: 0.5-55mm; length range: unlimited; normal production length 6m-12m.
- Wall thickness model of stainless steel seamless round tube: SCH-5S, SCH-10S, SCH-20S, SCH-40S, SCH-80S, etc.
- Wall thickness model of stainless steel seamlesssquare tube: 1.0mm-20mm.
- Wall thickness model of stainless steel seamlessrectangular tube: 1.0mm-20mm.
The above are only some common specifications and models, and there are many special specifications and models that need to be produced according to specific needs.
Quality standards for seamless stainless steel pipes
As an important pipe material, the quality standard of stainless steel seamless pipes must be strictly controlled. At present, the following standards are generally used at home and abroad to control the quality of stainless steel seamless pipe:
- Domestic standards: GB/T14975, GB/T14976, GB13296.
- International standards: ASTM A213, ASTM A269, ASTM A312, ASTM A789, EN10216-5.
When producing and using stainless steel seamless pipes, the corresponding standards should be followed to ensure the quality and safety of the pipes.
Application scope of stainless steel seamless pipes
Since stainless steel seamless pipes have excellent corrosion resistance and high strength, they are widely used in many fields. The following are the main application areas of stainless steel seamless pipes:
- Chemical industry: used to transport various corrosive media in chemical equipment.
- Petroleum industry: used to transport oil and gas inoil drillingand mining.
- Power industry: used to transport high-pressure and high-temperature media in power stations.
- Aerospace industry: used to transport high-pressure and high-temperature media in aircraft engines and spacecraft.
- Pharmaceutical industry: used as a transport medium in the pharmaceutical process.
- Beverage and food industry: used in the transport of high-pressure and high-temperature liquid foods and beverages.
Read more: How to Detect the Quality of Stainless Steel Seamless Pipes?
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