There are two main processes that are most commonly used to manufacture stainless steel piping. These result in two different types of pipe, seamless steel piping and welded steel piping, which each have their own advantages and disadvantages. Additionally, stainless steel piping and tubing can be manufactured in smaller batches by using several additional processes including centrifugal casting and bar trepanning.

Seamless Stainless Steel Piping
Seamless stainless steel piping, or seamless steel pipe, is formed by drawing a heated solid billet, or cylindrical bar of steel, over a piercing rod to create a hollow shell. Rollers are then used to produce the proper diameter and wall thickness. This type of stainless steel piping can withstand pressure better than welded pipe because it does not have any seams to create weak spots. It is often used in the chemical and petroleum industries

Welded Stainless Steel Piping
Welded stainless steel piping is created by rolling a flat steel plate and welding the seam. After welding this seam, it can be removed from the outside or inside surface of a pipe using a scarfing blade. The weld seam can also be heat treated to make the seam less visible. Welded pipe can be cheaper to manufacturer than seamless pipe. Welded stainless steel piping is used in a variety of applications that require corrosion resistance.

About Our Stainless Steel Piping
At HYSP QCCO China Steel we can supply a wide variety of sizes and grades of stainless steel piping to meet your needs. We have relationships with a large number of mills, manufacturers, and master distributors, which allows us to supply even the most unusual sizes and grades. We can supply stainless steel piping in a variety of grades including 304, 316, 317, 321, 309, and 346 as well as some 400 series grades. We can cut any new or used stainless steel piping to your required lengths for easy installation.

Some of the markets has been custom manufacturing stainless steel tubing and extrusions for include:

• Aerospace
• Energy Production / Power Generation
• Condenser
  • Feedwater Heater
  • Heat Exchanger
  • Nuclear Instrumentation
• Desalination
• Water
• Specialized Applications
• Medical
• General Commercial