Difference Between Stainless Steel Seamless Tubes And Stainless Steel ERW Tubes

 Difference Between Stainless Steel Seamless Tubes And Stainless Steel ERW Tubes 

Sachiya Steel International Leading Manufacturer And Exporters Of Tubes

  1. Seamless tubes,
  2. Welded Tubes (ERW)
  3. Grades - Stainless Steel, Carbon Steel, Super Duplex Steel, Duplex Steel, Alloys Steel, Nickel Alloys, Inconel, Hastelloy.



About Seamless Tubes - In-Seam or Welded Tubes, the seam or the weld-joint is the weaker part of the Tubes limiting the strength of the Tubes to the strength of the weld-joint. Whereas the seamless Tubes does not have any such joint and thus has uniform structure & strength all over the Tubes body.

Seamless Tubes Uses & Applications:

  1. Seamless Tubes are used for general structure and mechanical structure seamless steel Tubes.
  2. A seamless Tubes which have low and medium pressure boiler is used in the manufacturing process of various structural low and medium pressure boiler superheated steam Tubes, boiling water Tubes and superheated steam locomotive boiler tubes, opium Tubes, small Tubes, and brick arch effective for high-quality carbon structural steel hot rolled and cold drawn seamless steel Tubes.
  3. High-pressure boiler seamless steel tube is efficient in the manufacture of high pressure and overpressure water tube boiler heating surface quality carbon steel, alloy steel, and heat resistant stainless steel seamless steel tube.
  4. Oil drilling Tubes use seamless Tubes for oil drilling at both ends of thickening or external upset seamless steel tubes.



About Welded Tubes (ERW) - our different welding processes are typically used for making a tube. Since there is no filler metal in these welds, the welds are at least as strong as the parent metals. High Frequency (HF) Welding. Today, most mild steel and aluminum tube is welded with HF welders, which are also suitable for 400 series stainless and even 300 series if the tubing is for decorative use.

Welded Tubes Uses & Applications:

  1. Spiral welded pipe is widely used in natural gas, petroleum, chemical, electric power, water supply, and drainage, heating, steam heating, hydropower pressure pipe,
  2. thermal power, water, and other long-distance pipeline and piling, dredging, bridges, steel structure engineering. Quality spiral welded pipe transverse bars is thin and low
  3. often filled phenomenon, because manufacturers to achieve large negative tolerance
  4. finished the previous reduction amount is too large, small iron type, the hole filled.

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