Preston Pipes and Alloys is a well-known producer, supplier, distributor, and stockiest of Stainless Steel 321, 321H Welded (ERW, EFW) Pipes/Tubes in Mumbai, India. SS 321 grade is a chromium-nickel steel grade. Stainless Steel 321 welded pipes are resistant to atmospheric corrosion, sterilizing solutions, various organic chemicals, as well as a wide range of inorganic chemicals. SS 321 Welded Pipes is a common austenitic 18/8 stainless steel alloy. The titanium content makes it a good option for high pressure environments of up to 900 degree C.

Preston Pipes and Alloys is involved in the production of 321-grade pipes and tubes of various types across India. For instance, SS 321 Welded pipes/ tubes, SS 321 ERW Pipes/Tubes, and SS 321 EFW pipes/tubes.Stainless Steel 321H is a high carbon version of the 321 grade providing a higher temperature resistance. The SS 321 Welded Pipes and SS 321 Welded Tubes exhibit very good welding and forming capabilities. Due to this property, they are used widely in temperatures ranging from more than 500 degrees C.

Our SS 321 EFW pipes are majorly used in manufacturing of pressure vessels, heat exchangers, pharmaceutical equipment and chemical processing equipment in Gujarat, India. We manufacture these 321 grades welded pipes and tubes in many sizes, dimensions, thicknesses, and lengths in Mumbai, India. Apart from the standard sizes, we also produce our pipes and tubes in custom sizes according to our esteemed customer’s requirement in Rajasthan, India.

The Stainless Steel Welded 321H Tubes are generally used for applications that require heating temperature in the range of 800 degrees F and 1650 degree F, for instance, aircraft collector rings, exhaust manifolds, expansion joints, and high-temperature chemical process equipment. The overall characteristics of our Stainless Steel 321H Welded Pipes make them an extraordinary, relatively inexpensive option for a wide variety of applications. We, at Preston Pipes and Alloys are one of the best manufacturers of Stainless Steel 321 ERW pipes in Mumbai, India. To assure the best quality of our pipes and tubes we perform various tests on our pipes and tubes.

The tests performed are flattening test, Positive Material Identity test, product analysis, transverse tension test, etching test, radiographic examination, grain size test, hardness test, bend test, flare test, stabilizing heat treatment, intergranular corrosion test and so on. We use advanced technologies to manufacture our pipes and tubes, thus producing top-notch quality products.