309 - Stainless Steel Buttweld Fittings

Raw Material ASTM A 403 Gr. WP309 Ed. 2020
C % 0.20 Max.
Mn % 2.000 Max
P % 0.045 Max.
S % 0.030 Max.
Si % 1.000 Max.
Cr % 22.00-24.00
Ni % 12.00-15.00
Stainless 309 Buttweld Flanges Manufacturers & Suppliers

 Stainless 309 Buttweld Flages Manufacturers, Exporters & Suppliers in India


When a company needs a flange that will stand up to the demands of the most demanding applications, they often turn to Stainless Steel 309 Buttweld Flanges. Although these types of flanges are available in many states, they are also available from a specialized supplier such as Nitech Stainless Inc. They provide a comprehensive range of stainless steel flanges.


These fittings are manufactured using SS 309, 310, or 310S. They are available in different specifications and cut to fit the exact specifications of the application. You can also request custom-cutting of the flanges according to your specific needs. 


You can contact us through the inquiry button on our website to find out more about the available sizes and specifications. We have a comprehensive range of buttweld flanges for sale, and you can request a quote.


The chemical composition of stainless steel 316 flanges makes it an excellent choice for heat exchangers, boilers, and other applications. Moreover, the flanges are extremely ductile and strong. Since the alloy 309 contains less carbon, it is less likely to crack or deform after welding. Stainless steel 309 Buttweld flanges are available in different sizes, wall thicknesses, and diameters.


Stainless Steel 309 Buttweld pipe fittings are manufactured by hot forming. They undergo bending and forming to produce a shape that resembles a buttweld. They are made from seamless or welded material, and they can withstand a wide range of temperatures, from 10 to 1100 degrees Celsius. You can also find wrought pipe fittings in this material that are identical to SS 304 buttweld flanges but with higher carbon content.


Stainless Steel 309 is an austenitic type of stainless steel that has excellent corrosion resistance and high temperature. Its tensile strength and creep strength are similar to those of 18-8 Stainless Steel, but it is more heat-resistant and resistant to marine environments. SS 309 is available in rolled tempered forms. As with all stainless steel, you can order a variety of products from Siddhagiri Metals and Tubes.


These flanges are easy to install and maintain. They do not require additional coatings and have a life expectancy of 50 years. This means that they can save you money on a replacement, maintenance, and downtime costs. Using flanges also eliminates the need to blast pipe spools and paint them. All of these advantages make stainless steel flanges the ideal choice for piping and other applications.