OEM ANSI B16.5 Stainless Steel 304 304L Wn Weld Neck Pipe Flanges 15mm-6000mm

OEM Manufacturer ANSI B16.5 Stainless Steel 304 304L Wn Welding Neck Flange

There are two kinds of forging processes for the neck butt welding flange:

1: Die forging; Namely, the steel raw material is heated to 1200 C in the heating furnace, and then put into the mold of corresponding specifications for forging. For 2 "- 10" (DN50-DN250), the inner hole shall be punched with a specific punch.

2: It is free forging. Heat up the raw material in the heating furnace to 1200C, then forge the square material into a round cake shape, punch the hole, and use special equipment (roller and horse frame) to expand the hole of the punched raw material to the required size. Suitable for specifications above (DN300-DN3000).

Cangzhou Authentic Fittings is specializes in manufacturing & exporting carbon steel pipe fittings and flanges. The professional manufacturing capacity of FITTINGS strongly guarantees the high quality, competitive price and short delivery time,has have accumulated rich experience and good reputation in years of serving customers, which making us a reliable pipe fittings & flange supplier to clients from countries over the world.

We have also achieved PED,AD 2000-Merkblatt W0,ABS,ISO,GOST API 5L approved.

Quality is our top most priority. Over the years, we have worked to solve problems previously associated with our fittings and have improved product designs for better performance. A strict quality management system is implemented to control each phase of production. The quality of our products is also guaranteed by our advanced production equipment. These help us save raw materials, shorten production time and reduce production costs. Being of excellent quality and reasonable prices, our products are well received in many countries such as UK, Italy, Germany, the United States, Canada, Chile, Bolivia, United Arab Emirates, Brazil and so on.