Forged steel flanges

Forged steel flanges are defined as a plate type device, normally round, that is attached to the end of a pipe, fitting, valve or other object to facilitate the assembly and disassembly of a piping system.

Forged steel flanges made of carbon steel or stainless steel, the materials conform to the JIS, ASTM A182,A105, DIN17100 ST-2 and BS standard. Dimension to be in accordance with JIS ANSI DIN BS standard accordingly.

The flanges are suitable for connection of steel pipes conveying mediums such as steam, oil, air and water. They are widely used in Chemical industry and Shipbuilding . And the flanges are suitable for welding.The flanges mainly include Welding Neck, Blind, Slip-on, Lap-Joint, Socket,Reducing and Plate type.

Size available:1/2″–72″(DN15-DN1800).

We can supply according to the customer’s drawings or samples stating the materials used.

Forged flanges are manufactured in all the different materials to match the material of the pipe and fittings to which they are being attached. While some flanges are made of Cast Iron, the vast majority of flanges are forged carbon steel.

Forged steel flanges are made in seven primary ratings:

  • ANSI B 16.5 Class 150 lb
  • ANSI B 16.5 Class 400 lb
  • ANSI B 16.5 Class 900 lb
  • ANSI B 16.5 Class 2500 lb
  • ANSI B 16.5 Class 300 lb
  • ANSI B 16.5 Class 600 lb
  • ANSI B 16.5 Class 1500 lb

--- Hot flanges by Sunny Steel ---

  • Blind Flanges, BL Flange, BLRF
    The blind flange is used to close ends of piping systems.