DS Pipe and Steel Supply

Weldbend Corp

For over 60 years, Weldbend has produced the industry’s highest quality domestically manufactured carbon steel fittings and flanges. As a family-owned and operated company, Welbend’s mission is to deliver a level of service unrivaled in the industry. Weldbend is proud to be America’s choice for carbon steel butt-weld fittings & flanges, and they are the only domestic manufacturer of both carbon steel fittings and flanges.

Weldbend produces various steel fittings and flanges used in various industries, including oil and gas, chemical, and power generation. Their products are known for their high quality and durability and are used in critical applications where safety and reliability are paramount.

Some of their products include:


  • Elbows
  • Tees
  • Reducers
  • Caps
  • Stub Ends
  • Crosses
  • Laterals
  • Custom Fittings


  • Weld Neck
  • Slip-On
  • Blind
  • Socket Weld
  • Lap Joint
  • Threaded
  • Custom Flanges

Specialty Products

  • Swage Nipples
  • Bull Plugs
  • Pipe Nipples
  • Pipe Couplings
  • Branch Connections
  • Orifice Flanges
  • Spectacle Blinds

These products are available in various materials, such as carbon steel, stainless steel, and alloy steel.

Weldbend is committed to environmental sustainability and has implemented several initiatives to reduce its carbon footprint, including the use of recycled materials in its manufacturing processes, energy-efficient lighting systems, and a comprehensive recycling program.The company has received numerous awards and recognitions, including being named one of the top 100 workplaces in the Chicago area by the Chicago Tribune. Weldbend was also recognized for its philanthropic efforts and is involved in several charitable organizations, including the Weldbend Foundation, which supports education and workforce development initiatives.