"BON" wrought steel butt-welding pipe fittings and flanges are produced under strict quality control. It is widely used in the building & construction, chemical, oil & gas, shipbuilding industries worldwide.
Pipe fittings: ASTM A234 WPB , JIS B2311, ASME B16.9, ANSI B16.28
Flanges: ANSI, JIS, DIN, BS
Black or Galvanized