Hydraulics Fittings : Socket Weld Fittings K. H. Socket Weld Fittings is manufactured as per SAE Standard. It is available in different class i.e. 3000, 6000 Type Pipe fittings Size 1/8” to 2” Pressure from 270Bar to 760Bar depending on type and size Material Steel, Stainless Steel, Brass (From extruded bar or forging) Surface Treatment Steel - Zinc Coated (A3C) Phospatised or Trivalent Cr. Stainless Steel - Electro polished, Nut Silver Plated to avoid galling. Brass - Natural Full Coupling Half Coupling El Bow 450 El Bow Tee Cross Reducer Cap