• Room 904,Area A of One world business center,Yunhe District,Cangzhou,Hebei,China
  • 0086-317-3072427
  • info@sfittings.com
  • HOME / About production

    We make each fitting carefully, hardly,  “Shean”  responsible enterprise. 

    Stainless steel Butt welded Pipe Fittings making progress

    • Purchase pipes as raw material: according to customers’ requirement (material, Seamless or Welded, pipe thickness ), to buy pipes from qualified plant with full chemical & physical test certificate.
    • Cut pipes by cutting machine: to remove burrs if any and orderly layout.
    • Elbow pushing by cold forming elbow machine: This is the main procedure of elbow maker, according to customer’s requirement, to find correct mould (size, radius, thickness) to push.
    • Heat treatment to remove stress.
    • Polish: remove black color of fittings.
    • Fittings bevel end by bevel machine, make bevel conformity with Fittings standard.
    • Penetrability test: via media device to check if any cracks or other defects around the butt welded pipe fitting.
    • Shot blast: Put fittings into shot blast machine, finished fittings keeps good surface looking.
    • Bevel end: bevel pipe fittings ends by bevel machine according to Standards.(ASTM,GOST,DIN,ISO,GB etc)
      Marking according to requirements.
    • Packing: by carton, then pallets or veneer case.

    Stainless steel casting pipe fittings produce progress

    • Make moulds according to drawings: Mould made by special technician with alloy steel to keep mould deform and precision.
    • Wax injection: choose good quality wax , it is not easy to melt and easy to shape parts.
    • Wax mould repair: move was burr and replenish small defect to keep all fittings shape smooth and good.
    • Make trees;Shell making: cover wax tree with synthetic liquid;De wax: make wax out of the thick shell.
    • Sintering: melt stainless steel materials under temperature 1000-1200 to adjust chemical components during this process .
    • Chemical test: send casted piece to spectral meter to analysis contents of the piece to issue each lot with correct chemical figures. Report is coming out, to mark the casting lot accordingly, easy to separate default ones from all if any chemical problems.
    • Shell remove;Cut stainless steel trees;Grinding; Shot blast: Put casted fittings into shot blast machine to remove sands;Heat treatment to remove stress.
    • Acid pickling: change black color to stainless steel white color.
    • Cast piece inspection: check if any nodes inside or outside of the piece or other casting defects. Then do related treatment.
    • Machining by CNC machine: Threaded or plain machining, groove etc
    • Inspection: Thread, dimension, surface or any other inspect depend on different products.
    • Marking according to request.
    • Packing: plastic bag, carton, veneer case.

    Thin wall compression fittings making procedure

    • Purchase pipes as raw material: according to customers’ requirement (material, Seamless or
      Welded, pipe thickness ), to buy pipes from qualified plant with full chemical & physical test certificate.
    • Mould made by special technician with alloy steel to keep mould deform and precision.
    • Cut pipes by cutting machine: to remove burrs if any and orderly layout.
    • Fittings shape form by special machine along with mould.
    • Curling ends by the machine to finish the fittings form.
    • Heat treatment to remove stress.
    • Solid solution treatment to get fresh color of thin wall press fittings.
    • Dry and clean.
    • Leakage test by special machine to issue fittings quality.
    • Rubber ring installed, good material rings will keep long life of fitting quality.
    • Inspection: check dimension, thickness, rings and surface.
    • Marking according to request.
    • Packing: plastic bag, carton, veneer case.
  • WELCOME X

    Shean (Cangzhou) Corp Ltd

    Address: Room No.904,Area A of One world business center,
    Yun he District ,Cangzhou,Hebei Province,China

    Tel:0086-317-3072427

    0086-15530484404

    Fax:0086-317-3047113

    Email:info@sfittings.com

    sales@sfittings.com

    Http:www.sfittings.com