Hebei Haihao Group

  • What is butt welding mean?

    What is butt welding mean?

    The method of butt welding is a welding joint.In the process of butt welding,material together two parts in one line is parallel along the edge.Butt welded joints can be made by a large continuous or portable welding machine operation.Butt welded joint is ...
  • The 21th Iran oil show is started in Tehran

    The 21th Iran oil show is started in Tehran

    The 21th Iran oil show in Tehran is started,which held at 5-8,May,2016. Hebei haihao group bring the sample products and company catalogues to the exhibition.We are in the hall 38th, booth No. 1738-1. The-21th-Iran-oil-show-in-Tehran-is-started haihao-gr ...
  • Hebei haihao pipe fitting factory finish the Aerospace fuel piping systems order

    Hebei haihao pipe fitting factory finish the Aerospace fuel piping systems order

    In october,Hebei haihao pipe fitting factory just finished the fittings order of piping system for airplane fuel ,the order products are steel pipes and pipe fittings with external 3LPE coating and internal epoxy paint lining. steel-pipe-epoxy-lining-thick ...
  • How to choose the type of stainless steel pipe fitting?

    How to choose the type of stainless steel pipe fitting?

    Because stainless steel pipe fitting is their condition in a variety of different joint designed to work, and therefore needs to choose a suitable pipe fitting type, in order to achieve the best use of join performance. Mainly reflected in the characterist ...
  • offer steel pipe fitting & flange—hebei haihao group

    offer steel pipe fitting & flange—hebei haihao group

    We are a carbon steel pipe fitting company in hebei provence, china. Since 1982 we began to making pipe fittings & flanges. We have a pipe fitting & flange factory in cangzhou, hebei provence. And now we have improve our pipe fitting quality and sc ...
  • ANSI B16.5/ ANSI B16.47 Forged Steel Flange

    ANSI B16.5/ ANSI B16.47 Forged Steel Flange

    ANSI STANDARD FLANGE: Forge-Steel-Flange-Ansi-B16-5-B16-47 ANSI B16.5 Class 150 Forged Flanges Dimensions are in inches. (a)-Bolt hole diameter 1/8 in. larger than bolt diameter.(b)-Standard bore dimensions provided. See bolt chart for other wall thickne ...