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  •  Spiral steel pipe or ssaw steel pipe feature
  • Date:2012-12-16 12:06:04Klick:83
  • Usually strength of spiral pipe is higher than the straight seam pipe. He can use narrower material to produce bigger welding pipe, and can use the same width of raw material to produce different diameter welding pipes....
  •  Definition of nominal diameter
  • Date:2012-12-16 12:05:41Klick:192
  • The DN code is a code that rounds off the diameter of the pipe to get an even number to work with, not the exact diameter. The American version is called NPS and is in english units. DN is the european version and is based on millimeters. F...
  •  Production Process Flow of Steel Pipe
  • Date:2012-12-16 12:05:14Klick:100
  • 1.Process Flow of Seamless Pipe Process Flow of Sanitation Mirror Pipe: Steel Rough--Physical and Chemical Inspection--PeelingInspection--Heating--PiercingPickling--Grinding--Lubricating and Air Drying--Welding Head--Cold Drawing--Solid and...
  •  International Commercial Terms: EXW,FOB,FCA,FAS,CFR,CIF,CPT
  • Date:2012-12-16 12:04:37Klick:177
  • EXW (EX-Works) One of the simplest and most basic shipment arrangements places the minimum responsibility on the seller with greater responsibility on the buyer. In an EX-Works transaction, goods are basically made available for pickup at t...
  •  Introduction about the latest welding pipe technology
  • Date:2012-12-16 12:04:12Klick:110
  • Electric resistance welding(ERW)is a process, which joins metal parts in a bonded joint by using electric power to heat them to welding temperature while at the same time subjecting them to a mechanical force. No filler material is used.Ele...
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