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  • 2017/7/14
    Steel plate for bridge:
  • 2017/7/14
    No matter which industry which products, fake and shoddy products are we do not accept, but we have no way to expel them one by one, then we need to know how to distinguish between true and false
  • 2017/7/13
    The use of seamless steel pipe is very wide, some of the pipeline to transport liquid or some parts, are made with it. And whether it is from the performance, or life point of view, are much stronger than the welded steel pipe.
  • 2017/7/13
    Many types of composite steel plate, according to their combination type can be divided into two categories, namely, metal composite steel plate and non-metallic composite steel plate.
  • 2017/7/13
    Seamless steel pipe because of its different manufacturing process, is divided into hot-rolled (extruded) seamless steel pipe and cold drawn (rolling) seamless steel pipe two.
  • 2017/7/13
    Plate is mainly used in construction, machinery manufacturing, container manufacturing, shipbuilding, bridge construction. Can also be used to make all kinds of containers, furnace shell, furnace plate, bridge and car static steel plate
  • 2017/6/22
    Also known as square and rectangular cold-formed hollow steel, referred to as square tube and rectangular tube, code-named F and J
  • 2017/6/22 The characteristics of galvanized pipe
    The biggest advantage of zinc sulfate galvanization is the current efficiency of up to 100%, the deposition rate is fast, which is unmatched by other galvanizing process.
  • 2017/6/22
    Galvanized steel pipe grades and chemical composition should be consistent with GB 3091 of the black tube steel grades and chemical composition.
  • 2017/6/22
    In order to improve the corrosion resistance of steel pipe, the general steel pipe galvanized. Galvanized steel pipe hot galvanized and electro-galvanized two, hot galvanized galvanized layer thickness, galvanized low cost
  • 2017/6/22
    The molten metal is reacted with the iron matrix to produce an alloy layer, so that both the substrate and the coating are bonded. Hot-dip galvanizing is the first pickling of the steel pipe
  • 2017/6/22
    Since the 1930s, with the rapid development of high-quality strip rolling and the improvement of welding and inspection technology, the quality of welds has been increasing
  • 2017/6/17
    Hot-rolled coil is slab (mainly continuous casting slab) as raw material, after heating by the roughing mill and finishing mill made of strip. The hot steel strip from the final rolling mill is cooled to a set temperature by laminar flow
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