Article List

• The advantages and components of Butterfly Valves

  The advantages and components of Butterfly ValvesA Butterfly valve is a quarter-turn rotational motion valve, that is used to stop, regulate, and start flow. A butterfly valve has a disc which is mounted on a rotating shaft. When the butterfly valve is fully closed, the disk completely blocks the li

  Product knowledge August 25, 2021
• General Requirements for the Purchase of Pipes for Use in Oil and Gas Industries

  LengthUnless otherwise indicated in the purchase order, pipe should be supplied in the following lengths:The average length of pipes in one order should be not less than 11.6 m with a minimum of 95% of pipes between 11 and 12.2 m in length.No pipe should be less than 10 m in length.No pipe should b

  Product knowledge August 20, 2021
• An Overview Of Seamless Pipes

  SMLS pipe is produced by heating a round billet of steel and then piercing it with a bullet-shaped piercer, over which the steel is stretched. This is followed by rolling and drawing to produce the desired dimensions. The final product is hydrostatically tested, inspected, coated if required, and st

  Product knowledge July 23, 2021
• Where is flange used?

  Flanges are used to connect pipe, valves, pumps and other equipment to from a piping system. It also provides easy access for cleaning, inspection or modification.Flanges are joined by bolting, and sealing is often completed with the use of gaskets or other methods.

  Product knowledge August 11, 2021
• THREADING CARBON STEEL PIPE FITTINGS

  For the material of carbon steel pipe fittings, there are some threaded types of fittings.BARREL NIPPLE: another name is long nipple, it is produced by cutting pipes and process with threading. The length can be customized, the usage is for connecting.KIM NIPPLE: some buyer call it king nipple, one

  Product knowledge July 25, 2021
• THREAD STANDARD OF MALLEABLE IRON PIPE FITTINGS

  For all over the world, different countries requires different standard of thread for malleable iron pipe fittings.The main catagery is BSPT, NPT, DIN,

  Product knowledge August 01, 2021
• HOT ROLLED AND COLD ROLLED SHEETS

  Customers often ask us about the differences between hot rolled steel and cold rolled steel. There are some fundamental differences between these two types of metal. The differences between hot rolled steel and cold rolled steel relates to the way these metals are processed at the mill, and not the

  Product knowledge July 26, 2021
• ASTM A53 PIPES

  ASTM A53 pipe (also referred to as ASME SA53 pipe) is intended for mechanical and pressure applications and is also acceptable for ordinary uses in steam, water, gas and air lines. It is suitable for welding and for forming operations involving coiling, bending, and flanging, subject to certain qual

  Product knowledge August 09, 2021
• THE DIFFERENCE BETWEEN FORGED & CAST STEEL FLANGE

  Flanges can either be forged or cast. Both manufacturing methods have their advantages and disadvantages, depending on the application you have in mind for your flange. We HEBEI METAL TRADING CO LTD primarily deal with forged flanges due to the outdated nature and lower standard of quality of cast f

  Product knowledge July 28, 2021
• HOT ROLLED AND COLD ROLLED PRODUCTS

  Hot rolled products like hot rolled steel bars are used in the welding and construction trades to make railroad tracks and I-beams, for example. Hot rolled steel is used in situations where precise shapes and tolerances are not required. Cold Rolled SteelCold rolled steel is essentially hot rolled s

  Product knowledge August 02, 2021