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    The product standard name of hot-dip galvanized steel pipe is "hot-dip galvanized welded steel pipe for low-pressure fluid transportation", which is the internal and external hot-dip galvanized on the basis of welded steel pipe, so that the internal and external walls of the steel pipe are simultaneously plated with zinc layer, which greatly improves the anti-corrosion performance of the steel pipe, reaching about 20 times that of ordinary steel pipe.
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Product Name |
Hot Dipped Galvanized Round Pipe Medium |
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Wall Thickness |
0.8mm~6.0mm |
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Grade |
GB/T3091 - 2001: Q195,Q235 , Q345,BS1387 - 1985Â |
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Standard |
GB/T3091 - 2001 ,BS1387 - 1985 , DIN EN10025 ,EN10219 , JIS G3444:2004 , ASTM A53 |
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BS1387 - 1985 , DIN EN10025 ,EN10219 |
S235JR ,S275JR,S355JR, S355J2H |
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JIS G3444 |
2004:STK400 ,STK500 |
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ASTM A53 |
GR. A , GR. B, GR. C , GR. D |
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     Before cutting, the outer diameter of the steel pipe should be calibrated according to the pipe layout. The outer diameter error and wall thickness error should be within the allowable tolerance range. The cut end face of the processed pipe should be perpendicular to the central axis of the pipe. This product refers to ASTM A53, British standard BS1387, GB/T3091 and GB/T13793, and should not be exposed to acid, alkali, salt and other non-neutral environment.
    Hot dipped galvanized pipe: hot dipped galvanized pipe owns thicker zinc coating than pre-galvanized pipe ,black pipes will be dipped into zinc pool for galvanized.
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   DN15-DN300 hot-dip galvanized round pipe; Hot dip galvanizing of round pipe and square pipe, with diameter of 219-1420mm spiral welded pipe Use: for water, sewage, gas, fire, air, oil, heating steam and other low pressure fluid transportation and mechanical structure. As a transportation pipeline or metal structure, hot-dip galvanized steel pipe is widely used in fire engineering, natural gas transmission, oil processing industry, water conservancy engineering construction and residential construction.
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   Our company cooperates with major steel mills and has advanced production lines for sheet and pipe materials, complete testing equipment, and a strict quality assurance system.
    We specializes in various kinds of steel concerned building materials. Such as Galvanized round pipe, square/rectangular/Irregular pipe, Scaffold pipe, various steel coils/stripe/plate, PC wire, PC strands, rebar, photovoltaic bracket, Angle steel, U/H/C-shaped steel and so on.
    Especially our patented products-Rare Earth Weather & Corrosion Resistant Steel, it is a green, environmentally friendly, and corrosion-resistant new type of steel that can replace traditional galvanizing and rust prevention processes.
http://www.hsdcsteel.com/