Special Pipes
  • Grooved pipe

     Groove connectiontechnology is a new pipe connections, also called clamp connections. Simpleoperation, construction safety, does not change the original characteristics ofpiping and system stability, easy maintenance, and many other advantages.Divided roll grooving (referred roll groove) and c...

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  • Scaling pipes

    Scaling pipe istapered section and a diverging section constitutes enhanced heat transferpipes. Fluid in the pipe or tube forward by Scaling tube diffusion process, therole of surface contraction caused turbulence and improve heat transfer. Suchheat transfer tube is not easy scaling, better heat tra...

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  • 09CuPCrNi/Q355GNHWeathering steel

      09CuPCrNi/Q355GNHWeathering steelgradeCSiMnPSNiCrCu09CuPCrNi/Q355GNH≤0.120.20~0.500.30~0.500.070~0.090≤0.030≤0.650.20~1.250.25~0.55 09CuPCrNi/Q355GNHField corrosion test dataExposure pointExposure periodCorrosion rateshoreline375m24month50um/a

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  • Alloy pipes 09CrCuSb(namely ND Steel)

     Standard:Q/TDGG0039-2004--------Companies StandardGB/150.2-2011            9948-2000Purpose:Widely used in power plants and refineries in the high-sulfur gasmanufacturing working economizer, airPreheater, heat exchanger and evaporator...

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  • Cryotron

    Standard:Q/TDGG0040-2004--------- Companies StandardPurpose:Suitable for lowtemperature pressure vessel steel.The main production steel grades:09MnD Mechanicalproperties:GradeRm (MPa)ReL (MPa)A (%)Impact TestT (℃)Kv ( J)Q345C470~630≥345≥210≥34Q345D470~630≥345≥21-20≥34Q345E470~630≥345≥21-40≥3409...

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  • Seawater corrosion resistant special pipe 09CrMoAl

     Standard:Q/TDGG0037-2003--------- Companies StandardPurpose:For seawater and wet atmospheric stress corrosionenvironment dedicated seamless steel tubes for pressure vessels.The main productionsteel grades:09CrMoAlMechanical properties:GradeTensile strength (MPa)Yield strength (MPa)Elongation (...

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  • Sulfur corrosion resistant special pipe 07Cr2AlMo

    Standard:Q/TDGG0036-2003--------- Companies StandardPurpose:HS and Cl forstress corrosion environment dedicated seamless steel tubes for pressurevessels.The main production steel grades:07Cr2AlMoMechanicalproperties:GradeTensile strength (MPa)Yield strength (MPa)Elongation (%)07Cr2AlMo380~530≥220≥25...

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  • Transmission fluid Seamless steel pipe

    Standard:GB/T 8163--------- ChinaNational StandardPurpose:Used inpetroleum, natural gas and other general fluid transport.The main production steel grades:10,20, Q345and so onFollowingconsultations, can also be supply other grades of steel pipe. Mechanical properties:StandardGradeTensile streng...

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  • Shaped seamless steel pipe--U-shaped heat exchanger tubes wi...

    Standard:GB/T 151----------China National StandardGB/T 8163--------- China National StandardGB/T 14976-------- China National StandardGB 3087------------China National StandardGB 5310------------China National StandardPurpose:Used in boilers and heat exchangers for petrochemical industry.The main pr...

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  • Allotype Seamless steel pipe- Heat Exchange with Bellows,Spi...

    Standard:GB 150----------ChinaNational StandardGB 151----------China National StandardGB 699----------China National StandardGB/T14976------China National StandardGB/T8163------- China National StandardGB 13296--------China National StandardTD/GG2026------ Companies StandardPurpose:Used in petrochem...

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