• A manufacturer for special materials pipes, tubes,fittings,materials including nickel-based alloy, austenitic, ferritic, duplex stainless steel
  • stainless steel seamless pipe,duplex stainless steel seamless tubes, nickel alloy, nickel base alloy seamless tube and pipe,butt-welding fitting, elbow, tee, cross, flange,valve.
  • Zhongzhou Special Alloy Tube Co.,ltd is glable special alloy and stainless steel products company, which is international piping system material manufacturer and upplier, office located in Shanghai. In glable business, we have sucess to entrying North America, Europea, East Asia, Austrialia,Africa market.Our focus on natural gas transportation,offshore unit,chemical refining,nuclear power,shipbuilding,steel structure,machining and so on piping system engineering. We have strong resources integration, production and processing base are located in Shanghai and Jiangshu province, The factories in Shanghai and Jiangsu,which have vacuum smelting, non-vacuum smelting, horizontal continuous casting, forging, heat treatment and production lines advanced in the industry, and has international advanced technology and complete inspection means. Produces focus on : nickel base alloy,cobalt base alloy,iron base alloy,austenitic stainless steel,super austenitic stainless steel,duplex and super duplex stainless steel,high alloy material products; type are bars,pipes,tubes,fittings,flanges,which are widely used in metallurgy,cars,thermal power, nuclear power, petro-chemical, aviation and aerospace, rail transportation , paper industry,water industry and so on. Material and size as follows: Nickel based Alloy : ASTM SB163, SB165, SB444, SB622, SB407, SB535, SB677, SB668, SB729,Inconel 600,601,625,670,690,718,X-750;Inconel 800,800H/HT,825,840,901,926,330,20;Hastelloy C-276 Super stainless steel: 904L,254MO Duplex/Super Duplex UNS S31803,S32205,S32750,S32760, ASTM A/SA312, A/SA213, A/SA269, EN10216-5 Austenitic Pipe & Tube Standard:GOST9941-81, GOST5632-72 .ASTM/ASME A312/SA312, A269/SA269, ASTM A511, EN10216-5,DIN17458-85,DIN17456-85,JIS G3459,JISG3463,JISG3448,JISG3446,304,304L,316,316L,316Ti,310S,309S,321,321Ti,347 Oil and Gas Cement and Minerals Fertilizers and Petrochemicals Metallurgy and cars industry Mechanical industry Wastewater Treatment and other water industry paper industry, aviation and aerospace Transmission and rail transportation thermal power and other power Generation nuclear power Environmental and Safety our strong supporting layer and our sales’ professional skills will help customers to supply efficient and timely packaged supporting serivces. We have some stock bars ,pipes, fittings .Our quality is always satisfied by our clients, we are strictly controling the whole production and testing. We will always adhere to the policy of
    • English

    standard flange

    ASTM A105: The standard for carbon steel flanges and piping components, especially for high-temperature applications.
    ASTM A182: The standard for alloy and stainless steel flanges and fittings. Alloy steel flanges are often preferred for corrosion resistance and high temperatures.
    ASTM A240: The standard for stainless steel plate flanges, which are strong and resistant to corrosion at high temperatures.
    ASTM A36: A low-carbon steel that’s often used for steel flanges because of its welding properties.
    ASTM A536: The standard for ductile iron, which is used for backing flanges.
    ASTM A694: A standard for carbon steel flanges.
    ASTM F2880: The standard for lap-joint type flange adapters for polyethylene pressure pipes.

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