Flange Ring Flange

   Flange Standard: ASME; ANSI/DIN; BS; JIS; EN; ... Raw material:  Carbon Size:  0.25"~56"~max. Type: WN; SO; BL; SW; PL; THRD... Facing:  RF; RTJ; FF; FM; M; T; G; ... Pressure: Standard Carbon steel flange, that is, a flange plate or end flange connection made of carbon steel. It contains a flange made of carbon steel, called a carbon steel flange. Common materials are cast carbon steel grade WCB, forgings A105, or Q235B, A3, 10#, #20steel, 16 manganese, 45 steel, Q345B, etc. Usually to prevent rust flange surface has an electroplating layer (yellow zinc, white zinc, etc.), or brush antirust oil and spray antirust paint. Chinese national standard for carbon steel flange GB/T9119-2010 marine standard CB M1001-81 thermal power standard D-GD87-1101 Mechanical Department Standard JB/T81-94 JB/T79.4-94 JB/T83-94 Ministry of Chemical Industry Standard HG20593-97 / HG20617-97 National standard GB/T9119-2010 Marine standard CB M1001-81 CB M1002-81 Flange sealing surfaces and gaskets Thermal power standard D-GD87-1101 National Building Standard S02403 European standard EN14420-2 Yellow zinc plated carbon steel flange sheet Yellow zinc plated carbon steel flange sheet American flange drilling standard ANSI B 16.5        The pressure marking specified in this standard is divided into PN marking and Class marking. PN marking has 12 pressure ratings They are: PN2.5; PN6; PN10; PN16; PN25; PN40; PN63; PN100; PN160; PN250; PN320; PN400 Class is marked with 6 pressure ratings They are: Class 150; Class 300; Class 600; Class 900; Class 1500; Class 2500 Another layer of carbon steel flange means: according to the size and tolerance range required by the national standard production of flanges, different from the flange pieces not produced according to the standard size is also called two standard flanges (some people call non-standard flanges are incorrect), usually some unscrupulous merchants will reduce the thickness of the flange, the outer diameter of the two dimensions to achieve the purpose of saving materials, and the use of scrap steel or scrap steel processing flange, usually this steel is chemical composition and mechanical properties of the substandard scrap, and even the use of black steel mill private steelmaking to produce flanges, The steelmaking technology used in this private steelmaking is outdated and cannot guarantee mechanical properties and welding properties, and it may not be possible to weld with steel pipes when used, or the steel itself will leak after welding. Therefore, when buying flanges, try to use carbon steel flanges.     Q: Are you a trading company or a manufacturer?A:We are a manufacturer ,we are integrated company of industry and tradeQ:Why should I choose you?* You are promised to obtain the best quality, price, and service.* Wide excellent experiences with after-sale service.* Every process will be checked by responsible QC which ensures every product's quality.*We pay attention to have long-term cooperation with our clients , treat every client seriouslyQ:Do you have experience for big projects ?A:yes , we do .we have good experince for many big project , such as the power plant , Nuclear power station , oil refiningproject , naturalgas project ...Abillity to work with big project .Q: Can you produce the products according to my own drawings?A: Yes, we can produce the products according to your drawings.we have profession engineers in our factory .  /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1