Hebei haihao flange factory got the production plan in october for the high pressure flange ASTM A694 F65 material flanges.
The flanges are weld neck flange Class 900, RF sealing face as per ASME B16.47 Serie A , they are going to be jointed in the oil and gas pipeline, quality is very important . Our client and end user visited and checked many flange factories in China and other countries from the beginning of this year. After nearly ten months evaluation, our company was qualified from all the suppliers becuase of our excellent production capacity and quality control.
We have rich experience in the production of high strength forged matrial flanges of ASTM A694 series, like ASTM A694 F46, F52, F56, F60, F65, F70 grade steel. Haihao flange is professional about the manufacturing process and raw material selection, the most important thing is we also have trustworthy technical about the heat treatment of such steel materials，which has very strict heat treatment request.
After the inspection of the client, the flanges are as per ASTM A694 standard and client requirement completely,then we made the package for these large size flanges
, We believe ,our goods will support our clients project successfully.