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forging carbon weld neck steel reducer flange A694 flange

Most ASTM A694 F52 flange manufacturers state that the flange has enhanced mechanical properties such as its high tensile strength, good heat resistance and corrosion resistance.

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Therefore, ASTM A694 F70 flanges tend to be more durable. Another benefit of using A694 F70 blind flanges is their good weldability. ASME SA 694 F65 flanges also tend to provide good formability. The dimensions of ASTM A694 flanges shall conform to standard specifications MSS SP44, ASME B16.47 and ASME B16.5. Although ASTM A694 steel grade is not recognized by ASME B16.47 and ASME B16.5, many prominent oil and gas companies have acquiesced in its use. Hydrocarbons, steam and general industrial services operating at sub-zero temperatures use the high yield CS A694 butt weld flanges that are easiest to bolt on. SA 694 flanges are used to connect pipes, valves, pumps and other equipment to form a piping system. It is usually in welded or threaded form. Its connection is made by bolting two flanges together with a gasket between them to provide a seal.

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