Duplex S31803 is used for applications in aggressive environments like chemical processing, oil and gas exploration, marine applications, as well as for offshore platforms. We at Global Steel appreciate the requirements of such key industries and have designed Duplex S31803 flanges for withstanding harsh pressure, high temperature, as well as corrosive elements with great reliability ... https://www.globalsteelindustries.com/duplex-s31803-flanges-manufacturers-suppliers-stockists-exporters.html