Duplex flanges can be manufactured and supplied in a variety of sizes and pressure ratings to meet project specific requirements of our customers. Our duplex pipe and fitting products are widely supplied to many industries including boiler manufacturing, brewing tanks and desalination plants.
Duplex stainless steel pipes and duplex fittings are generally lower in cost, as lower percentage of alloying element is used in the manufacture of duplex stainless steel.
STAINLESS STEEL & DUPELX STEEL FLANGES :
Size : 1/2" to 48" NB, ANSI B 16.5
Standard : 150#, 300#, 600#, 900#, 1500#, 2500# in ASA 150 & ASA 300
Stainless Steel : ASTM A 240 /182 F - 304/304H/304L/316/316H/316L/316Ti/309/310/317L/321/347/904L
Duplex steel : ASTM A 182 - F51, F53, F55
1. Corrosion resistance