ASTM A790 UNS S31803 / ASTM A789 UNS S31803 Duplex Pipe Tube | Stainless Steel Pipe Suppliers
ASTM A789 / ASTM A790 Uns S31803 duplex pipe tube is a duplex stainless steel tube with good chloride stress resistance, It contains 21% Cr, 4.5% Ni & 2.5% Mo.