Kencotube is one of the leading manufacturer & dealer of high quality Duplex Steel Rods , which is two-phase, ferritic, austenitic 22% chromium, 3% molybdenum, 5 to 6% nickel alloyed stainless steel. Due to its high chromium, molybdenum, and nitrogen content, Duplex Steel UNS S31803 Bars demonstrate superior corrosion resistant properties to 316 and 316L in most environments.