ʻO Wilktoff no 1.4462 Duplex Steel pipa fitings i loaʻa i ke kū'ēʻana i ka corrosition i loko o ka corrosion,ʻoi aku ka nui o ka crlordide a me ka sulphide i loko o ka chloride. ʻO ka maʻamau,ʻo ka papa hana maʻamau e hiki ai ke maʻalahi e hōʻemi i kēia mau kūlana,ʻaʻole e like me nā mea kila kila e pili ana i ke kaua