... Duplex Stainless steelUNS S32205,UNS S31803,UNS S32750,UNS S32760ProcessWeld,Forged,Hot-push,Casting PrintingCarbon steel and alloy steel with yellow print ... ,)6) Applications range: For use in the petroleum, smelting, foodstuff, power, papermaking, chemical, medical equipment, aviation, boiler heat exchanger, and other ...