Hite Special Alloy is a high-tech enterprise, mainly engaged in the production of Hastelloy, Monel, Inconel, nickel and other high-temperature alloys.
Alloy 904L (UNS N08904) is a super austenitic stainless steel with 25% nickel and 4.5% molybdenum.
254SMO is is much more resistant than ASTM TP316, and in naturally aerated sulphuric acid containing chloride ions Sandvik 254 SMO exhibits higher resistance than 904L grade.
654SMO is high N alloyed austenitic grade with 7-8% Mo,which makes it the most corrosion resistant stainless steel in the world.