As a leading Chinese Hastelloy alloy supplier, AEETHER manufactures and produces different sizes of Hastelloy Alloy W bars. HASTELLOY® W alloy (UNS N10004) is a solid-solution-strengthened super alloy that was developed primarily as a filler metal for welding of dissimilar alloys. It displays excellent dissimilar welding characteristics, and is widely used for that purpose in the gas turbine and aerospace industries.