Hastelloy is a corrosion resistant alloy and has a higher work hardening rate than the austenitic stainless steels which should be taken into consideration. Hastelloy has a smooth surface and has an excellent aesthetic appearance and will not easily fray or unravel, is stable and rigid. Hastelloy construction provides durable and strong packing that can withstand the harshest environments.Hastelloy Expanded Wire mesh specification the most versatile mesh uniformly slit and stretched, forming a diamond pattern of openings in the finished sheet and has numerous patterns by using the different molds.