Imphy Alloys has signed a contract with DSME (Daewoo Shipbuilding and Marine Engineering Co Ltd) for the supply of Invar® M93 for 10 LNG carriers and 10 optional ones. Imphy Alloys is a company within the stainless steels sector of the Arcelor group, specialising in nickel and cobalt alloys. Invar® M93 is a 36% nickel alloy used in LNG tanks designed with membrane technology.