Yes, X5CrNiMo refers to a stainless steel grade commonly known as AISI 316. It is an austenitic stainless steel that contains chromium, nickel, and molybdenum, which contributes to its excellent corrosion resistance, particularly in marine environments.
On the other hand, EN GJS 450, also known as ductile cast iron or spheroidal graphite cast iron, is a material characterized by a high carbon content and the presence of graphite in spherical