· KAIPU Engineering · material-comparison
9Cr18MoV vs 440C: Stainless Steel for Industrial Machine Knives
Chinese GB 9Cr18MoV and AISI 440C are the most-quoted martensitic stainless steels for industrial blades that need corrosion resistance. They are not identical — the Mo and V content make 9Cr18MoV the tougher of the two. Here is the engineering comparison.