
9Cr18MoV vs 440C Stainless Blade Steel
Chinese GB 9Cr18MoV and AISI 440C are the most-quoted martensitic stainless steels for industrial blades that need corrosion resistance.

Chinese GB 9Cr18MoV and AISI 440C are the most-quoted martensitic stainless steels for industrial blades that need corrosion resistance.

An Indian pharma converter cutting 50 µm 304 stainless foil at 80 m/min was getting 7 days from a D2 slitter. The fix was a 9Cr18MoV stainless slitter.

A runnable cross-reference table for cold-work tool steel, high-speed steel, martensitic stainless and carbide grades. Find the equivalent of AISI D2, M2, M4.

AISI 440C is the standard martensitic stainless steel for industrial cutting tools, bearings and food-contact blades. High-carbon, 17 % Cr.