440C Stainless Steel Bar is a high-carbon high-chromium martensitic stainless steel solid bar, famed for ultra-high hardness and exceptional wear resistance that can be further enhanced by heat treatment. It has moderate corrosion resistance, suitable for dry and low-corrosion working environments, with weldability achievable via professional pre and post-processing. Available in round, square, flat and hexagonal profiles with customizable dimensions, lengths and fine surface finishes, it features high precision and structural stability, a premium choice for precision industrial machining requiring extreme wear resistance.