SKD 1 1 belongs to cold-working die steel with daily elevation of carbon and high chromium, and the implementation standard is JIS G4404-2006.

SKD 1 1 has good toughness and high-temperature fatigue resistance, can withstand temperature melting, and is suitable for long-term work at high temperature. It has good cutting performance and polishing performance, and is suitable for deep drawing and cold extrusion dies such as stamping dies and stamping dies, all kinds of scissors, inlaid blades, woodworking blade wire rolling dies and wear-resistant slider cold upsetting dies, thermosetting resin forming dies and advanced gauges.

The chemical composition of SKD 1 1 is as follows: