D2 (DIN 1.2379, X153CrMoV12, JIS SKD11) is a high-carbon, high-chromium cold work tool steel containing 1.50-1.60% carbon and 11.00-13.00% chromium, with additions of molybdenum (0.70-1.20%) and vanadium (0.50-1.10%). The high chromium content forms a dense network of chromium carbides throughout the matrix, giving D2 its defining characteristic: exceptional resistance to abrasive wear in cold forming and cutting applications. In the hardened and tempered condition, D2 achieves 58-62 HRC with minimal dimensional change during heat treatment - a result of its semi-air-hardening behaviour and low distortion response. D2 is the most widely used cold work tool steel globally for blanking and piercing dies, trimming and cropping tools, thread rolling dies, and long-run forming tools where wear life is the primary design criterion.
Nifty Alloys supplies D2 / 1.2379 from stock in Dubai, UAE, in round bar, flat bar/gauge plate, and plate/block in the annealed condition, ready for customer heat treatment. All material is supplied with EN 10204 3.1 Mill Test Certificates as standard - confirming chemical composition, annealed hardness, and full traceability to mill source. EN 10204 3.2 third-party inspection is available on request. We deliver across the UAE within 24-48 hours and export to Saudi Arabia, Kuwait, Qatar, Oman, and Bahrain. Contact our team for same-day quotation and current stock availability.
