Supplier: Cold working tool steel (d2, 1.2379, d3, 1.2080, 01, 1.2510), hot working tool steel (h13, 1.2344, h13esr, h21, 1.2567, 6g, 1.2311, l6, 1.2713), plastic mold steel (p20, 1.2311, p20+ni, 1.2739, 420, 1.2316), high speed tool steel (m2, 1.3343, t1, 1.3355), carbon tool steel (w1a-9), and alloy structural steel.
