EAF / ESR, Forged, Black / Milled, Annealed / QT our company is a manufacturer of tool steel in Shaoguan City, Guangdong, China, engaged in the following steels:Cold work tool steel: like D2, D3, O1, A2, etc.Hot work tool steel: like H13, H11, L6, etc.Plastic mold steel: like P20, 1.2312, 718, etc. Dia: 60-350mmT: 40-350mmW: 300-610mmL: 2-4.5m Welcome to contact us at any time... AISI P20