1.Size of 1.2311 mold steel (1)round bar Diameter(mm) 20~1200 length (mm) 3000~6000 (2)plate Thickness(mm) max:800 width (mm) max:2200 length (mm) max:6000 The specification can be customized. 2.Similar grades Gb:3cr2mo aisi/sae:p20 din:1.2311 jis:scm4 3.Chemical compositions C:0.28-0.40 si:0.20-0.80 mn:0.60-1.00 p:max0.030 s:max0.030 cr:1.40-2.00 mo:0.30-0.55 4.Features 1. Alloy tool steel which offers good machineability 2. Excellent polished finish 3. Supplied in the hardened and tempered condition ready for machining 4. In this condition it gives excellent wear resistance. 5.Special use:mold steel 6.Surface treatment:black/peeling/polished/machined Technology:hot rolled/forged/cold drawn Heat treatment:annealing/q+t 7.Packaging & delivery In seaworthy packing or based on your order Shipped in 15 days after payment