1.2311 Die Steel Plate 1) Delivery condition:Hot rolled,black surface,Hardened&Tempering, Hardness:28-34HRC 2)Chemical composition: C=0.28~0.4 Si=0.2~0.8 Mn=0.6~1.0 P-0.03 S-0.03 Cr=1.4~2.0 Mo=0.3~0.55 3).Specification:Dia 20-650mm;Thickness:20/25/30/35...400mm; Width:205/210/...2200mm:Length:2000~5800mm 4).Used for various large-sized or medium-sized precision plastic mould and low melting point alloy parts,like tim,zinc and Lead alloy casting mould. 5).Payment term:prepay 30% deposit. the balance against L/C at sight or T/T.