H11 alloy tool steel 1.high quality and competitive price 2.delivery time:30-35days 3.payment terms:T/T,L/C H11 alloy tool steel(1)Diameter:50-380mm Thickness:20-250mm width:60mm(2)Delivery status:black/grinded/machined(3)package:in seaworthy packing (4)chemical composition:C=0.33~0.43, Si=0.80~1.20, Mn=0.20~0.50, Cr=4.75~5.50, Mo=1.10~1.60, V=0.30~0.60