... ,JIS Standard Various Types of Alloy Steel Die Blocks1.The Types and Specifications of Die Blocks:Shafts:Dia.(length x width)60 ... x Width x Length >=100×200-450 × <=5000mm;2.Heavy Die Blocks Pre-hardened For Plastic Working with excellent homogenized hardness ... at same section and totally +/-3HRC.3.Steel Grades of Die Blocks:AISI H13,H11,A2,O1, D2, S2,DIN1.2379 ...