Features 1.Alloy tool steel which offers good machineability. 2. Excellent polished finish for large section. 3.Supplied in the hardened and tempered condition ready for machining. 4. In this condition it gives excellent wear resistance. Applications 1. Ideally suited for the production of plastic moulds. 2.Die holders, zinc die casting dies, backers, bolsters and injection moulds. 3. Shaf,rails and wear strips. Chemical composition C Si Mn P S Cr Mo 0.28~0.40 0.20~0.80 0.60~1.00 â?¤0.030 â?¤0.030 1.40~2.00 0.30~0.55 size round bar Diameter(mm) Length(mm) Max 800 Max 9000 plate Thickness(mm) Width(mm) Length(mm) Max 800 Max 1500 Max 6000 The above is our regular size, We also can provide customized sizes!