... , marine parts and other machinery parts, materials are as follows: 1. Ductile iron: ASTM A 536 Gr.60-40-18,65 ... , SC450, A1, GE230, 230-450,etc.; 4. Stainless steel: CF-8M, CF-8, 1.4408, 1.4308, SCS14A, SCS13, 316, 304, etc.; 5. Alloy ... steel: LCC, 1.1168, SCMn3, 1.7220, SCCrM3, G35CrMo4,etc.; According to ...