... (234-366) 1.Material:316,CF8M 2.Process by sand casting. 3.The series propeller are used in marine domain. Propeller ... steel,High Nickel and Chromium steel,Carbon steel,Special material as customer's requirement; 202,303,304,316,ASTM A743, grade ... ,316L,430F,430,440A.2)Process:Investment casting, silicasol casting or lost wax casting,water glass casting and sand casting;3)Standard:ASTM,JIS,DIN,BS;4 ...