... .Material:316,CF8M 2.Process by sand casting. 3.The series propeller are used in marine domain. Stainless steel ... customer's requirement,drawings or samples. 1)Material:Stainless steel,Alloy steel,High Nickel and Chromium steel,Carbon ... Special material as customer's requirement; 202,303,304,316,ASTM A743, grade CN7M, CF8M,CF8,304L,316L ... inquiry you may have for castings. Propellers Stainless steel 316