1.F. C is 95% 2.1-10mm,sulfur 0.4 max, ... steel Specifications of 90%-95%:1. F·C:95%, V.M:1.0%(MAX),A:4.0%(MAX ... :1.0%(MAX),S:0.20%(MAX)2. F·C:93%, V.M:1.5%(MAX),A:5.5 ... MAX),S:0.30%(MAX)3. F·C:92%, V.M:1.5%(MAX),A:6.5%(MAX ... MAX),S:0.30%(MAX)4. F·C:90%, V.M:2.0%(MAX),A:8.0%(MAX),MOI: ... shipbuilding sandblast to remove rust,producing carbon materials. 2.About Factory •Experience More than 20 years experience ...