... JIS- SCS13, SCS1, SCS2 BS-304C15,410C21,420C29 Silica sol process Water glass processCarbon steel ASTM A216-Cr, WCB, WCA, WCC ASTM ... -45,GS-52 JIS-SC410,SC450,SC480,SCC5 Silica sol process Water glass processAlloy steel ASTM-LCC DIN-GS-40Mn5, GS-20Mn5 ... , GS-37MnSi5 JIS-SCMn3, SCW480 UNS-J02505,J13048 Silica sol process Water glass process ...