... 12.5-84mmCategory and GradeAM2 and AM3 anchor chain for ship use and their accessories.Applied StandardISO1704-2007, IACS W18 and ... W22, API-2F(U.S.A), Rules of Classification Societies, GB/T 549-1996 ... (France), CCS(China), DNV(Norway), GL(Germany), KR(Korea), LR(U. K. ), NK(Japan), RINA(Italy), RS(Russia) & Works Certificate Studless ...