... Grades: (1), A, B, D, E, Standards: ABS, BV, LR, GL, DNV, RIVA, NK, CCS and KR. (2), AH32, ... DH32, EH32, FH32, Standards: ABS, BV, LR, GL, DNV, RIVA, NK, CCS and KR. (3), AH36, ... KR. (4), AH40, DH40, EH40, FH40, Standards: ABS, BV, LR, GL, DNV, RIVA, NK, CCS and KR. (5), 2HGr42, ... achieved certifications of the United States ABS, France BV, UK LR, Germany GL, Norway DNV, Italy RINA, Japan NK, ...