shipbuilding steel plate 1.Grade:GB, ASTM,JIS,DIN,BS,EN 2. ... Name: Shipbuilding and Oil Platform Steel Plate The Representative Grades: (1), A, B, D, E, Standards: ABS, BV, LR, GL, DNV ... DNV, RIVA, NK, CCS and KR. (3), AH36, DH36, EH36, FH36, Standards: ABS, BV, LR, GL, DNV, RIVA, NK, CCS ... 450 500 series, super-wide steel plate for building ship(width 4500mm) and steel plate for pipe line(such as X70 ...