Properties

These steel grades are generally supplied under the supervision of classification societies, in accordance with the appropriate regulations in each case. Plates can be supplied as rolled, shotblasted or shotblasted and painted.

Advantages

Depending on the part of the ship where the steel is to be used, toughness values at different temperatures and/or through-thickness mechanical properties can be required. Weldability is often a key requirement.

Applications

Steels for shipbuilding can be used for the entire range of shipbuilding applications e.g. for the hull and interior of ships.

Agreements

The maximum thickness approved in shipbuilding specifications can be communicated on request by your sales agent.

Available options

Options available (after prior agreement):

Brand correspondence

 American Bureau of Shipping ABBureau Veritas BVDet Norske Veritas-Germanischer Lloyd DNV-GLRINALloydNKK
Naval A AB/ABV-AVL-AGrade ALR-AKA
Naval B AB/BBV-BVL-BGrade BLR-BKB
Naval D AB/DBV-DVL-DGrade DLR-DKD
Naval E AB/EBV-EVL-EGrade ELR-EKE
AH-27 AM FCE ----LR-AH27S-
DH-27 AM FCE ----LR-DH27S-
EH-27 AM FCE ----LR-EH27S-
AH-32 AM FCE AB/AH32BV-AH32VL-A32AH32LR-AH32KA32
DH-32 AM FCE AB/DH32BV-DH32VL-D32DH32LR-DH32KD32
EH-32 AM FCE AB/EH32BV-EH32VL-E32EH32LR-EH32KE32
FH-32 AM FCE AB/FH32BV-FH32VL-F32-LR-FH32-
AH-36 AM FCE AB/AH36BV-AH36VL-A36AH36LR-AH36KA36
DH-36 AM FCE AB/DH36BV-DH36VL-D36DH36LR-DH36KD36
EH-36 AM FCE AB/EH36BV-EH36VL-E36EH36LR-EH36KE36
FH-36 AM FCE AB/FH36BV-FH36VL-F36-LR-FH36-
AH-40 AM FCE AB/AH40BV-AH40VL-A40-LR-AH40-
DH-40 AM FCE AB/DH40BV-DH40VL-D40-LR-DH40-
EH-40 AM FCE AB/EH40BV-EH40VL-E40-LR-EH40-
FH-40 AM FCE AB/FH40BV-FH40VL-F40-LR-FH40-

Dimensions

Table B below gives the maximum thicknesses available, based on certifications issued by classification societies.

 

For all dimensions available, see Table A in data sheet H99.

 

Table B


 ABSBVDNV-GLLRNKKRINA
Naval A8080100805060
Naval B8080100805060
Naval D8080100805060
Naval E8080100805060
AH-27 AM FCE  8080  
DH-27 AM FCE  8080  
EH-27 AM FCE  8080  
AH-32 AM FCE8080100805060
DH-32 AM FCE8080100805060
EH-32 AM FCE8080100805060
FH-32 AM FCE25258025  
AH-36 AM FCE8080100805060
DH-36 AM FCE8080100805060
EH-36 AM FCE8080100805060
FH-36 AM FCE25258025  
AH-40 AM FCE25505050  
DH-40 AM FCE25505050  
EH-40 AM FCE25505050  
FH-40 AM FCE25252525  

Mechanical properties


 
Direction
Thickness (mm)
Re (MPa)
Rm (MPa)
A 5.65√So (%)
KV 0°C (J)
KV -20°C (J)
KV -40°C (J)
KV -60°C (J)
Naval AT5 - 100≥ 235400 - 520≥ 22----
Naval BL5 - 50---≥ 27---
50 - 70≥ 34
70 - 100≥ 41
T5 - 50≥ 235400 - 520≥ 22≥ 20---
50 - 70≥ 24
70 - 100≥ 27
Naval DL5 - 50----≥ 27--
50 - 70≥ 34
70 - 100≥ 41
T5 - 50≥ 235400 - 520≥ 22-≥ 20--
50 - 70≥ 24
70 - 100≥ 27
Naval EL5 - 50-----≥ 27-
50 - 70≥ 34
70 - 100≥ 41
T5 - 50≥ 235400 - 520≥ 22--≥ 20-
50 - 70≥ 24
70 - 100≥ 27
AH-27 AM FCEL5 - 50---≥ 27---
50 - 70≥ 34
70 - 100≥ 41
T5 - 50≥ 265400 - 530≥ 22≥ 20---
50 - 70≥ 24
70 - 100≥ 27
DH-27 AM FCEL5 - 50----≥ 27--
50 - 70≥ 34
70 - 100≥ 41
T5 - 50≥ 265400 - 530≥ 22-≥ 20--
50 - 70≥ 24
70 - 100≥ 27
EH-27 AM FCEL5 - 50-----≥ 27-
50 - 70≥ 34
70 - 100≥ 41
T5 - 50≥ 265400 - 530≥ 22--≥ 20-
50 - 70≥ 24
70 - 100≥ 27
AH-32 AM FCEL5 - 50---≥ 31---
50 - 70≥ 38
70 - 100≥ 46
T5 - 50≥ 315440 - 570≥ 22≥ 22---
50 - 70≥ 26
70 - 100≥ 31
DH-32 AM FCEL5 - 50----≥ 31--
50 - 70≥ 38
70 - 100≥ 46
T5 - 50≥ 315440 - 570≥ 22-≥ 22--
50 - 70≥ 26
70 - 100≥ 31
EH-32 AM FCEL5 - 50-----≥ 31-
50 - 70≥ 38
70 - 100≥ 46
T5 - 50≥ 315440 - 570≥ 22--≥ 22-
50 - 70≥ 26
70 - 100≥ 31
FH-32 AM FCEL5 - 50------≥ 31
50 - 70≥ 38
70 - 100≥ 46
T5 - 50≥ 315440 - 570≥ 22---≥ 22
50 - 70≥ 26
70 - 100≥ 31
AH-36 AM FCEL5 - 50---≥ 34---
50 - 70≥ 41
70 - 100≥ 50
T5 - 50≥ 355490 - 630≥ 21≥ 24---
50 - 70≥ 27
70 - 100≥ 34
DH-36 AM FCEL5 - 50----≥ 34--
50 - 70≥ 41
70 - 100≥ 50
T5 - 50≥ 355490 - 630≥ 21-≥ 24--
50 - 70≥ 27
70 - 100≥ 34
EH-36 AM FCEL5 - 50-----≥ 34-
50 - 70≥ 41
70 - 100≥ 50
T5 - 50≥ 355490 - 630≥ 21--≥ 24-
50 - 70≥ 27
70 - 100≥ 34
FH-36 AM FCEL5 - 50------≥ 34
50 - 70≥ 41
70 - 100≥ 50
T5 - 50≥ 355490 - 630≥ 21---≥ 24
50 - 70≥ 27
70 - 100≥ 34
AH-40 AM FCEL5 - 50---≥ 39---
50 - 70≥ 46
70 - 100≥ 55
T5 - 50≥ 390510 - 650≥ 20≥ 26---
50 - 70≥ 31
70 - 100≥ 37
DH-40 AM FCEL5 - 50----≥ 39--
50 - 70≥ 46
70 - 100≥ 55
T5 - 50≥ 390510 - 650≥ 20-≥ 26--
50 - 70≥ 31
70 - 100≥ 37
EH-40 AM FCEL5 - 50-----≥ 39-
50 - 70≥ 46
70 - 100≥ 55
T5 - 50≥ 390510 - 650≥ 20--≥ 26-
50 - 70≥ 31
70 - 100≥ 37
FH-40 AM FCEL5 - 50------≥ 39
50 - 70≥ 46
70 - 100≥ 55
T5 - 50≥ 390510 - 650≥ 20---≥ 26
50 - 70≥ 31
70 - 100≥ 37

Charpy V notch impact test specimens should be taken in the longitudinal direction. Transverse test specimens are not usually required. Transverse test results for plates and wide flats should be guaranteed by the supplier.



Chemical composition


 
C (%)
Mn (%)
P (%)
S (%)
Si (%)
Al (%)
Cu (%)
Cr (%)
Ni (%)
Mo (%)
Ceq (%)
N2 (%)
Naval A≤ 0.21≥ 2.5*Cmin≤ 0.035≤ 0.035≤ 0.50-≤ 0.30≤ 0.20≤ 0.40≤ 0.08--
Naval B≤ 0.21≥ 0.60≤ 0.035≤ 0.035≤ 0.35-≤ 0.30≤ 0.20≤ 0.40≤ 0.08--
Naval D≤ 0.21≥ 0.60≤ 0.035≤ 0.0350.10 - 0.35≥ 0.020≤ 0.30≤ 0.20≤ 0.40≤ 0.08--
Naval E≤ 0.18≥ 0.70≤ 0.035≤ 0.0350.10 - 0.35≥ 0.020≤ 0.30≤ 0.20≤ 0.40≤ 0.08--
AH-27 AM FCE≤ 0.180.9 - 1.60≤ 0.035≤ 0.035≤ 0.50≥ 0.020≤ 0.35≤ 0.20≤ 0.40≤ 0.08≤ 0.36≤ 0.012
DH-27 AM FCE≤ 0.180.9 - 1.60≤ 0.035≤ 0.035≤ 0.50≥ 0.020≤ 0.35≤ 0.20≤ 0.40≤ 0.08≤ 0.36≤ 0.012
EH-27 AM FCE≤ 0.180.9 - 1.60≤ 0.035≤ 0.035≤ 0.50≥ 0.020≤ 0.35≤ 0.20≤ 0.40≤ 0.08≤ 0.36≤ 0.012
AH-32 AM FCE≤ 0.180.9 - 1.60≤ 0.035≤ 0.035≤ 0.50≥ 0.020≤ 0.35≤ 0.20≤ 0.40≤ 0.08≤ 0.36≤ 0.012
DH-32 AM FCE≤ 0.180.9 - 1.60≤ 0.035≤ 0.035≤ 0.50≥ 0.020≤ 0.35≤ 0.20≤ 0.40≤ 0.08≤ 0.36≤ 0.012
EH-32 AM FCE≤ 0.180.9 - 1.60≤ 0.035≤ 0.035≤ 0.50≥ 0.020≤ 0.35≤ 0.20≤ 0.40≤ 0.08≤ 0.36≤ 0.012
FH-32 AM FCE≤ 0.160.9 - 1.60≤ 0.025≤ 0.025≤ 0.50≥ 0.020≤ 0.35≤ 0.20≤ 0.40≤ 0.08≤ 0.36≤ 0.012
AH-36 AM FCE≤ 0.180.9 - 1.60≤ 0.035≤ 0.035≤ 0.50≥ 0.020≤ 0.35≤ 0.20≤ 0.40≤ 0.08≤ 0.38≤ 0.012
DH-36 AM FCE≤ 0.180.9 - 1.60≤ 0.035≤ 0.035≤ 0.50≥ 0.020≤ 0.35≤ 0.20≤ 0.40≤ 0.08≤ 0.38≤ 0.012
EH-36 AM FCE≤ 0.180.9 - 1.60≤ 0.035≤ 0.035≤ 0.50≥ 0.020≤ 0.35≤ 0.20≤ 0.40≤ 0.08≤ 0.38≤ 0.012
FH-36 AM FCE≤ 0.160.9 - 1.60≤ 0.025≤ 0.025≤ 0.50≥ 0.020≤ 0.35≤ 0.20≤ 0.40≤ 0.08≤ 0.38≤ 0.012
AH-40 AM FCE≤ 0.180.9 - 1.60≤ 0.035≤ 0.035≤ 0.50≥ 0.020≤ 0.35≤ 0.20≤ 0.40≤ 0.08≤ 0.40≤ 0.012
DH-40 AM FCE≤ 0.180.9 - 1.60≤ 0.035≤ 0.035≤ 0.50≥ 0.020≤ 0.35≤ 0.20≤ 0.40≤ 0.08≤ 0.40≤ 0.012
EH-40 AM FCE≤ 0.180.9 - 1.60≤ 0.035≤ 0.035≤ 0.50≥ 0.020≤ 0.35≤ 0.20≤ 0.40≤ 0.08≤ 0.40≤ 0.012
FH-40 AM FCE≤ 0.160.9 - 1.60≤ 0.025≤ 0.025≤ 0.50≥ 0.020≤ 0.35≤ 0.20≤ 0.40≤ 0.08≤ 0.40≤ 0.012

For A/B/D/E grades, the carbon + 1/6 of the manganese content should not exceed 0.40%. The steel should contain aluminium, niobium, vanadium or other suitable grain-refining elements, either singly or in any combination. When these elements are used singly, the steel should contain the specified minimum content of the grain-refining element (0.02% ≤ Nb ≤ 0.05%, 0.05% ≤ V ≤ 0.10%, Ti ≤ 0.02%). When used in combination, the specified minimum content of each element is not applicable.

 

Nb + Ti + V ≤ 0.12%

 

For *H grade, Ceq requirements apply only for TM rolling conditions and thicknesses < 50 mm.



For commercial information (quotations, deliveries, product availability):

For technical questions about these products: flateurope.technical.assistance@arcelormittal.com


All details provided in the ArcelorMittal Flat Carbon Europe S.A. catalogue are for information purposes only. ArcelorMittal Flat Carbon Europe S.A. reserves the right to change its product range at any time without prior notice.