American Bureau of Shipping: ABS
Bureau Veritas: BV
China Classification Society: CCS
Det Norske Veritas: DNV
Germanischer Lloyd: GL.
Korean Register of Shipping: KR
Lloyd’s Register of Shipping: LR
Nippon Kaiji Kyokai: NK
Registro Italiano Navale : RINA
Thickness: 4mm to 260mm,
Width: 1200mm to 4000mm
Length: 3000mm to 18000mm.
ABS |
BV |
CCS |
DNV |
GL |
KR |
LR |
NK |
RINA |
ABS AH40 |
BV AH40 |
CCS AH40 |
DNV AH40 |
GL AH40 |
KR AH40 |
LR AH40 |
NK AH40 |
RINA AH40 |
C max |
Mn |
Si |
P max |
S max |
Al max. |
Cb |
V |
Ti max. |
Cu max. |
Cr max. |
Ni max. |
Mo max. |
0.18 |
0.90-1.60 |
0.10-0.50 |
0.035 |
0.035 |
0.015 |
0.02-0.05 |
0.05-0.10 |
0.02 |
0.35 |
0.20 |
0.40 |
0.08 |
Yield Strength (MPa) min. |
Tensile Strength (MPa) |
Elongation in 8 in. min. % |
Elongation in 2 in. min. % |
390 |
510-650 |
19 |
22 |
Shipbuilding steel plate BV Grade AH40 is the Hull structural steel, marine steel. Grade AH40 marine steel plate has good toughness properties, higher strength, strong corrosion-resistance, the processing properties, and welding properties. In the steel standard ASTM A131/A131M, offshore steel grade ASTM A131 Grade AH40 is the best equivalent steel grade with BV Grade AH40.