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AH40 DH40 EH40 FH40

AH40-DH40-EH40-FH40           

Bebon AH40 DH40 EH40 FH40  steel plates/sheets would be mainly used for building crane project in many shipyards,also would be used in building ice breaker owning to its minus 60 centidegreeimpacting test when rolling.

TheAH40 steel plate is the mainly kinds of steel for shipbuilding and oil platform, the shipbuilding grade AH40 can be used in the manufacture of the ship's hull structure, whose weight is more then 10000 tons. Shipbuilding grade AH40 is the high tensile strength steel, AH40 steel for shipbuilding and oil platform must be good toughness properties, higher strength, strong corrosion-resistance, the processing properties, and welding properties.

AH40 DH40 EH40 FH40 steel plate Chemical requirements %

Symbol
ABS , LR, GL, DNV, BV, NK, KR, RINA
C max
Si max
Mn
P. S max
Nb
Als min
V
Ti max
Cu max
Cr
Ni max
Mo
N
max
max
A40
0.18
0.5
0.90-1.60
0.035
0.02-0.05
0.015
0.05-0.10
0.02
0.35
0.2
0.4
0.08
-
D40
0.18
0.5
0.90-1.60
0.035
0.02-0.05
0.015
0.05-0.10
0.02
0.35
0.2
0.4
0.08
-
0.18
0.5
0.90-1.60
0.035
0.02-0.05
0.015
0.05-0.10
0.02
0.35
0.2
0.4
0.08
-
F40
0.16
0.5
0.90-1.60
0.025
0.02-0.05
0.015
0.05-0.10
0.02
0.35
0.2
0.8
0.08
0.009

AH40 DH40 EH40 FH40 steel sheet Mechanical requirements

Symbol
Y.S ReH min MPa
T.S Rm
E.L
Akv/J≥
 MPa
A% min
°C
Thickness/mm
 
 
≤50
>50-70
>70-100
 
 
L
C
L
C
L
C
A40
390
510-660
20
0
41
27
-
-
-
-
D40
390
510-660
20
0
41
27
-
-
-
-
390
510-660
20
-20
41
27
-
-
-
-
F40
390
510-660
20
-40
41
27
-
-
-
-

Source:

Tags: The high strength Steel plate for shipbuilding and oil platform –AH40, DH40, EH40, FH40, AH40 DH40 EH40 FH40 in ABS , LR, GL, DNV, BV, NK, KR, RINA

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