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| LR AH40 |
Product: LR AH40 shipbuilding steel plate, LR/AH40 shipbuilding steel plate, LR AH40 shipbuilding angle steel bar , LR/AH40 shipbuilding angle steel bar, LR AH40 bulb flat shipbuilding steel bar, LR/AH40 bulb flat shipbuilding steel bar, LR AH40 L section shipbuilding steel bar, LR/AH40 L shaped shipbuilding steel bar, LR AH40 Z15, LR AH40 Z25,LR AH40 Z35
Key words: LR AH40 shipbuilding steel, LR AH40 Ocean steel, LR AH40 Marine steel,LR AH40 offshore engineering steel. LR/AH40 shipbuilding steel, LR/AH40 Ocean steel, LR/AH40 Marine steel,LR/AH40 offshore engineering steel.LR AH40 Z15, LR AH40 Z25,LR AH40 Z35
LR AH40, LR/AH40 LR AH40 Z15, LR AH40 Z25,LR AH40 Z35
chemical composition in shipbuilding steel plate, angle steel bar, bulb flat bar, L section steel bar
Grade
|
C max
|
Si max
|
Mn
|
P max
|
S max
|
Als min
|
Ti max
|
Cu max
|
Cr
max
|
Ni
max
|
Mo
max
|
Nb
|
V
|
N
max
|
AH40
|
0.18
|
0.50
|
0.90-1.60
|
0.035
|
0.035
|
0.015
|
0.02
|
0.35
|
0.20
|
0.40
|
0.08
|
0.02-0.05
|
0.05-0.10
|
Note: Generally speaking CE will be≤ 0.40%. If the delivery condition is TMPC, the CE will be :≤ 0.36% (thickness≤ 50mm),≤0.38%( when the thickness >50-100).
Ceq% =(C+Mn)/6+(Cr+Mo+V)/5+(Ni+Cu)/15.
LR AH40, LR/AH40 LR AH40 Z15, LR AH40 Z25,LR AH40 Z35
Mechanical Property in shipbuilding steel plate, angle steel bar, bulb flat bar, L section steel bar
Grade
|
Rm
(MPa)
|
Re(MPa) min
|
A% min
|
Akv/J min
| ||||||
E.T °C
|
Thickness (mm)
| |||||||||
≤ 50
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>50-70
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>70-100
| ||||||||
L
|
C
|
L
|
C
|
L
|
C
| |||||
LR/AH40
|
510-660
|
390
|
20
|
0
|
41
|
27
|
-
|
-
|
-
|
-
|
LR AH40, LR/AH40 LR AH40 Z15, LR AH40 Z25,LR AH40 Z35
shipbuilding steel plate, angle steel bar, bulb flat bar, L section steel bar delivery condition :
Grade
|
Fine grains elements
|
category
|
The thickness of steel
| |||||
≤ 12
|
>12.5-20
|
>20-25
|
>25-35
|
>35-50
|
>50-100
| |||
AH40
|
any
|
Plate/sheet
|
A(50)
|
N(50),CR(50),TM(50)
|
-
| |||
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