The steel for shipbuilding and oil platform---AH40, is the high tensile strength steel.The shipbuilding steel AH40 is the Hull structural steel.We can provide AH40 shipbuilding steel plate price.
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AH40 steel plate is mainly used 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 shipbuilding steel plate specification:
Thickness: 6mm-200mm, Width: 1500mm-4000mm, Length: 6000mm-180000mm
The AH40 steel plate Chemical Composition %
Grade |
C max |
Si max |
Mn |
P max |
S max |
Als min |
Ti max |
Cu max |
Cr |
Ni |
Mo |
Nb |
V |
|
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 : ≤ 0.40% (thickness ≤ 50mm). Ceq% =(C+Mn)/6+(Cr+Mo+V)/5+(Ni+Cu)/15.
The AH40 steel plate Mechanical Property
Grade |
Rm |
Re(MPa) min |
A% min |
Akv/J min |
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|
510-660 |
390 |
20 |
E.T °C |
Thickness (mm) |
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|
0 |
≤ 50 |
>50-70 |
>70-100 |
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|
L |
C |
L |
C |
L |
C |
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|
41 |
27 |
- |
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Note: In the list , Rm: tensile strength,Re: Yield strength,A%: elongation, E.T: experimental temperature,L: lengthways, C: crosswise.
Condition Of Delivery
Grade |
Fine grains elements |
category |
The thickness of steel |
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|
≤ 12 |
>12.5-20 |
>20-25 |
>25-35 |
>35-50 |
>50-100 |
|||
|
any |
Plate/ |
A(50) |
N(50),CR(50),TM(50) |
- |
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|
Profile steel |
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Note: 1. delivery condition: A =Any ; N=Normalized ; CR=Control Rolled ; TM=TMPC, Temperature - deformation control rolling; AR*= Can be hot rolled with the agreement of Classification Society ; CR*=Can be control rolled with the agreement of Classification Society .
2. The Figure in the ( ) means the sampling volume to do the impact test, the unit is Ton.(-) means without impact test.
BBN SHIP STEEL FACTORY
