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AH40 steel plate

AH40 steel plate

The steel for shipbuilding and oil platform---AH40 shipbuilding steel, is the high tensile strength steel.
It is the Hull structural steel,with it's good toughness properties, higher strength,strong corrosion-resistance,the processing properties,and welding properties.This kind of steel can be used in the manufacture of the ocean ship's hull structure whose weight is above 10000 tons.

AH40 steel Chemical Composition 

Grade C max Si max Mn P max S max Als min Ti max Cu max Cr
max
Ni
max
Mo
max
Nb V
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 : ≤ 0.40% (thickness ≤ 50mm).Ceq% =(C+Mn)/6+(Cr+Mo+V)/5+(Ni+Cu)/15.

AH40 steel Mechanical Property

Grade Rm
(MPa)
Re(MPa) min A% min Akv/J min
AH40 510-660 390 20 E.T °C Thickness (mm)
0 ≤ 50 >50-70 >70-100
L C L C L C
41 27 -

Note: In the list , Rm: tensile strength,Re: Yield strength,A%: elongation, E.T: experimental temperature,L: lengthways, C: crosswise.

AH40 steel plate Condition Of Delivery 

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) -

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.

we are AH40 steel suppliers ,also can supply AH32 steel plate,AH36 steel plate,please contact us if you need


Bebon International is a professional AH40 steel exporter and a steel Stockist in china. We keep more than 1000 tons AH40 steel in stock every month. If you want to get the AH40 steel price, please do not hesitate to contact us. Any need in AH40 Chemical Composition and Mechanical Properties, please feel free to contact us by email or calling to us.
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