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A131 Grade AH40 ship steel, shipbuilding steel plate grade AH40

A131 Grade AH40 ship steel, shipbuilding steel plate grade AH40

Posted:2015-11-30 15:29:47

A131 AH40 steel plate for shipbuilding&platform.The shipbuilding steel plate grade AH40 is the high tensile strength steel.AH40 shipbuilding steel is the Hull structural steel,with it's good toughness properties, higher strength,strong corrosion-resistance,the processing properties,and welding properties.ASTM A131 AH40 steel plate can be used in the manufacture of the ship's hull structure whose weight is more than 10000 tons.

AH40 ship steel plate specification:
Thickness: 3mm to 300mm,
Width: 1500mm to 4200mm
Length: 3000mm to 18000mm.

AH40 ship steel plate application:

A131 AH40 with the low temperature impacting test at zero centi-degree. For these three steel grades, they have the same chemical composition and the big difference is their yield and tensile strength.

A131 AH40 high strength property

Grade

 

Mechanical Property

Charpy V Impact Test

Thickness

Yield

Tensile

Elongation

Degree

Energy 1

Energy 2

A131 AH40

mm

Min Mpa

Mpa

Min %

0

J

J

t≤50

390

510-650

22%

20

30

50<t≤70

390

510-650

22%

NA

NA

70<t≤100

390

510-650

22%

NA

NA

Note: Energy 1 is transverse impact test, Energy 2 is longitudinal

Chemical composition for A131 Grade AH40 ship steel (Heat Analysis Max%)

Main chemical elements composition of A131 Grade AH40

C

Si

Mn

P

S

Al (acid) min.

Nb

0.18

0.10-0.50

0.90-1.60

0.035

0.035

0.015

0.02-0.05

V

Ti

Cu

Cr

Ni

Mo

 

0.05-0.10

0.02

0.35

0.20

0.40

0.08

 

Katalor steel can supply A131 AH40 shipbuilding steel ,we have many years production experience of A131 AH40 shipbuilding steel ,if you need A131 AH40 shipbuilding steel price and specification ,please contact us.

TEL:0086-21-61182423
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