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DNV A550 Marine steel,NV A550 shipbuilding steel,DNV A550 ship plate
Source:Xin Steel Industry   Date:2014/03/18

The highest tensile strength in normal shipbuilding steel,DNV A550 ship plate is normally used to build ships which are sailing in the bad surroudings,such as coldest ocean waters and the tough situiation.Icebreakers are the main end application for DNV A550 marine steel plate.DNV Grade A550 can bear the tough ice pieces and low temperature ocean water owing it have to be done impacting test under minus 40 centigree when rolling.


Getting more information about DNV A550 extra high strength ship plate, Contact Xinsteel Now.


One of our customer from Canada ordered two pieces heavy shipbuilding steel plates DNV A550 to repair their naval vessel as a trial order.When the plates used in their repaired work,their engineers pleased to order us five hundred tons DNV A550 ship steel plate because of our high quality steel peoperty.

 

Chemical composition of Heat analysis for Shipbuilding steel plate NV A550 (Max %):

 

C

Si

Mn

P

S

Al

N

0.21

0.10-0.55

1.7

0.035

0.035

0.015-0.08

0.02

Ni

V

Ti

Cu

B

Nb

Mo

 

0.04-0.10

0.02

 

0.005

0.02-0.05

 

 

 

 

 

 

 

Mechanical properties for Shipbuilding steel plate DNV A550:

 

Yield strength (Mpa)

Tensile strength (Mpa)

Steel Mark

550

670-830

NV A550