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NV E550 Steel plate,DNV Grade E550 shipbuilding steel,NV E550 Marine plate
Source:Xin Steel Industry   Date:2014/03/21

With alloy elements especially the element Nickel,NV E550 shipbuilding steel plate can bear the weather corrosion when using to build ships and vessels.When rolling DNV Grade E550 steel plate,the steel should be chosed as full killed and Quenching and tempering heat treatment have to be done when the steel billets finished.Low temperature impacting test should be made under minus 40 centigree.


Getting more information about DNV E550 high strength ship plate, Contact Xinsteel Now.


For shipbuilding steel plate DNV E550,the standard rolling size is width of 2000mm and length 6000mm,considering the steel plates can be loaded into the twenty feet container,we suggest the end users to accept 5800mm,it would cost much ocean freight for them when transport.International purchase sizes always follow the feet sizes,after calculation,the most  demands sizes for DNV E550 ship plates are normally 2438mm*9144mm or 1829mm*6096mm.

 

Chemical composition of Heat analysis for Shipbuilding steel plate NV E550 (Max %):

 

C

Si

Mn

P

S

Al

N

0.20

0.10-0.55

1.7

0.030

0.030

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 E550:

 

Yield strength (Mpa)

Tensile strength (Mpa)

Steel Mark

550

670-830

NV E550