NV A550 and DNV Grade A550 steel plate Supplier

 

Gangsteel supply NV A550 and DNV Grade A550 steel plate. We are NV A550 Extra high strength steel plates and DNV Grade A550 certification supplier.

 

Related Words: NV A550, DNV Grade A550

 

Adopt standard: DNV Extra high strength steel plate
DNV Extra High Grade:

 

NV A550 steel grade.

 

NV A550 is applied to extra high strength steels, which is defined as steel with specified min yield stress of 420Mpa. The max yield is 690Mpa in NV A690.

 

NV A550 steel grade shall be killed and find grain treated. Steel grade of strength levels up to and including 500Mpa should be supplied in Normalized, TM or QT condition. Steel grade of strength levels above 500Mpa shall be supplied in TM or QT delivery condition.

 

Gangsteel is specialized in Super thickness steel grade. We have much experience in manufacture and exporting extra high strength steel grade.

NV A550 and DNV Grade A550 steel plate Chemical composition heat analysis

Element NV A550  Max % Element NV A550  max %
C 0.21 Ni 0.40
Mn 1.70 Mo 0.08
Si  0.10-0.55    Al   0.020 min
S 0.035    Nb 0.20-0.05
P 0.035 V 0.05-0.10
Cu 0.35 Ti 0.0007-0.05
    Cr 0.20 N  

 

NV A550 and DNV Grade A550 steel plate Mechanical properties,

Grade Thickness Yield Strength Tensile Strength Elongation Impact Energy
(mm) MPa (min) MPa % (min) (KV J) (min)
        0 degree
NV A550 8-260 550 670-830 16 37J

Note: the impact energy under less 150mm thickness

 

If you have any need in NV A550 and DNV Grade A550 steel plate, please feel free to contact us soon to get a competitive price.

 

NV A550 and DNV Grade A550 steel plate Supplier
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