NV A620 and DNV Grade A620 steel plate Supplier

 

Gangsteel supply NV A620 and DNV Grade A620 steel plate. We are NV A620 Extra high strength steel plates and DNV Grade A620 certification supplier.

 

Related Words: NV A620, DNV Grade A620

 

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

NV A620 steel grade.

 

NV A620 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 A620 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 A620 and DNV Grade A620 steel plate Chemical composition heat analysis

Element NV A620  Max % Element NV A620  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 A620 and DNV Grade A620 steel plate Mechanical properties,

Grade Thickness Yield Strength Tensile Strength Elongation Impact Energy
(mm) MPa (min) MPa % (min) (KV J) (min)
        0 degree
NV A620 8-260 620 720-890 15 41J

Note: the impact energy under less 150mm thickness

 

If you have any need in NV A620 and DNV Grade A620 steel plate, please feel free to contact us soon to get a competitive price.

 

 

NV A620 and DNV Grade A620 steel plate Supplier
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