DNV Grade B,NV B,DNV B steel plate mainly used to build vessels which are sailing in common ocean waters at about zero centigree.
Steel Standard:DNV (Det Norske Veritas)
Rolling Type:Shipbuilding steel plate,Common strength ship plate
Thickness:3mm-300mm
Width:1200mm-4200mm
Length:3000mm-18000mm
Heat Treatment:As Rolled/Control-rolled/TMCP/Normalised
Technical Requirements & Additional Services for DNV B steel plate:
High tension test
Z-Test (Z15,Z25,Z35)
Low temperature impacting test
Ultrasonic test under ASTM A435,A577,A578
Cetificated by ABS,LR,GL,BV,DNV,KR,NK,CCS,RINA
Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
Shot blasting and Painting,Cutting and welding as per end user's demands
Chemical Composition
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DNV B general Strength Chemical Composition |
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|
Grade |
The Element Max (%) |
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|
C |
Si |
Mn |
P |
S |
Al |
N |
|
|
DNV B |
0.21 |
0.35 |
0.80 |
0.035 |
0.035 |
- |
|
|
Nb |
V |
Ti |
Cu |
Cr |
Ni |
Mo |
|
|
|
|
|
|
|
|
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Mechanical Property
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DNV B general strength property |
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|
Grade |
|
Mechanical Property |
Charpy V Impact Test |
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|
Thickness |
Yield |
Tensile |
Elongation |
Degree |
Energy 1 |
Energy 2 |
|
|
DNV B |
mm |
Min Mpa |
Mpa |
Min % |
0 |
J |
J |
|
t≤50 |
235 |
400-520 |
22% |
20 |
27 |
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|
50＜t≤70 |
235 |
400-520 |
22% |
24 |
34 |
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|
70＜t≤150 |
235 |
400-520 |
22% |
27 |
41 |
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Note: Energy 1 is transverse impact test, Energy 2 is longitudinal |
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