The NVA40 steel plate is the mainly kinds of steel for shipbuilding and oil platform, the shipbuilding grade NVA40 can
be used in the manufacture of the ship's hull structure, whose weight is more then 10000 tons. Shipbuilding grade
AH40 is the high tensile strength steel, NVA40 steel for shipbuilding and oil platform must be good toughness
properties, higher strength, strong corrosion-resistance, the processing properties, and welding properties.
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Comparison of steel grades
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Norske Veritas
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-
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Germanischer Lloyds
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-
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Bureau Veritas
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- -
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NVA40 steel plate Chemical analysis -% by mass*
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Material number
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C
max
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Si max
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Mn.
max
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P
max
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S
max
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N
max
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AL
min
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Cr max
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Cu max
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Mo max
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Ni max
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Nb
max
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Ti
max
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V
max
|
|
0.18
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0.50
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0.90
-1.60
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-
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0.035
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-
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0.015-0.06
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0.2
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0.35
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0.08
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0.4
|
0.02
-0.05
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0.02
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0.05
-0.10
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NVA40 steel sheet Mechanical properties
Source:
Tags: NVA40, NVA40 steel
