NV E Shipbuilding steel plate
NV E steel for shipbuilding is not only the common tensile strength steel but also is the Hull structural steel with good toughness properties, higher strength,strong corrosion-resistance,the processing properties,and good welding properties.Shipbuilding steel grade NV E is used for shipbuilding and oil platform purpose and they are approved by NK and other classification societies.What's more,the NV E shipbuilding steel NV E can be used in the manufacture of the ship's hull structure whose weight is below 10000 tons,and usually do navigation around coastal and river area.
NV E steel Chemical Composition
| Grade |
C max |
Si max |
Mn |
P max |
S max |
Als min |
|
NV E |
0.18 |
0.35 |
0.70-1.20 |
0.035 |
0.035 |
0.015 |
Note: CE: C+1/6Mn ≤ 0.40% Cu ≤ 0.35%,Ni ≤ 0.30%≤
NV E steel Mechanical Property
| Grade |
Rm |
Re(MPa) min |
A% min |
Akv/J min |
||||||
|
NV E |
400-520 |
235 |
22 |
E.T °C |
Thickness (mm) |
|||||
|
-40 |
≤ 50 |
>50-70 |
>70-100 |
|||||||
|
L |
C |
L |
C |
L |
C |
|||||
|
27 |
20 |
34 |
24 |
41 |
27 |
|||||
Note: In the list , Rm: tensile strength,Re: Yield strength,A%: elongation, E.T: experimental temperature,L: lengthways, C: crosswise.
NV E steel Condition Of Delivery
Grade |
category |
The thickness of steel |
||||
|
≤ 12 |
>12.5-25 |
>25-35 |
>35-50 |
>50-100 |
||
|
NVE |
Plate/sheet |
N,TM |
||||
|
Profile steel |
N(25),TM(25),AR*(15),CR*(15) |
- |
||||
Note: 1. delivery condition: A =Any ; N=Normalized ; CR=Control Rolled ; TM=TMPC, Temperature - deformation control rolling; AR*= Can be hot rolled with the agreement of Classification Society ; CR*=Can be control rolled with the agreement of Classification Society .
2. The Figure in the ( ) means the sampling volume to do the impact test, the unit is Ton.(-) means without impact test.
NV E steel Contrast in the different standard
| ASTM A131M |
TOCT 5521 |
JIS G3106 |
BS LR |
GB712 |
|
NV E |
E |
E |
E |
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