NK E32 Shipbuilding steel plate
The NK E32 steel plate is the mainly kinds of steel for shipbuilding and oil platform, the shipbuilding grade NK E32 steel can be used in the manufacture of the ship's hull structure, whose weight is more then 10000 tons. Shipbuilding grade NK E32 steel is the high tensile strength steel, NK E32 steel for shipbuilding and oil platform must be good toughness properties, higher strength, strong corrosion-resistance, the processing properties, and welding properties.
NK E32 steel plate Chemical Composition %
| Grade |
C max |
Si max |
Mn |
P max |
S max |
Als min |
Ti max |
Cu max |
Cr |
Ni |
Mo |
|
NK E32 |
0.18 |
0.50 |
0.90-1.60 |
0.035 |
0.035 |
0.015 |
0.02 |
0.35 |
0.20 |
0.40 |
0.08 |
Note: Generally speaking CE will be ≤ 0.40%. If the delivery condition is TMPC, the CE will be : ≤ 0.36% (thickness ≤ 50mm),≤0.38%( when the thickness >50-100). Ceq% =(C+Mn)/6+(Cr+Mo+V)/5+(Ni+Cu)/15.
NK E32 steel plate Mechanical Property
| Grade |
Rm |
Re(MPa) min |
A% min |
Akv/J min |
||||||
|
NK E32 |
440-570 |
315 |
22 |
E.T °C |
Thickness (mm) |
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|
-40 |
≤ 50 |
>50-70 |
>70-100 |
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|
L |
C |
L |
C |
L |
C |
|||||
|
31 |
22 |
38 |
26 |
46 |
31 |
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Note: In the list , Rm: .tensile strength,Re: Yield strength,A%: elongation, E.T: experimental temperature,L: lengthways, C: crosswise.
NK E32 steel plate Condition Of Delivery
| Grade |
Fine grains elements |
category |
The thickness of steel |
||||||
|
≤ 12 |
>12.5-20 |
>20-25 |
>25-35 |
>35-50 |
>50-100 |
||||
|
NK E32 |
Any |
Plate/sheet |
N,TM |
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|
Profile steel |
N(25),TM(25),AR*(15),CR*(15) |
- |
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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.
NK E32 steel plate Contrast in the different standard
| ASTM A131M |
TOCT 5521 |
JIS G3106 |
BS LR |
GB712 |
|
NK E32 |
E32 |
EH32 |
E32 |
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