1. NV A550 ultra-high strength ship steel plate used for fixed offshore structure from
HZZ Iron & Steel Co.,Ltd.
2. Application Standard:
NV A550 ship steel plate is accordance with DNV specification.
This standard specifies requirements for weldable structural steels to be used in
fabrication of fixed offshore structures.
3. Dimension specification:
Thickness: 8-300mm, the width: 1500-4000mm, length: 6000-18000
4. Chemical Composition
Steel Grade
|
Chemical Composition(%)(max)
| ||||||
C
|
Si
|
Mn
|
P
|
S
|
N
|
Al
| |
NV A550
|
0.21
|
0.10-0.55
|
1.70
|
0.035
|
0.035
|
0.020
|
0.020-0.085
|
5. Mechanical Property
Steel Grade
|
Tensile Property(N/mm2)
|
Average Impact Value(min J)
|
Impact Temperature(°C)
| ||
Tensile Strength
|
Yield Point
|
T≤150
| |||
Longitudinal
|
Transverse
| ||||
NV A550
|
670-830
|
550
|
55
|
37
|
0
|
6. Delivery Condition:
The delivery condition of NV A550 ultra-high strength ship steel plate is
Q+T(quenched and tempered)
7. Technical Requirement:
The technical condition of NV A550 ultra-high strength ship steel plate contains
impact rest and tensile test, other test should be accordance with the clients'
requirements, including UT(ultrasonic test), Z test, bend test, hardness test and so
on.
8. If you need any further informations about NV A550 ultra-high strength steel plate, please feel free to contact us.
Contact :
Email: nina@hzzsteel.com.cn
Sales: Nina Zhang
Gmail: hzzsteel5@gmail.com
Msn: hzzsteel5@hotmail.com
Skype: hzzsteel5
T:86-371-65862331
F:86-371-65652677
Cell:86-13603980267
Key words:NV A550,DNV A550,ultra-high strength steel,steel plate,chemical composition,mechanical property,high-strength steel plate
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