Typical Applications:
KR Grade A (RA) marine steel plates are used in manufacturing hull, maritime oil extraction drilling platform, platform tube junction and other structural components.
Dimension of Grade RA plate (KR Classification):
Thickness: 6mm-200mm
Width: 1500mm-4000mm
Length: 6000mm-180000mm
Chemical Composition and Mechanical Property:
Grade
|
Chemical Composition(%)
| |||||||
C≤
|
Mn≥
|
Si≤
|
P≤
|
S≤
|
Mark
| |||
KR A
|
0.21
|
2.5×C
|
0.50
|
0.035
|
0.035
|
RA
| ||
Grade
|
Mechanical Property
| |||
Tensile Strength(MPa)
|
Yield Strength(MPa)
|
% Elongation in 2 in.(50mm) min
|
Impacting Test Temperature(°C)
| |
KR A
|
400-520
|
235
|
22
|
20
|
Delivery States:
The delivery States of KR Grade A (RA) steel plate is Pretreatment, CR or Normalizing.
CR (Controlled Rolling), N (Normalizing), TM, QT (Quenching and Tempering) and other delivery states are available as customers’ requirement.
Tests:
KR Grade A (RA) steel plate contains Tensile Tests and Impact Tests.
The UT (Ultrasonic Testing), the third party test, Z15, Z25, Z35 test and other tests are also available as customers` requirement.
If you need any further information about KR Grade A (RA) shipbuilding 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
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