 |
| RINA Grade A |
RINA Grade A shipbuilding steel plate, RI/A shipbuilding steel plate, RINA Grade A shipbuilding angle steel bar , RI/A shipbuilding angle steel bar, RINA Grade A bulb flat shipbuilding steel bar, RI/A bulb flat shipbuilding steel bar, RINA Grade A L section shipbuilding steel bar, RI/A L shaped shipbuilding steel bar,
Key words: RINA grade A shipbuilding steel, RINA grade A Ocean steel, RINA grade A Marine steel,RINA grade A offshore engineering steel. RI/A shipbuilding steel, RI/A Ocean steel, RI/A Marine steel,RI/A offshore engineering steel,RINA Grade A Z15, RINA Grade A Z25,RINA Grade A Z35,ASTM A131 RINA Grade A
RINA Grade A, RI/A chemical composition in shipbuilding steel plate, angle steel bar, bulb flat bar, L section steel bar
Grade
|
C max
|
Si max
|
Mn
|
P max
|
S max
|
Als min
|
RI/A
|
0.21
|
0.50
|
≥ 2.5C
|
0.035
|
0.035
|
-
|
CE: C+1/6Mn ≤ 0.40%
Cu ≤ 0.35%,Ni ≤ 0.30%
RINA Grade A, RI/A Mechanical Property in shipbuilding steel plate, angle steel bar, bulb flat bar, L section steel bar
Grade
|
Rm
(MPa)
|
Re(MPa) min
|
A% min
|
Akv/J min
| ||||||
E.T °C
|
Thickness (mm)
| |||||||||
≤ 50
|
>50-70
|
>70-100
| ||||||||
L
|
C
|
L
|
C
|
L
|
C
| |||||
RI/A
|
400-520
|
235
|
22
|
20
|
-
|
-
|
34
|
24
|
41
|
27
|
RINA Grade A, RI/A shipbuilding steel plate, angle steel bar, bulb flat bar, L section steel bar delivery condition :
Grade
|
category
|
The thickness of steel
| ||||
≤ 12
|
>12.5-25
|
>25-35
|
>35-50
|
>50-100
| ||
RI/A
|
Plate/sheet
|
A(-)
|
N(-),TM(-)
CR(50)
AR*(50)
| |||
Profile steel
|
-
| |||||
JW steel keeps more than 10,000 tons hot rolled and cold rolled RINA Grade A, RI/A shipbuilding steel in stock each month. We can meet our customer’s any quantity request. Based on these stock source, our advantage industry spread into steel process like : cutting ( any size and any shape ) drilling, welding, milling, machining and steel structure.
Skype: vivian.qiu16
Website: www.steel-jw.com
Tel 86, 371, 63332179
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