Product

RINA Grade D

RINA Grade D

Product: RINA Grade B shipbuilding steel plate, RI/B shipbuilding steel plate, RINA Grade B shipbuilding angle steel bar , RI/B shipbuilding angle steel bar, RINA Grade B bulb flat shipbuilding steel bar, RI/B bulb flat shipbuilding steel bar, RINA Grade B L section shipbuilding steel bar, RI/B L shaped shipbuilding steel bar,

Key words: RINA Grade B shipbuilding steel, RINA Grade B Ocean steel, RINA Grade B Marine steel,RINA Grade B offshore engineering steel. RI/B shipbuilding steel, RI/B Ocean steel, RI/B Marine steel,RI/BZ25,RI/B offshore engineering steel.

RINA Grade B, RI/B 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/B

0.21

0.35

0.80-1.20

0.035

0.035

-

CE: C+1/6Mn ≤ 0.40%

Cu ≤ 0.35%,Ni ≤ 0.30%

RINA Grade B, RI/B 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/B

400-520

235

22

0

27

20

34

24

41

27

RINA Grade B, RI/B 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/B

Plate/sheet

A(-)

A(50)

N(50),TM(5)

CR(25)

AR*(25)

Profile steel

-

JW steel keeps more than 10,000 tons hot rolled and cold rolled RINA Grade B, RI/B 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.

We also have a high quality logistics team who make sure the fast delivery time and shipment. Anyway, if you want to find RINA Grade B, RI/B shipbuilding steel plate/sheet/angle bar/bulb flat bar/ L section steel bar supplier, RINA Grade B, RI/B shipbuilding steel plate/sheet/angle bar/bulb flat bar/ L section steel bar manufacturer, RINA Grade B, RI/B shipbuilding steel plate/sheet/angle bar/bulb flat bar/ L section steel bar exporter, please contact JW steel’s sales team. We will give you the RINA Grade B, RI/B shipbuilding steel plate/sheet/angle bar/bulb flat bar/ L section steel bar competitive price, RINA Grade B, RI/B shipbuilding steel plate/sheet/angle bar/bulb flat bar/ L section steel bar good quality and best service from us.

Related Link: ABS Grade B, BV Grade B, GL Grade B, NK Grade B, DNV Grade B, LR Grade B 

AB/ B

GL-B

LR/B

BV/B

RI/B

K B

NV B