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RINA Grade D bulb flat steel bars

RINA Grade D marine bulb flat steel bar with good toughness properties,higher strength.RINA Grade D bulb flat steel bar are mainly used to contribute hull of ships and the cranes of break bulker and vessels in low temperature oceans.All of our stock is the high quality RINA Grade D bulb flat steel bar shipbuilding steel bars.we has a large number of stocks.RINA Grade D bulb flat steel bar specifications:80 × 5/6,100 × 7/8,120 × 6/7/8,140 × 7/8/10,160 × 7/8/9/11,180 × 8/9/10/11,200 × 9/10/1112,220 × 10/11/12,240 × 10/11/12,260 × 10/11/12,280 × 11/12/13,300 × 11/12/13,320 × 12/13/14,340 × 12/13/14,370 × 13/14/15,400 × 14/15/16,430 × 14/15/17/19/20.
RINA Grade D, RI/A chemical composition in shipbuilding angle steel bar, bulb flat bar, L section steel bar

Grade

C max

Si max

Mn

P max

S max

Als min

RI/D

0.21

0.35

0.60-1.20

0.035

0.035

0.015

CE: C+1/6Mn ≤ 0.40%
Cu ≤ 0.35%,Ni ≤ 0.30%
RINA Grade D, RI/D Mechanical Property in shipbuilding 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/D

400-520

235

22

-20

27

20

34

24

41

27

RINA Grade D, RI/D shipbuilding 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

D

Plate/sheet

A(50)

N(50)
CR(50)
TM(50)

N(50)
TM(50)
CR(25)

Profile steel

 

N(50)
CR(50)
TM(50)
AR*(25)

-

RINA Grade D, RI/B shipbuilding steel plate, angle steel bar, bulb flat bar, L section steel bar delivery condition :
China special steel limited as the qualified RINA Grade D bulb flat steel bar supplier,always want to give you better products of RINA Grade D bulb flat steel bar.and you can tell us what kind of RINA Grade D bulb flat steel bar you need,we are capable to give you the right RINA Grade D bulb flat steel bar you need.
China special steel limited can guarantee the quality of RINA Grade D bulb flat steel bar,also you can get a fair RINA Grade D bulb flat steel bar price from the qualified RINA Grade D bulb flat steel bar supplier,so if you need,don't hesitate to contact us.

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