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LR Grade D bulb flat steel bars

LR Grade D marine bulb flat steel bar with good toughness properties,higher strength.LR 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 LR Grade D bulb flat steel bar shipbuilding steel bars.we has a large number of stocks.LR 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.

LR Grade D bulb flat steel bars chemical composition:

Grade

C max

Si max

Mn

P max

S max

Als min

LR/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%
LR Grade D bulb flat steel bars mechanical property:

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

LR/D

400-520

235

22

-20

27

20

34

24

41

27

LR Grade D bulb flat bars 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)

-

China special steel limited as the qualified LR Grade D bulb flat steel bar supplier,always want to give you better products of LR Grade D bulb flat steel bar and you can tell us what kind of LR Grade D bulb flat steel bar you need,we are capable to give you the right LR Grade D bulb flat steel bar you need.
China special steel limited can guarantee the quality of LR Grade D bulb flat steel bar,also you can get a fair LR Grade D bulb flat steel bar price from the qualified LR Grade D bulb flat steel bar supplier,so if you need,don't hesitate to contact us.

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