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LR Grade B L shape steel bar

LR Grade B L shape steel bar with good toughness properties, higher strength. LR Grade B L shape 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 B L shape steel bar shipbuilding steel plate. JoinWin has a large number of stocks.

LR Grade B L shape steel bar specifications: 100× 75 × 7/10, 100×75×8/10, 125 × 75 × 7/10, 125×75×8/10, 150 × 90 × 9/12, 150×90×10/12, 150×100×12

LR Grade B L shape steel bar, LR/B chemical composition:

Grade

C max

Si max

Mn

P max

S max

Als min

LR/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%

LR Grade B L shape steel bar, LR/B 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/B

400-520

235

22

0

27

20

34

24

41

27

Related products: LR Grade A L shape steel bar, LR Grade B angle steel, LR Grade B bulb flat steel bar

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