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GL Grade B Bulb Flat Steel Bar Detail
GL Grade B bulb flat steel bar is a kind of shipbuilding steel. GL Grade B bulb flat steel bar with good toughness properties, higher strength and can be used in ship's hull structure. All of our stock is the high quality GL Grade B bulb flat steel bar shipbuilding steel plate. We keep large amounts of shipbuilding steel in stocks.
GL Grade B 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
GL Grade B bulb flat steel bar , GL-B chemical composition:


Grade

C max

Si max

Mn

P max

S max

Als min

GL-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%
GL Grade B bulb flat steel bar , GL-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

GL-B

400-520

235

22

0

27

20

34

24

41

27

Related products: GL Grade A bulb flat steel bar, GL Grade B angle steel, GL Grade B L shape steel
We also have a high quality logistics team who make sure the fast delivery time and shipment. Anyway, if you want to find GL Grade B bulb flat steel bar, GL-B shipbuilding steel plate/sheet/angle bar/bulb flat bar/ L section steel bar, please contact JW steel’s sales team. We will give you the GL Grade B bulb flat steel bar, GL-B shipbuilding steel plate/sheet/angle bar/bulb flat bar/ L section steel bar competitive price.