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DNV Grade B bulb flat steel bar

DNV Grade B bulb flat steel bar is a kind of shipbuilding steel. DNV Grade B bulb flat steel bar with good toughness properties, higher strength and can be used in ship's hull structure. The majority of our stock is the high quality DNV Grade B bulb flat steel bar shipbuilding steel plate. We keep large amounts of shipbuilding steel in stocks.

DNV Grade B bulb flat steel bar specifications:100× 75 × 7/10, 125 × 75 × 7/10, 150 × 90 × 9/12

DNV Grade B bulb flat steel bar chemical composition:

Grade

C max

Si max

Mn

P max

S max

Als min

NV 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%

DNV Grade B bulb flat steel bar 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

NV B

400-520

235

22

0

27

20

34

24

41

27

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

JW steel keeps more than 10,000 tons hot rolled and cold rolled DNV Grade B bulb flat steel bar , NV 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.