Home > Hot rolled flat steel bar > RINA Grade B hot rolled flat steel
RINA Grade B hot rolled flat steel

RINA Grade B hot rolled flat steel with good toughness properties, higher strength. RINA Grade B hot rolled flat steel 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 B hot rolled flat steel shipbuilding steel plate. JW steel has a large number of stocks.

RINA Grade B hot rolled flat steel specifications: 75 × 7-16, 80 × 7-16, 100 × 8-16, 120 × 8-16, 150 × 9-20, 200 × 10-25, 250 × 10-25, 300 × 12-30, 350 × 12-30, 400 × 15-35

RINA Grade B hot rolled flat steel , RI/B chemical composition:

Grade

C max

Si max

Mn

P max

S max

Als min

RI/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%

RINA Grade B hot rolled flat steel , RI/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

RI/B

400-520

235

22

0

27

20

34

24

41

27

JW steel keeps more than 10,000 tons RINA Grade B hot rolled flat steel , RI/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.

Related products: RINA Grade A hot rolled flat steel bar, RINA Grade B angle steel, RINA Grade B bulb flat steel bar, RINA Grade B L shaped steel bar