RINA Grade B L shape steel bar with good toughness properties, higher strength. RINA 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 RINA Grade B L shape steel bar shipbuilding steel bars. China special steel limited has a large number of stocks.
RINA Grade B L shape steel bar specifications: 200 × 90 × 8 ×14, 200 × 90 × 9 × 14, 200 × 90 ×10 ×14, 250 × 90 × 9 × 14, 250 × 90 × 9 × 15, 250 × 90 × 10 × 15, 250 × 90 × 11× 16, 250 × 90 × 12 × 16, 300 × 90 × 10 × 16, 300 × 90 × 11× 16, 300 × 90 × 11 × 16, 300 × 90 × 12 × 17, 300 × 90 × 13 × 17, 350 × 100 × 11 × 17, 350 × 100 × 12 × 17, 400 × 100 × 11.5 × 16, 400 × 100 × 12 × 18, 400 × 100 × 13 × 18, 450 × 125 × 11.5 × 18
RINA Grade B, RINA Grade B chemical composition in shipbuilding angle steel bar, bulb flat bar, L section steel bar
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, RI/B Mechanical Property in shipbuilding angle steel bar, bulb flat bar, L section steel bar
Grade |
Rm |
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 |
RINA Grade B, RI/B shipbuilding angle steel bar, bulb flat bar, L section steel bar delivery condition :
Grade |
category |
The thickness of steel |
||||
|
|
≤ 12 |
>12.5-25 |
>25-35 |
>35-50 |
>50-100 |
RI/B |
Plate/sheet |
A(-) |
A(50) |
N(50),TM(5) |
||
Profile steel |
- |
We also have a high quality logistics team who make sure the fast delivery time and shipment. Anyway, if you want to find RINA Grade B L shape steel bar, RINA B shipbuilding steel/sheet/angle bar/bulb flat bar/ L section steel bar supplier, RINA Grade B L shape steel bar, RINA B shipbuilding steel/sheet/angle bar/bulb flat bar/ L section steel bar manufacturer, RINA Grade B L shape steel bar, RINA B shipbuilding steel/sheet/angle bar/bulb flat bar/ L section steel bar exporter, please contact China special steel limited’s sales team. We will give you the RINA Grade B L shape steel bar, RINA B shipbuilding steel/sheet/angle bar/bulb flat bar/ L section steel bar competitive price, RINA Grade B L shape steel bar, RINA B shipbuilding steel/sheet/angle bar/bulb flat bar/ L section steel bar good quality and best service from us.
- Nickle alloys & Super alloys
- Stainless steel & Heat resistant steel
- Carbon steel
- Low alloy high strength steel
- High strength steel
- Boiler steel plate
- Shipbuilding steel plate
- Bridge structural steel
- Weathering steel
- Wear resistant steel
- Pipeline steel
- High carbon steel
- Alloy steel
- CQ/DQ/DDQ/CSS/HSS Grade steel
- Hot rolled steel coil
- Cold rolled steel coil
- Pickled & oiled steel coil
- Electrical steel
- Galvanized and prepainted steel
- Shipbuilding angle steel bar
- Shipbuilding bulb flat bar
- Shipbuilding L shape bars