NK Grade B steel angle specification: 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
NK Grade B steel angle has good toughness properties, higher strength. NK Grade B angle 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 NK Grade B shipbuilding steel angle. KINGSTEEL has a large number of stocks.
NK Grade B STEEL ANGLE CHEMICAL COMPOSITION:
Grade
|
C max
|
Si max
|
Mn
|
P max
|
S max
|
Als min
|
NK Grade 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%
Cu ≤ 0.35%,Ni ≤ 0.30%
NK Grade B Steel Angles Mechanical Properties
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
| |||||
NK Grade B
|
400-520
|
235
|
22
|
0
|
27
|
20
|
34
|
24
|
41
|
27
|
NK Grade B Steel Angles Dilivery Condition
Grade
|
category
|
The thickness of steel
| ||||
≤ 12
|
> 12.5-25
|
> 25-35
|
> 35-50
|
> 50-100
| ||
NK Grade B
|
Plate/sheet
|
A(-)
|
A(50)
|
N(50),TM(5)
CR(25)
AR*(25)
| ||
Profile steel
|
-
| |||||
NK Grade B Shipbuilding Steel Angle