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NK Grade A 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
NK Grade A bulb flat steel bar , K A chemical composition:
Grade |
C max |
Si max |
Mn |
P max |
S max |
Als min |
K A |
0.21 |
0.50 |
≥ 2.5C |
0.035 |
0.035 |
- |
CE: C+1/6Mn ≤ 0.40%
Cu ≤ 0.35%,Ni ≤ 0.30%
NK Grade A bulb flat steel bar , K A 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 |
|||||
K A |
400-520 |
235 |
22 |
20 |
- |
- |
34 |
24 |
41 |
27 |
We also have a high quality logistics team who make sure the fast delivery time and shipment. Anyway, if you want to find NK Grade A bulb flat steel bar , K A shipbuilding steel plate/sheet/angle bar/bulb flat bar/ L section steel bar supplier, NK Grade Abulb flat steel bar , K A shipbuilding steel plate/sheet/angle bar/bulb flat bar/ L section steel bar manufacturer, NK Grade A bulb flat steel bar , K A shipbuilding steel plate/sheet/angle bar/bulb flat bar/ L section steel bar exporter, please contact JW steel’s sales team. We will give you the NK Grade A bulb flat steel bar , K A shipbuilding steel plate/sheet/angle bar/bulb flat bar/ L section steel bar competitive price, NK Grade A bulb flat steel bar , K A shipbuilding steel plate/sheet/angle bar/bulb flat bar/ L section steel bar good quality and best service from us.