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KR Grade A Bulb Flat Steel Bar Detail
KR Grade A bulb flat steel bar with good toughness properties, higher strength. KR Grade A bulb flat 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 KR Grade A bulb flat steel bar shipbuilding steel plate. JoinWin has a large number of stocks.
KR 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
KR Grade A bulb flat steel bar, R A chemical composition:


Grade

C max

Si max

Mn

P max

S max

Als min

R A

0.21

0.50

≥ 2.5C

0.035

0.035

-

CE: C+1/6Mn ≤ 0.40%
Cu ≤ 0.35%,Ni ≤ 0.30%
KR Grade A bulb flat steel bar, R 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

R 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 KR Grade A bulb flat steel bar, RA shipbuilding steel plate/sheet/angle bar/bulb flat bar/ L section steel bar, please contact JW steel’s sales team. We will give you the KR Grade A bulb flat steel bar, R A shipbuilding steel plate/sheet/angle bar/bulb flat bar/ L section steel bar competitive price.