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KR Grade D bulb flat steel bars

KR Grade D bulb flat steel bar

KR Grade D marine bulb flat steel bar with good toughness properties,higher strength.KR Grade D 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 D bulb flat steel bar shipbuilding steel bars.we has a large number of stocks.

KR Grade D 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 D, R D 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

R D

0.21

0.35

0.60-1.20

0.035

0.035

0.015

CE: C+1/6Mn ≤ 0.40%
Cu ≤ 0.35%,Ni ≤ 0.30%

KR Grade D, R D Mechanical Property in shipbuilding angle steel bar, bulb flat bar, L section steel bar


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 D

400-520

235

22

-20

27

20

34

24

41

27

KR Grade D, R D 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

D

Plate/sheet

A(50)

N(50)
CR(50)
TM(50)

N(50)
TM(50)
CR(25)

Profile steel

 

N(50)
CR(50)
TM(50)
AR*(25)

-

Shanghai Royal Industry as the qualified KR Grade D bulb flat steel bar supplier,always want to give you better products of KR Grade D bulb flat steel bar.and you can tell us what kind of KR Grade D bulb flat steel bar you need,we are capable to give you the right KR Grade D bulb flat steel bar you need.

Shanghai Royal Industry can guarantee the quality of KR Grade D bulb flat steel bar,also you can get a fair KR Grade D bulb flat steel bar price from the qualified KR Grade D bulb flat steel bar supplier,so if you need,don't hesitate to contact us:
Email: info@sg295steel.com
Tel: 021-60880117

Related Link: KR A32,KR A36,KR Grade D32,KR D36,KR Grade A,KR Grade B

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