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KR AH36  bulb flat steel bar

KR AH36 bulb flat steel bar is a kind of high tensile strength marine steel. All of these steels have been engineered to be optimal long-lived shipbuilding steels. As with other grades of steel, they have a specific gravity of 7.8. KR AH36 bulb flat steel bar Shipbuilding steel plates are mainly used for making the offshore oil drilling platform, the hull of ship building and ship repairing, the platform pipe joints and other components.

KR AH36 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 AH36 bulb flat steel bar chemical composition:

Grade

C max

Si max

Mn

P max

S max

Als min

Ti max

Cu max

Cr

max

Ni

max

Mo

max

Nb

V

AH36

0.18

0.50

0.90-1.60

0.035

0.035

0.015

0.02

0.35

0.20

0.40

0.08

0.02-0.05

0.05-0.10

Note: Generally speaking CE will be ≤ 0.40%. If the delivery condition is TMPC, the CE will be : ≤ 0.36% (thickness ≤ 50mm),≤0.38%( when the thickness >50-100).
Ceq% =(C+Mn)/6+(Cr+Mo+V)/5+(Ni+Cu)/15.

KR AH36 bulb flat steel bar 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 A36

490-630

355

21

0

34

24

41

27

50

34

Related products: KR AH32 bulb flat steel bar, KR AH36 angle steel, KR AH36 L shape steel

JW steel keeps more than 10,000 tons hot rolled and cold rolled KR AH36 angle steel, R A36 shipbuilding steel in stock each month. We can meet our customer’s any quantity request. Based on these stock source, our advantage industry spread into steel process like : cutting ( any size and any shape ) drilling, welding, milling, machining and steel structure.