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NK AH36 bulb flat steel bar with good toughness properties, higher strength. NK AH36 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 NK AH36 bulb flat steel bar shipbuilding steel plate.
NK 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


NK/ AH36 high Strength Chemical Composition

Grade

The Element Max (%)

C

Si

Mn

P

S

Al

N

NK/ AH36

0.18

0.50

0.90-1.6

0.035

0.035

0.015

 

Nb

V

Ti

Cu

Cr

Ni

Mo

0.02-0.05

0.05-0.10

0.02

0.35

0.2

0.4

0.08

Crack Sensitivity: Pcm = (C+Si/30+Mn/20+Cu/20+Ni/60+Cr/20+Mo/15+V/10+5B)%
Carbon Equivalent: Ceq = 【C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】%


NK/ AH36 high strength property

Grade

Mechanical Property

Charpy V Impact Test

Yield

Tensile

Elongation

Degree

Energy 1

Energy 2

Min Mpa

Mpa

Min %

0

34

24

NK/ AH36

355

490-620

21

Note: Energy 1 is transverse impact test, Energy 2 is longitudinal

Related products: NK AH32 bulb flat steel bar, NK AH36 angle steel, NK AH36 L shape steel
JW steel keeps more than 10,000 tons hot rolled and cold rolled NK AH36 bulb flat steel bar, 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.