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NK A32

NK A32   

NK A32 Shipbuilding steel plate
NK A32 steel plate for shipbuiling&platform.The shipbuilding steel plate grade NK A32 steel is the high tensile strength steel.NK A32 shipbuilding steel is the Hull structural steel,with it's good toughness properties, higher strength,strong corrosion-resistance,the processing properties,and welding properties. NK A32 steel plate  can be used in the manufacture of the ship's hull structure whose weight is more than 10000 tons.

NK A32 steel plate Chemical Composition

Grade

C
max

Si
max

Mn

P
max

S
max

Als
min

Ti
max

Cu
max

Cr
max

Ni
max

Mo
max

NK A32

0.18

0.50

0.90-1.60

0.035

0.035

0.015

0.02

0.35

0.20

0.40

0.08

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.
NK A32 steel plate Mechanical Property

Grade

Rm (MPa)

Re(MPa) min

A% min

Akv/J min

NK A32

440-570

315

22

E.T °C

Thickness (mm)

0

≤ 50

>50-70

>70-100

L

C

L

C

L

C

31

22

38

26

46

31

Note: In the list , Rm: .tensile strength,Re: Yield strength,A%: elongation, E.T: experimental temperature,L: lengthways, C: crosswise.

NK A32 steel plate Condition Of Delivery



Grade

Fine grains elements

category

The thickness of steel

≤ 12

>12.5-20

>20-25

>25-35

>35-50

>50-100

NK A32

Nb+V or V

Plate/
sheet

A(50)

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

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

Profile steel

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

-

Al or Al+Ti

Plate/
sheet

A(50)

AR*(25)

-

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

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

Profile steel

A(50)

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

-

Note: 1. delivery condition: A =Any ; N=Normalized ; CR=Control Rolled ; TM=TMPC, Temperature - deformation control rolling; AR*= Can be hot rolled with the agreement of Classification Society ; CR*=Can be control rolled with the agreement of Classification Society .
2.  The Figure in the ( ) means the sampling volume to do the impact test, the unit is Ton.(-) means without impact test. 
NK A32 steel Contrast in the different standard

ASTM A131M

TOCT 5521

JIS G3106

BS LR

GB712

NK A32

A32

SM490B
SM490C

AH32

A32

Key Words: Supply NK A32 steel for shipbuilding, NK A32 steel for shipbuilding manufacturer,
NK A32 steel for shipbuilding suppliers, manufacture NK A32 steel for shipbuilding,
NK A32 steel for shipbuilding warehouser

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