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AH36/DH32/DH36/EH36/EH32/D40/E40/2HCr50 steel sheets and plates for shipbuilding

  • AH36/DH32/DH36/EH36/EH32/D40/E40/2HCr50 steel sheets and plates for shipbuilding
  • AH36/DH32/DH36/EH36/EH32/D40/E40/2HCr50 steel sheets and plates for shipbuilding
  • AH36/DH32/DH36/EH36/EH32/D40/E40/2HCr50 steel sheets and plates for shipbuilding
  • AH36/DH32/DH36/EH36/EH32/D40/E40/2HCr50 steel sheets and plates for shipbuilding
  • AH36/DH32/DH36/EH36/EH32/D40/E40/2HCr50 steel sheets and plates for shipbuilding
  • AH36/DH32/DH36/EH36/EH32/D40/E40/2HCr50 steel sheets and plates for shipbuilding
  • AH36/DH32/DH36/EH36/EH32/D40/E40/2HCr50 steel sheets and plates for shipbuilding
  • AH36/DH32/DH36/EH36/EH32/D40/E40/2HCr50 steel sheets and plates for shipbuilding
  • AH36/DH32/DH36/EH36/EH32/D40/E40/2HCr50 steel sheets and plates for shipbuilding
  • AH36/DH32/DH36/EH36/EH32/D40/E40/2HCr50 steel sheets and plates for shipbuilding
  • AH36/DH32/DH36/EH36/EH32/D40/E40/2HCr50 steel sheets and plates for shipbuilding
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Product Description
Classification Society
Type ABS DNV GL LR BV KR NK CCS RINA
 
Common strength Ship steel plate A A A A A A A A A
B B B B B B B B B
D D D D D D D D D
E E E E E E E E E
High strength Ship steel plate A32 A32 AH32 AH32 AH32 AH32 AH32 AH32 AH32
D32 D32 DH32 DH32 DH32 DH32 DH32 DH32 DH32
E32 E32 EH32 EH32 EH32 EH32 EH32 EH32 EH32
F32 F32 FH32 FH32 FH32 FH32 FH32 FH32 FH32
A36 A36 AH36 AH36 AH36 AH36 AH36 AH36 AH36
D36 D36 DH36 DH36 DH36 DH36 DH36 DH36 DH36
E36 E36 EH36 EH36 EH36 EH36 EH36 EH36 EH36
F36 F36 FH36 FH36 FH36 FH36 FH36 FH36 FH36
A40 A40 AH40 AH40 AH40 AH40 AH40 AH40 AH40
D40 D40 DH40 DH40 DH40 DH40 DH40 DH40 DH40
E40 E40 EH40 EH40 EH40 EH40 EH40 EH40 EH40
F40 F40 FH40 FH40 FH40 FH40 FH40 FH40 FH40
Extra High strength Ship steel plate  AQ43 A420 A420 A420 A420 A43 A43 A420 A420
 DQ43 D420 D420 D420 D420 D43 D43 D420 D420
 EQ43 E420 E420 E420 E420 E43 E43 E420 E420
 FQ43 F420 F420 F420 F420 F43 F43 F420 F420
 AQ47 A460 A460 A460 A460 A47 A47 A460 A460
 DQ47 D460 D460 D460 D460 D47 D47 D460 D460
 EQ47 E460 E460 E460 E460 E47 E47 E460 E460
FQ47 F460 F460 F460 F460 F47 F47 F460 F460
AQ51 A500 A500 A500 A500 A51 A51 A500 A500
DQ51 D500 D500 D500 D500 D51 D51 D500 D500
EQ51 E500 E500 E500 E500 E51 E51 E500 E500
FQ51 F500 F500 F500 F500 F51 F51 F500 F500
AQ56 A550 A550 A550 A550 A56 A56 A550 A550
DQ56 D550 D550 D550 D550 D56  D56 D550 D550
EQ56 E550 E550 E550 E550 E56 E56 E550 E550
FQ56 F550 F550 F550 F550 F56 F56 F550 F550
AQ63 A620 A620 A620 A620 A63 A63 A620 A620
DQ63 D620 D620 D620 D620 D63 D63 D620 D620
EQ63 E620 E620 E620 E620 E63 E63 E620 E620
FQ63 F620 F620 F620 F620 F63 F63 F620 F620
AQ70 A690 A690 A690 A690 A70 A70 A690 A690
DQ70 D690 D690 D690 D690 D70 D70 D690 D690
EQ70 E690 E690 E690 E690 E70 E70 E690 E690
FQ70 F690 F690 F690 F690 F70 F70 F690 F690

AH32, AH36, AH40, DH32, DH36, DH40, EH32, EH36, EH40, FH32, EH36, FH40 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

N

max

AH32

0.18

0.50

0.90-1.60

0.035

0.035

0.015

0.02

0.35

0.20

0.40

0.08

 

 

 

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

 

AH40

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

 

DH32

0.18

0.50

0.90-1.60

0.035

0.035

0.015

0.02

0.35

0.20

0.40

0.08

 

 

 

DH36

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

 

DH40

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

 

EH32

0.18

0.50

0.90-1.60

0.035

0.035

0.015

0.02

0.35

0.20

0.40

0.08

 

 

 

EH36

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

 

EH40

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

 

FH32

0.16

0.50

0.90-1.60

0.025

0.025

0.015

0.02

0.35

0.20

0.80

0.08

 

 

0.009

FH36

0.16

0.50

0.90-1.60

0.025

0.025

0.015

0.02

0.35

0.20

0.80

0.08

0.02-0.05

0.05-0.10

0.009

FH40

0.16

0.50

0.90-1.60

0.025

0.025

0.015

0.02

0.35

0.20

0.80

0.08

0.02-0.05

0.05-0.10

0.009

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.

AH32, AH36, AH40, DH32, DH36, DH40, EH32, EH36, EH40, FH32, EH36, FH40 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

AH32

440-570

315

22

0

31

22

38

26

46

31

AH36

490-630

355

21

0

34

24

41

27

50

34

AH40

510-660

390

20

0

41

27

-

DH32

440-570

315

22

-20

31

22

38

26

46

31

DH36

490-630

355

21

-20

34

24

41

27

50

34

DH40

510-660

390

20

0

41

27

-

EH32

440-570

315

22

-40

31

22

38

26

46

31

EH36

490-630

355

21

-40

34

24

41

27

50

34

EH40

510-660

390

20

-20

41

27

-

FH32

440-570

315

22

-60

31

22

-

-

-

-

FH36

490-630

355

21

-60

34

24

-

-

-

-

FH40

510-660

390

20

-40

41

27

-

AH32, AH36, AH40, DH32, DH36, DH40, EH32, EH36, EH40, FH32, EH36, FH40 delivery condition:

Grade

Fine grains elements

category

The thickness of steel

≤ 12

> 12.5-20

> 20-25

> 25-35

> 35-50

> 50-100

AH32

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)

-

AH36

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)

-

Profile steel

 

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

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

A(50)

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

-

AH40

any

Plate/sheet

A(50)

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

-

 

Profile steel

DH32

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)

-

DH36

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)

-

DH40

any

Plate/sheet

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

-

 

Profile steel

EH32

Any

Plate/sheet

N,TM

 

Profile steel

N(25),TM(25),AR*(15),CR*(15)

-

EH36

Any

Plate/sheet

N,TM

 

Profile steel

N(25),TM(25),AR*(15),CR*(15)

-

EH40

any

Plate/sheet

N,TM,Q & T

-

 

Profile steel

N(25),TM(25),Q & T(25)

FH32

Any

Plate/sheet

N,TM,Q & T

-

Profile steel

N(25),TM(25),QT*(25),CR*(25)

-

FH36

Any

Plate/sheet

N,TM,Q & T

 

Profile steel

N(25),TM(25),Q & T(15),CR*(25)

-

FH40

Any

Plate/sheet

N,TM,Q & T

-

Profile steel

N(25),TM(25),Q & T(25)

Carbon Equivalent for Higher strength shipbuilding structural steel produced AH32, AH36, AH40, DH32, DH36, DH40, EH32, EH36, EH40, FH32, EH36, FH40 by TMCP

Grade

Carbon Equivalent , Max, %

Thickness (t), in.(mm)

t≤ 2.0 in,(50mm)

T2.0 in (50mm) t≤ 4.0 in,(100mm)

AH32,DH32,EH32,FH32

0.36

0.38

AH36,DH36,EH36,FH36

0.38

0.40

AH40,DH40,EH40,FH40

0.40

0.42

Extra-high tensile strength shipbuilding steel 420/460/550/620/690 chemical composition %

Grade

C max

Si 

Mn

max

P max

S max

Als 

N max

Nb max

V

max

Ti

max

B

max

420

0.21

0.10-0.55

1.7

0.035

0.035

0.015-0.08

0.20

0.02-0.05

0.04-0.10

0.02

0.005

460

0.21

0.10-0.55

1.7

0.035

0.035

0.015-0.08

0.20

0.04-0.10

0.04-0.10

0.02

0.005

500

0.21

0.10-0.55

1.7

0.035

0.035

0.015-0.08

0.20

0.04-0.10

0.04-0.10

0.02

0.005

550

0.21

0.10-0.55

1.7

0.035

0.035

0.015-0.08

0.20

0.02-0.05

0.04-0.10

0.02

0.005

620

0.21

0.10-0.55

1.7

0.035

0.035

0.015-0.08

0.20

0.02-0.05

0.04-0.10

0.02

0.005

690

0.21

0.10-0.55

1.7

0.035

0.035

0.015-0.08

0.20

0.02-0.05

0.04-0.10

0.02

0.005

Mechanical Property

Grade

Mechanical Property

Charpy V Impact Test

Yield Min Mpa

Tensile

Mpa

Elongation

Min  %

Degree

Energy 1 (J)

Energy 2(J)

420

420

530-680

18%

0

28

42

460

460

570-720

17%

0

31

46

500

500

610-770

16%

0

33

50

550

550

670-830

16%

0

37

55

620

620

720-890

15%

0

41

62

690

690

770-940

14%

0

46

69

Specifications︰Shipbuilding steel , also can be called hull steel , is divided into the following types : steel plates, angle steel , flat-bulb steel, and flat bar, steel pipe, and steel bar. Above , there is main steel type for shipbuilding. Or sometimes , stainless steel also will be used in shipbuilding.

Almost every country has their classification society. But ,only several society are usually accepted by most of the user, like : ABS , BV , DNV , GL, LR, NK, RINA.

Productive technology of our shipbuilding steel are : hot rolled(HR), control rolled(CR) Thermo Mechanical Control Process(TMCP), Normalized , Q&T, impact test, Z15,Z25,Z35.

Clients can be never worried about our steel quality, not only because of the quality-controlling from the classification society , but also from our steel mill. We offer Mill Test Certificate , whose information can match the HARD stamp on the shipbuilding steel plates by brand of manufacturer, Heat No.,Batch No., steel grade, steel size, and the brand of Classification Society.

We also have a pre-treatment process line can offer our clients shot blasting and shop primed service on the shipbuilding steel. Blasting is according to SA2.5 standard, and the coating thickness of the shop primer painting is 15-35 micrometer.

Steel grade of the shipbuilding steel we offered are A, B , D, E, AH32, AH36, AH40, DH32, DH36, DH40, FH32, FH36, FH40, 2HCR50 in ASTM A131 and API standard.
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