Gangsteel is specialized in supplying ABS Extra high strength steel plate in ABS Grade DQ56. For more information of Grade DQ56 steel plate, please check them in following:

 

 

AB/DQ56  Extra high Strength Chemical Composition in Tempering and Quenching

Grade

The Element Max (%)

C

Si

Mn

P

S

N

AB/DQ56

0.20

0.55

1.7

0.030

0.030

0.02

 

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】%

 

 

 

AB/DQ56 Extra high strength property in tempering and quenching

Grade

Mechanical Property

Charpy V Impact Test

Yield

Tensile

Elongation

Degree

Energy 1

Energy 2

Min Mpa

Mpa

Min  %

-20

J

J

AB/DQ56

550

670-835

16

37

55

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

Boiler steel plates| Alloy steel plates| High strength plate| Carbon steel plate

 

 

 

 

 

Equivalent steel grade of AB/DQ56

DNV

GL

LR

BV

CCS

NK

KR

RINA

NV D550

GL-D550

LR/DH55

BV/D550

CCS/D550

K D56

R D56

RI/D550

 

 

 

If you need more stock steel plates in shipbuilding steel plate, please click warehouse sizes.

 

 Related steel grades: AB/DQ51, AB/DQ47, AB/DQ43, AB/AQ47

 

 

ABS Steel Plate Grade Supplier

General Strength

AB/A

AB/B

AB/D

AB/E

High Strength

AB/AH32

AB/DH32

AB/EH32

AB/FH32

AB/AH36

AB/DH36

AB/EH36

AB/FH36

AB/AH40

AB/DH40

AB/EH40

AB/FH40

Extra Strength

AB/AQ43

AB/DQ43

AB/EQ43

AB/FQ43

AB/AQ47

AB/DQ47

AB/EQ47

AB/FQ47

AB/AQ51

AB/DQ51

AB/EQ51

AB/FQ51

AB/AQ56

AB/DQ56

AB/EQ56

AB/FQ56

AB/AQ63

AB/DQ63

AB/EQ63

AB/FQ63

AB/AQ70

AB/DQ70

AB/EQ70

AB/FQ70

 

 

 

 

 

 

 

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