Stock Steel Plates

DNV A550|DNV A550 STEEL PLATE

 

                                   DNV A550 STEEL PLATE

 

 

Gangsteel is specialized in supplying DNV extra high strength steel plate in DNV Grade A550. For more information of Grade A550 steel plate, please check them in following:

 

DNV A550 extra high Strength Chemical Composition

Grade

The Element Max (%)

C

Si

Mn

P

S

Al

N

DNV A550

0.21

0.10-0.55

1.7

0.035

0.035

0.015-0.08

0.020

Nb

V

Ti

Cu

B

Ni

Mo

0.02-0.05

0.04-0.10

0.02

 

0.005

 

 

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】%

 

 

 

DNV A550 extra high general strength property

Grade

 

Mechanical Property

Charpy V Impact Test

Thickness

Yield

Tensile

Elongation

Degree

Energy 1

Energy 2

DNV A550

mm

Min Mpa

Mpa

Min  %

0

J

J

t≤50

550

670-830

16%

37

55

50<t≤70

550

670-830

16%

37

55

70<t≤150

550

670-830

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 | Stainless steel plate

 

 

Equivalent steel grade of DNV A550

ABS

GL

LR

BV

CCS

NK

KR

RINA

AB/AQ56

GL-A550

LR/AH55

BV/A550

CCS/A550

K A56

R A56

RI/A550

 

 

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