Gangsteel is specialized in supplying GL extra high strength steel plate in GL Grade E550. For more information of Grade E550 steel plate, please check them in following:

 

 

GL-E550 extra High Strength Chemical Composition Tempering and Quenching

Grade

The Element Max (%)

C

Si

Mn

P

S

Al(min)

N

GL-E550

0.20

0.55

1.70

0.030

0.030

0.015

0.020

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】%

 

 

 

 

GL-E550 extra High strength property in Tempering and Quenching

Grade

Mechanical Property

Charpy V Impact Test

Yield

Tensile

Elongation

Degree

Energy 1

Energy 2

GL-E550

Min Mpa

Mpa

Min  %

-40

J

J

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 GL-E550

DNV

GL

LR

BV

CCS

NK

KR

RINA

NV E550

GL-E550

LR/EH55

BV/E550

CCS/E550

K E56

R E56

RI/E550

 

 

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

The related steel grade: GL-A550, GL-D550, GL-F550

 

 

 

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