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                                   GL F550 STEEL PLATE

 

 

Gangsteel is specialized in supplying GL extra high strength steel plate in GL Grade F550. For more information of Grade F550 steel plate, please check them in following:

 

GL F550 extra High Strength Chemical Composition Tempering and Quenching

Grade

The Element Max (%)

C

Si

Mn

P

S

Al(min)

N

GL F550

0.18

0.55

1.60

0.025

0.020

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 F550 extra High strength property in Tempering and Quenching

Grade

Mechanical Property

Charpy V Impact Test

Yield

Tensile

Elongation

Degree

Energy 1

Energy 2

GL F550

Min Mpa

Mpa

Min  %

-60

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 F550

DNV

GL

LR

BV

CCS

NK

KR

RINA

NV F550

GL F550

LR/FH55

BV/F550

CCS/F550

K F56

R F56

RI/F550

 

 

 

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