Stock Steel Plates

LR FH55|LR FH55 STEEL PLATE

 

                                   LR FH55 STEEL PLATE

 

 

Gangsteel is specialized in supplying LRextra strength steel plate in LR Grade FH55. For more information of Grade FH55 steel plate, please check them in following:

 

LR FH55 extra high Strength Chemical Composition

Grade

The Element Max (%)

C

Si

Mn

P

S

Al

N

LR FH55

0.18

0.55

1.60

0.025

0.025

0.015

0.020

Nb

V

Ti

Cu

Cr

Ni

Mo

0.02-0.05

0.03-0.10

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】%

 

 

 

LR FH55 extra high strength property

Grade

 

Mechanical Property

Charpy V Impact Test

Thickness

Yield

Tensile

Elongation

Degree

Energy 1

Energy 2

LR FH55

mm

Min Mpa

Mpa

Min  %

-60

J

J

t≤50

550

670-830

18%

37

55

50<t≤70

550

670-830

18%

37

55

70<t≤100

550

670-830

18%

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 LR FH55

DNV

GL

ABS

BV

CCS

NK

KR

RINA

NV F550

GL-F550

AB/FQ56

BV/F550

CCS/F550

K F56

R F56

RI/F550

 

 

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