Gangsteel is specialized in supplying KR extra strength steel plate in KR Grade R F51. For more information of Grade R F51 steel plate, please check them in following:

 

KR/R F51 high Strength Chemical Composition

Grade

The Element Max (%)

C

Si

Mn

P

S

Al

N

KR/R F51

0.18

0.55

1.60

0.025

0.025

-

0.020

Nb

V

Ti

Cu

Cr

Ni

Mo

-

-

-

-

-

-

-

 

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】%

 

 

KR/R F51 extra strength property 

Grade

Mechanical Property

Charpy V Impact Test

Yield

Tensile

Elongation

Degree

Energy 1

Energy 2

Min Mpa

Mpa

Min  %

        -60

50

33

KR/R F51

500

610-770

16

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

 

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

 

 

 

Equivalent steel grade of KR/R F51

DNV

GL

LR

BV

CCS

NK

KR

RINA

NV F500

GL F500

LR/FH50

BV/F500

CCS/F500

K F51

R F51

RI/F500

 

 

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

 

The related steel plate KR R A51, KR R D51, KR R E51

 

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