R A51 Steel Plate

R A51 Steel Plate

R A51 steel plate ,KR steel plate,KR/R A51|KR A51 STEEL PLATE, Gnee steel is specialized in supplying KR extra strength steel plate in KR Grade R A51. For more information of Grade R A51 steel plate, please check them in following: Crack Sensitivity: Pcm =...

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R A51 steel plate ,KR steel plate,KR/R A51|KR A51 STEEL PLATE,

Gnee steel is specialized in supplying KR extra strength steel plate in KR Grade R A51. For more information of Grade R A51 steel plate, please check them in following: 

KR/R A51 high Strength Chemical Composition

Grade

The Element Max (%)

C

Si

Mn

P

S

Al

N

KR/R A51

0.21

0.55

1.70

0.035

0.035

-

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 A51 extra strength property 

Grade

Mechanical Property

Charpy V Impact Test

Yield

Tensile

Elongation

Degree

Energy 1

Energy 2

Min Mpa

Mpa

Min  %

   0

50

33

KR/R A51

500

610-770

16

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


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