LR/A Steel Plate

LR/A Steel Plate

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

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LR/A steel plate,LR steel plate,LR Grade A|LR/A,Grade A STEEL PLATE

Gnee steel is specialized in supplying LR general strength steel plate in LR/A . For more information of Grade A steel plate, please check them in following:  

LR/A general Strength Chemical Composition

Grade

The Element Max (%)

C

Si

Mn

P

S

Al

N

LR/A

0.21

0.50

2.5×C%

0.035

0.035



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】% 

LR/A  general strength property

Grade


Mechanical Property

Charpy V Impact Test

Thickness

Yield

Tensile

Elongation

Degree

Energy 1

Energy 2

LR/A

mm

Min Mpa

Mpa

Min  %

20

J

J

t≤50

235

400-520

22%

20

27

50<t≤70

235

400-520

22%

24

34

70<t≤100

235

400-520

22%

27

41

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



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