Stock Steel Plates

LR GRADE B STEEL PLATE

 

                                   LR GRADE B STEEL PLATE

 

 

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

 

LR GRADE B general Strength Chemical Composition

Grade

The Element Max (%)

C

Si

Mn

P

S

Al

N

LR GRADE B

0.21

0.35

0.80

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 GRADE B general strength property

Grade

 

Mechanical Property

Charpy V Impact Test

Thickness

Yield

Tensile

Elongation

Degree

Energy 1

Energy 2

LR GRADE B

mm

Min Mpa

Mpa

Min  %

0

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

 

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

 

 

Equivalent steel grade of LR GRADE B

DNV

GL

ABS

BV

CCS

NK

KR

RINA

NV B

GL-B

AB/B

BV/B

CCS/B

K B

R B

RI/B

 

 

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