Steel Link:
Steel Category:
Shipbuilding steel
Adopt Standard:
LR Steel Plate
Sell Steel Grade:
LR EH32 , LR FH32 , LR DH32 , LR AH32 , LR AH36 , LR DH36 , LR EH36 , LR FH36 , LR Grade A , LR Grade B , LR Grade D , LR Grade E
Products
LR Grade B

R GRADE B STEEL PLATE

 

 

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

 

 

LR GRADE B general Strength Chemical Composition

Grade

The Element Max (%)

C

Si

Mn

P

S

N

LR GRADE B

0.21

0.35

0.80

0.035

0.035

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 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

t50

235

400-520

18%

20

27

50t70

235

400-520

18%

24

34

70t100

235

400-520

18%

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

 

 

Equivalent steel grade of LR GRADE B

DNV

GL

LR

BV

CCS

NK

KR

RINA

NV B

GL-B

LR/B

BV/B

CCS/B

K B

R B

RI/B

 

 

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