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                                   LR EH69 STEEL PLATE

 

 

Gangsteel is specialized in supplying LRextra strength steel plate in LR Grade EH69. For more information of Grade EH69 steel plate, please check them in following:

 

LR EH69 extra high Strength Chemical Composition

Grade

The Element Max (%)

C

Si

Mn

P

S

Al

N

LR EH69

0.20

0.55

1.70

0.030

0.030

0.015

0.020

Nb

V

Ti

Cu

Cr

Ni

Mo

0.02-0.05

0.03-0.10

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 EH69 extra high strength property

Grade

 

Mechanical Property

Charpy V Impact Test

Thickness

Yield

Tensile

Elongation

Degree

Energy 1

Energy 2

LR EH69

mm

Min Mpa

Mpa

Min  %

-40

J

J

t≤50

690

770-940

16%

46

69

50<t≤70

690

770-940

16%

46

69

70<t≤100

690

770-940

16%

46

69

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 EH69

DNV

GL

ABS

BV

CCS

NK

KR

RINA

NV E690

GL-E690

AB/EQ70

BV/E690

CCS/E690

K E70

R E70

RI/E690

 

 

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