Stock Steel Plates

LR AH42|LR AH42 STEEL PLATE

 

                                   LR AH42 STEEL PLATE

 

 

Gangsteel is specialized in supplying LRextra strength steel plate in LR Grade AH42. For more information of Grade AH42 steel plate, please check them in following:

 

LR AH42 extra high Strength Chemical Composition

Grade

The Element Max (%)

C

Si

Mn

P

S

Al

N

LR AH42

0.21

0.55

1.70

0.035

0.035

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 AH42 extra high strength property

Grade

 

Mechanical Property

Charpy V Impact Test

Thickness

Yield

Tensile

Elongation

Degree

Energy 1

Energy 2

LR AH42

mm

Min Mpa

Mpa

Min  %

0

J

J

t≤50

420

530-680

20%

28

42

50<t≤70

420

530-680

20%

28

42

70<t≤100

420

530-680

20%

28

42

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 AH42

DNV

GL

ABS

BV

CCS

NK

KR

RINA

NV A420

GL-A420

AB/AQ43

BV/A420

CCS/A420

K A43

R A43

RI/A420

 

 

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