LR/AH40 Steel Plate

LR/AH40 Steel Plate

LR/AH40 steel plate,LR steel plate,AH40,LR/AH40|LR Grade AH40,LR AH40 STEEL PLATE, Gnee steel is specialized in supplying LR high strength steel plate in LR Grade AH40. For more information of Grade AH40 steel plate, please check them in following: Crack Sensitivity: Pcm =...

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LR/AH40 steel plate,LR steel plate,AH40,LR/AH40|LR Grade AH40,LR AH40 STEEL PLATE,

Gnee steel is specialized in supplying LR high strength steel plate in LR Grade AH40. For more information of Grade AH40 steel plate, please check them in following: 

LR/AH40 high Strength Chemical Composition

Grade

The Element Max (%)

C

Si

Mn

P

S

Al

N

LR/AH40

0.18

0.05

0.9-1.6

0.035

0.035

0.015

Nb

V

Ti

Cu

Cr

Ni

Mo

0.02-0.05

0.03-0.10

0.02

0.35

0.20

0.40

0.08

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/AH40 high strength property

Grade

Mechanical Property

Charpy V Impact Test

Thickness

Yield

Tensile

Elongation

Degree

Energy 1

Energy 2

LR/AH40

mm

Min Mpa

Mpa

Min  %

0

J

J

t≤50

390

510-650

20%

26

39

50<t≤70

390

510-650

20%

31

46

70<t≤100

390

510-650

20%

37

55

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



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