LR/FH42 Steel Plate

LR/FH42 Steel Plate

LR/FH42 steel plate,LR steel plate,FH42,LR/FH42|LR Grade FH42,LR FH42 STEEL PLATE Gnee steel is specialized in supplying LR extra strength steel plate in LR Grade FH62. For more information of Grade FH62 steel plate, please check them in following: Crack Sensitivity: Pcm =...

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LR/FH42 steel plate,LR steel plate,FH42,LR/FH42|LR Grade FH42,LR FH42 STEEL PLATE

Gnee steel is specialized in supplying LR extra strength steel plate in LR Grade FH42. For more information of Grade FH42 steel plate, please check them in following: 

LR/FH42 extra high Strength Chemical Composition

Grade

The Element Max (%)

C

Si

Mn

P

S

Al

N

LR/FH42

0.18

0.55

1.60

0.025

0.025

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/FH42 extra high strength property

Grade


Mechanical Property

Charpy V Impact Test

Thickness

Yield

Tensile

Elongation

Degree

Energy 1

Energy 2

LR/FH42

mm

Min Mpa

Mpa

Min  %

-60

J

J

t≤50

420

720-890

17%

41

42

50<t≤70

420

720-890

17%

41

42

70<t≤100

420

720-890

17%

41

42

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


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