Gangsteel is specialized in supplying GB 712 high strength steel plate in GB 712 FH40 . For more information of Grade FH40 steel plate, please check them in following:

 

 

 GB 712 FH40  high Strength Chemical Composition in Tempering and Quenching

Grade

The Element Max (%)

C

Si

Mn

P

S

Al

N

   GB 712 FH40

0.16

0.50

0.90-1.6

0.035

0.035

0.015

0.009

Nb

V

Ti

Cu

Cr

Ni

Mo

0.02-0.05

0.05-0.10

0.02

0.35

0.2

0.8

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】%

 

 

 

 

    GB 712 FH40  high strength property in tempering and quenching

Grade

 

Mechanical Property

Charpy V Impact Test

Thickness

Yield

Tensile

Elongation

Degree

Energy 1

Energy 2

GB 712 FH40 

mm

Min Mpa

Mpa

Min  %

-60

J

J

t≤50

390

510-660

20%

27

41

50<t≤70

390

510-660

20%

-

-

70<t≤100

390

510-660

20%

-

-

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 GB 712 FH40

DNV

GL

LR

BV

CCS

NK

KR

RINA

NV FH40

GL-FH40

LR/FH40

BV/FH40

CCS/FH40

K FH40

R FH40

RI/FH40

 

 

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

 

Related grades: GB 712 AH40| GB 712 DH40| GB 712 EH40

 

 

 

 

 

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