Stock Steel Plates

GL AH40|GL AH40 STEEL PLATE

 

                                   GL AH40 STEEL PLATE

 

 

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

 

GL AH40 high Strength Chemical Composition in Tempering and Quenching

Grade

The Element Max (%)

C

Si

Mn

P

S

Al

N

GL AH40

0.18

0.50

0.90-1.6

0.035

0.035

0.015

 

Nb

V

Ti

Cu

Cr

Ni

Mo

0.02-0.05

0.05-0.10

0.02

0.30

0.2

0.4

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】%

 

 

 

GL AH40 high strength property in tempering and quenching

Grade

 

Mechanical Property

Charpy V Impact Test

Thickness

Yield

Tensile

Elongation

Degree

Energy 1

Energy 2

GL AH40

mm

Min Mpa

Mpa

Min  %

0

J

J

t≤50

390

510-660

20%

27

41

50<t≤70

390

510-660

20%

31

46

70<t≤100

390

510-660

20%

37

55

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 GL AH40

DNV

GL

LR

BV

CCS

NK

KR

RINA

NV A40

GL AH40

LR/AH40

BV/AH40

CCS/A40

K A40

R A40

RI/A40

 

 

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