Q620E quenched tempered Steel plate, GB/T 16270 Q620E

 

 

GB/T 16270-2009 Q620E High strength structural steel plates in the quenched and tempered condition

Q620E Chemical requirement 

 

Grade

Chemical requirement or element  Max %

 

 

C

Si

Mn

P

S

Cu

Cr

Ni

Mo

B

V

Nb

Ti

 

Q620E

0.2

0.8

1.7

0.020

0.010

0.5

1.5

2

0.7

0.005

0.12

0.06

0.05

 
 
 
 

 

Q620E Property in tensile and yield strength, and impact test requirement

 

Grade

Property

Impact test

Q620E

Yield Mpa Min

Tensile Mpa

Elongation

Min J

Thickness mm

Thickness mm

Degree

50

50-100

100-150

50

50-100

100-150

%

0

-20

-40

-60

620

580

560

700-890

650-830

15

 

 

37

 

 

HENAN GANG IRON AND STEEL CO.,LTDSupply Q620E in about 3000tons stock for many thickness and sizes. If you have requirement for stock or new Q620E requirement, please feel free to contact us or email to us by admin@gangsteel.com

 

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