Q690C quenched tempered Steel plate, GB/T 16270 Q690C

 

 

GB/T 16270-2009 Q690C High strength structural steel plates in the quenched and tempered condition

Q690C Chemical requirement 

 

Grade

Chemical requirement or element  Max %

 

 

C

Si

Mn

P

S

Cu

Cr

Ni

Mo

B

V

Nb

Ti

 

Q690C

0.2

0.8

1.7

0.025

0.015

0.5

1.5

2

0.7

0.005

0.12

0.06

0.05

 
 
 
 

 

Q690C Property in tensile and yield strength, and impact test requirement

 

Grade

Property

Impact test

Q690C

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

690

650

630

770-940

710-900

14

47

 

 

 

 

HENAN GANG IRON AND STEEL CO.,LTDSupply Q690C in about 3000tons stock for many thickness and sizes. If you have requirement for stock or new Q690C requirement, please feel free to contact us or email to us by admin@gangsteel.com

 

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