Q550D quenched tempered Steel plate, GB/T 16270 Q550D

 

 

GB/T 16270-2009 Q550D High strength structural steel plates in the quenched and tempered condition

Q550D Chemical requirement 

 

Grade

Chemical requirement or element  Max %

 

 

C

Si

Mn

P

S

Cu

Cr

Ni

Mo

B

V

Nb

Ti

 

Q550D

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

 
 
 
 

 

Q550D Property in tensile and yield strength, and impact test requirement

 

Grade

Property

Impact test

Q550D

Yield Mpa Min

Tensile Mpa

Elongation

Min J

Thickness mm

Thickness mm

Degree

50

50-100

100-150

50

50-100

10-150

%

0

-20

-40

-60

550

530

490

640-820

590-770

16

 

47

 

 

 

HENAN GANG IRON AND STEEL CO.,LTDSupply Q550D in about 3000tons stock for many thickness and sizes. If you have requirement for stock or new Q550D requirement, please feel free to contact us or email to us by admin@gangsteel.com

 

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