NM550 High strength abrasion resistant steel plate,NM550

 

 

GB/T 24186-2009 NM550 High strength abrasion resistant steel plate for construction machine in the quenched, tempered condition and TMCP heat treatment.

 

NM550 Chemical requirement 

 

Grade

Chemical requirement or element  Max %

 

 

C

Si

Mn

P

S

Cr

Ni

Mo

Ti

B

ALs

 

NM550

0.38

0.70

1.7

0.020

0.010

1.2

1.0

0.70

0.05

0.005-

0.006

0.010

min

 
 
 
 

 

 

NM550 Property in tensile and yield strength, and impact test requirement

 

Grade

Property

Impact test

HBW

NM550

Yield Mpa Min

Tensile Mpa

Elongation

Min  J

Min 530

Thickness mm

Thickness mm

Degree

《70mm

<=70mm

%

-20

 

 

 

 

 

 

HENAN GANG IRON AND STEEL CO.,LTD Supply NM550 in about 1000tons stock for many thickness and sizes. If you have requirement for stock or new Q460C requirement, please feel free to contact us or send us email by admin@gangsteel.com

 

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