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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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