NM400 is one kind of Chinese wear/abrasion resistant steel plates.An NM400 wear-resistant steel was hot rolled and then the plates were heat-treated by direct quenching and tempering and reheat quenching and tempering techniques, respectively.
With high mechanical strength, NM400 steel is 3 times to 5 times more than common low-alloy steel plates which can significantly improve surface hardness, usually achieved 360 ~ 450HB. Used for mining and all kinds of construction machinery wear-resistant parts processing and manufacturing applicable structural steel plate.
Definition
NM400 is a kind of wear-resistant steel plate.
NM – represents wear-resistant use of “resistant” and “grinding” Chinese pinyin first letter;
400 is the Brinell hardness value HB value. (The hardness value of 400 is generalized, and the hardness value range of domestic NM400 is 360-420.)
NM400 Wear Resistant Steel Plate is widely used in construction machinery, mining machinery, coal mining machinery, environmental protection machinery, metallurgical machinery and other parts. Excavator, loader, bulldozer bucket board, blade board, side blade board, blade. Crusher lining plate, blade.
The delivery status of wear-resistant steel plate is: quenching and tempering (that is, quenching and tempering)
Specification
Thickness: 5mm-120mm(optional).
Width: 500mm-4000mm(optional).
Length: 1000mm-12000mm(optional).
Profiled: According to drawing.
Inspection:Chemical analysis, Metallographic, Mechnical analysis, Ultrasonic testing, Impact testing, Hardness testing, Surface quality and Dimension report.
NM400 Chemical Component
|
Element |
Grade NM400 |
|
C |
≤0.25 |
|
Si |
≤0.70 |
|
Mn |
≤1.60 |
|
P |
≤0.025 |
|
S |
≤0.010 |
|
Cr |
≤1.4 |
|
Mo |
≤0.50 |
|
Ni |
≤1.00 |
|
B |
≤0.004 |
|
CEV |
|
NM400 Mechanical Properties
|
Steel Grade |
Y.S (MPa) |
T.S (MPa) |
Elongation A5(%) |
Impact Test |
Hardness |
|
|
min |
min |
min |
(°C) |
AKV J(min) |
HBW |
|
|
NM400 |
1000 |
1250 |
10 |
-20 |
30 |
360-440 |
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