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NM450 NM500 Armor Steel Plate
The NM 450 wear plate comes in narrow (2.5-3.5 mm), wide (8-12 mm), curved (south, west), etc. It mainly consists of a chromium alloy, while alloying components such as manganese, molybdenum, niobium, nickel and boron are added. Carbides in the metallographic structure are distributed in fibers, and the direction of the fibers is perpendicular to the surface.
NM 500 is a wear-resistant material that is resistant to bending. NM 500 has a superior chemical composition including carbon, silicon, nickel, molybdenum, chromium, boron, sulfur, manganese and phosphorus. The superior composition of NM 500 wear plates gives these modules increased durability and resistance to aggressive environments.
Mechanical properties of NM 450 wear resistant steel plate:
|
Tensile strength (≥ MPa) |
Absorbed energy at impact -20℃ (Longi.J) |
Elongation in ≥,% |
H.B.W. |
|
1250 |
≥24 |
50 mm |
420-480 |
|
7 |
Mechanical Properties of NM 500 Wear Resistant Steel Plates:
|
Grade |
Mechanical property |
Charpy V impact test |
|||
|
NM 500 |
Thickness HBW/MPa |
Elongation |
Degree |
longitudinal |
|
|
4-32 mm |
470-530 |
Min % |
-40 |
J |
|
|
(32)-80 |
450-540 |
10 |
40 |
||
Wear Restistant Steel：
1.Excellent wear resistance. The composite wear resistant alloy layer is generally 1/3~1/2 of the total thickness,wear resistance is more than doubled even when compared with casting alloys of the same composition and hardness.
2.Good impact resistance The base layer of composite wear resistant steel plate is made of low carbon steel or low alloy steel plate, which can withstand the high load from medium and wear in the material conveying system.
3.Good heat resistance The carbon steel base layer is recommended to be used at no more than 380℃, and the wear-resistant layer is no more than 600℃.
4.Good corrosion resistance The alloy layer of wear-resisting composite steel plate contains highly chromium, which makes the plate more anti-rust and anti-corrosion, can be used in coal cylinder and funnel to prevent coal sticking.
We can provide customized services. We can customize A283 A283M Structural Steel Plate, 35NiCr6 High Alloy Steel Plate, EN 1.8958 1.8961 weathering resistant steel and other products according to your needs. If you have any needs, please contact us.
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