Nm450 Nm400 Nm500 High Wear Resistant Steel Plate
NM300,NM360,NM400,NM450,NM500,NM550,NM600,NM650,Mn13
nm450 nm400 nm500 high wear resistant steel plate
The hardness of the surface of the wear-resistant plate is very high, and the service life is long. Its main components are low carbon steel plate and alloy wear-resistant layer, of which the alloy wear-resistant layer occupies 1/2~1/3 of the thickness of the whole plate; Because the main chemical composition is chromium, it can reach 20% to 30% of all material content, so its wear resistance is very good.
Wear-resistant plate Brinell hardness:
NM 400 / WNM400 : 360-440HB
NM450 / WNM450 : 410-490HB
NM500 / WNM500 : 460-540HB
Features of wear-resistant plate:
1, impact resistance: the impact resistance of the wear-resistant plate is very good, in the process of conveying materials, even if there is a very high drop, it will not have too much damage to the wear-resistant plate.
2, heat resistance: under normal circumstances, wear-resistant plates below 600 degrees can be used normally, and if we add some vanadium and molybdenum when making wear-resistant plates, then the high temperature below 800 degrees is no problem.
3, corrosion resistance: Because the wear-resistant plate contains a lot of chromium, the corrosion resistance of the wear-resistant plate is excellent, and there is no need to worry about corrosion.
4, cost performance: The price of wear-resistant plate is 3 to 4 times that of ordinary steel plate, but the service life of wear-resistant plate is more than 10 times longer than ordinary steel plate, so its cost performance is relatively high.
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Grade comparison |
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GB |
NM300,NM360,NM400,NM450,NM500 |
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SS |
HARDOX400,HARDOX450,HARDOX500,HARDOX600 |
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DIN |
XAR400,XAR450,XAR500,XAR600,Dillidur400,Dillidur500 |
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NBN |
QUARD400,QUARD450,QUARD500 |
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NF |
FORA400,FORA500,Creusabro4800,Creusabro8000 |
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JIS |
JFE-EH360, JFE-EH400,JFE-EH500,WEL-HARD400,WEL-HARD500 |
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SFS |
RAEX400,RAEX450,RAEX500 |
Mechanical Properties
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Grade
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Tensile strength
(Mpa)
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Elongation
(%)(min)
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Hardness
(HBW)
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-20℃ Impact energy
AKv/J (min)
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NM400
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≥1200
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≥10
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370-430
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≥24
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|
NM450
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≥1250
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≥7
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420-480
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≥24
|
|
NM500
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≥1250
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≥7
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≥470
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≥24
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Chemical of composition
| Grade | C | Si | Mn | P | S | Cr | Ni | Mo | B |
| NM400 | ≤0.24 | ≤0.50 | ≤1.60 | ≤0.025 | ≤0.015 | 0.40-0.80 | 0.20-0.50 | 0.20-0.50 | ≤0.005 |
| NM450 | ≤0.26 | ≤0.50 | ≤1.60 | ≤0.025 | ≤0.015 | ≤1.50 | ≤1.00 | ≤0.50 | ≤0.004 |
| NM500 | ≤0.38 | ≤0.50 | ≤1.70 | ≤0.020 | ≤0.010 | ≤1.20 | ≤1.00 | ≤0.65 | 0.005-0.006 |
| 400 | ≤0.22 | ≤0.70 | ≤1.60 | ≤0.025 | ≤0.015 | ≤0.80 | ≤0.50 | ≤0.25 | ≤0.004 |
| 450 | ≤0.25 | ≤0.70 | ≤1.60 | ≤0.025 | ≤0.010 | ≤0.50 | ≤0.25 | ≤0.25 | ≤0.004 |
| 500 | ≤0.29 | ≤0.70 | ≤1.60 | ≤0.025 | ≤0.015 | ≤1.00 | ≤1.00 | ≤0.60 | ≤0.004 |
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Specification
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