NM400 NM450 NM500 steel Plate are all grades of wear-resistant steel plates, where “NM” stands for wear-resistant, and the following number indicates its average Brinell hardness.
Specifically, NM400 has an average Brinell hardness of 400, NM450 has an average Brinell hardness of 450, and NM500 has an average Brinell hardness of 500.
These wear-resistant steel plates are mainly used in situations or parts that need to withstand wear and impact, such as mining machinery, metallurgical machinery, road construction machinery, engineering machinery, etc.
The difference between NM400, NM450 and NM500 wear-resistant steel plates lies in their hardness and usage occasions.
NM400 has a hardness of 360-440 HBW, NM450 has a hardness of 420-480 HBW, and NM500 has a hardness of 470-530 HBW. This means that NM500 is the hardest and most wear-resistant of the three, followed by NM450 and then NM400.
RAYIWELL MFG / TOP Metal Materials can supply NM360, BHNM400, BHNM450, BHNM500, BHNM550, BHNM600, BHNM650, NR360, NR400, B-HARD360, B-HARD400 (Origin: Baohua, Wugang, Nangang, Baosteel, Wuhan Iron and Steel, Laigang)
Wear-resistant steel plates are mainly divided into two types: alloy wear-resistant steel plates and composite wear-resistant steel plates.
Alloy wear-resistant steel plates are nm400, JFE-EH400, DILLIDUR 400, etc. Composite wear-resistant steel plates are made by surfacing a layer of ordinary steel plates. , make a wear-resistant alloy layer, so it is also called bimetallic wear-resistant steel plate.
NM500 is a high-strength wear-resistant steel plate with high wear resistance and a Brinell hardness value of 500 (HBW).
It is mainly used to provide protection in occasions or parts that require wear resistance, making the equipment last longer and reducing maintenance costs.
NM500 wear-resistant steel plate is widely used in engineering machinery, mining machinery, coal mining machinery, environmental protection machinery, metallurgical machinery, abrasive tools, bearings and other product parts.
HARDOX450 wear-resistant steel plate, 450 is a wear-resistant steel plate with a Brinell hardness of 450HB and has good cold bending properties. HARDOX 450 has very good weldability
| Specifications | GB/T24186 abrasion resistant steel plate |
| Standard | GB/T24186 |
| Specialize | Shim Sheet, Perforated Sheet, B. Q. Profile. |
| Length | 50mm-18000mm |
| Width | 50mm-4020mm |
| Thickness | 1.2mm-300mm |
| Hardness | Soft, Hard, Half Hard, Quarter Hard, Spring Hard etc |
GB/T24186 abrasion resistant steel plate mechanical properties
| Brand | Thickness mm | Tensile Test MPa | Hardness | |||||||
| YS Rel MPa | TS Rm MPa | Elongation % | ||||||||
| NM360 | 10-50 | ≥620 | 725-900 | ≥16 | 320-400 | |||||
| NM400 | 10-50 | ≥620 | 725-900 | ≥16 | 380-460 | |||||
| NM450 | 10-50 | 1250-1370 | 1330-1600 | ≥20 | 410-490 | |||||
| NM500 | 10-50 | — | —- | ≥24 | 480-525 | |||||
Abrasion resistant steel plate is a plate which is high in carbon and alloyed with a range of different elements such as carbon and boron.
Abrasion resistant steel plate is usually produced using a quenching process, which increases the hardness of the steel and forms a unique grain structure.
Wear Resistant Steel Mechanical Properties
| Grade | C | Si | Mn | P | S | Cr | Mo | Ni | Bt |
| NM360 | ≤0.25 | ≤0.70 | ≤1.60 | ≤0.025 | ≤0.015 | ≤0.80 | ≤0.50 | ≤0.50 | 0.0005-0.006 |
| NM400 | ≤0.30 | ≤0.70 | ≤1.60 | ≤0.025 | ≤0.010 | ≤1.00 | ≤0.50 | ≤0.70 | 0.0005-0.006 |
| NM450 | ≤0.35 | ≤0.70 | ≤1.70 | ≤0.025 | ≤0.010 | ≤1.10 | ≤0.55 | ≤0.80 | 0.0005-0.006 |
| NM500 | ≤0.38 | ≤0.70 | ≤1.70 | ≤0.020 | ≤0.010 | ≤1.20 | ≤0.65 | ≤1.00 | 0.0005-0.006 |
| NM550 | ≤0.38 | ≤0.70 | ≤1.70 | ≤0.020 | ≤0.010 | ≤1.20 | ≤0.70 | ≤1.00 | 0.0005-0.006 |
| NM600 | ≤0.45 | ≤0.70 | ≤1.90 | ≤0.020 | ≤0.010 | ≤1.50 | ≤0.80 | ≤1.00 | 0.0005-0.006 |