NM 400 450 Abrasion Resistant Steel Plate
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NM 400/450 Abrasion Resistant Steel Plate: The Ideal Solution for Heavy-Duty Applications
When looking for abrasion-resistant steel plates that can withstand demanding environments, NM 400 and NM 450 are two of the most reliable and widely-used options. These high-quality steel plates are designed to endure extreme wear, providing long-lasting performance in industries such as mining, construction, material handling, and more.
What Is NM 400/450 Abrasion Resistant Steel Plate?
NM 400 and NM 450 are premium abrasion-resistant (AR) steel plates specifically engineered for high-wear environments. With exceptional hardness and resistance to wear and tear, these steel plates ensure that machinery and equipment maintain their integrity, reducing maintenance costs and enhancing productivity.
NM 400 is ideal for applications that require excellent hardness while maintaining a high level of toughness. NM 450, on the other hand, offers a higher hardness level, making it suitable for applications subjected to severe wear.
Key Features of NM 400/450 Abrasion Resistant Steel Plate
High Hardness: NM 400 has a nominal hardness of 400 HBW, while NM 450 has a nominal hardness of 450 HBW, both ensuring exceptional wear resistance.
Superior Toughness: Despite their high hardness, both plates maintain excellent toughness, reducing the risk of cracking under impact loads.
Improved Durability: The advanced chemical composition and tough microstructure enhance the durability of these plates.
Easy Fabrication: NM 400/450 can be easily welded, machined, and fabricated, making it a versatile choice for various applications.
Consistent Quality: Manufactured under strict quality controls, ensuring reliable performance and longevity.
NM 400/450 Chemical Composition
| Element | NM 400 Composition (%) | NM 450 Composition (%) |
|---|---|---|
| Carbon (C) | 0.28 - 0.40 | 0.28 - 0.40 |
| Manganese (Mn) | 0.80 - 1.60 | 0.80 - 1.60 |
| Silicon (Si) | ≤ 0.60 | ≤ 0.60 |
| Phosphorus (P) | ≤ 0.025 | ≤ 0.025 |
| Sulfur (S) | ≤ 0.01 | ≤ 0.01 |
| Chromium (Cr) | 0.40 - 1.00 | 0.40 - 1.00 |
| Nickel (Ni) | ≤ 0.50 | ≤ 0.50 |
| Boron (B) | ≤ 0.005 | ≤ 0.005 |
| Molybdenum (Mo) | ≤ 0.50 | ≤ 0.50 |
| Vanadium (V) | ≤ 0.15 | ≤ 0.15 |
NM 400/450 Mechanical Properties
| Property | NM 400 Value | NM 450 Value |
|---|---|---|
| Yield Strength (RP0.2) | ≥ 1,100 MPa | ≥ 1,200 MPa |
| Tensile Strength (Rm) | 1,300 - 1,600 MPa | 1,400 - 1,700 MPa |
| Elongation (A5) | ~12% | ~10% |
| Impact Toughness (KV) | ≥ 27 J at -40°C | ≥ 27 J at -40°C |
| Hardness | 400 HBW | 450 HBW |
| Modulus of Elasticity | ~210 GPa | ~210 GPa |
Advantages of NM 400/450 Abrasion Resistant Steel Plate
Durability: These plates are designed to resist wear and abrasion, significantly extending the lifespan of equipment, tools, and machinery.
Cost Efficiency: By reducing maintenance needs and part replacements, NM 400/450 can lower overall operational costs in the long term.
Versatility: NM 400 is suitable for medium to high-wear applications, while NM 450 excels in highly abrasive environments. Both plates are adaptable to various manufacturing processes.
Global Availability: As part of the SSAB product line, NM 400/450 is widely available, ensuring prompt delivery across multiple industries.
Applications of NM 400/450 Abrasion Resistant Steel Plate
•85-100% longer estimated service life compared to NM 400
•Guaranteed impact energy of 27 J at -20°C
•Narrow Brinell hardness window of 475-505 HBW
•Highly dent and crack resistant when hit by sharp and heavy objects.
NM 400 and NM 450 are used in a wide range of industries where abrasion resistance is a key requirement:
Construction: Used in diggers, loaders, and other heavy machinery.
Mining: For bucket linings, crushers, and mining vehicles.
Material Handling: Conveyor systems, chutes, and hoppers.
Quarrying: Crusher plates and other heavy equipment parts.
Recycling: Shredders and equipment for handling scrap metal.
Agriculture: Harvester blades and other machinery exposed to abrasives.
Fabrication Guidelines for NM 400/450
Welding: Preheating is recommended for thicker plates. Use low-hydrogen electrodes, and consider welding methods like SMAW, GMAW, and FCAW.
Cutting: Plasma cutting, laser cutting, and other thermal cutting techniques work well with these steel plates.
Bending: The minimum recommended bending radius is 3 times the plate thickness for optimal results.
Machining: Use carbide tools for optimal drilling, milling, and machining performance.
Why Choose NM 400/450 Abrasion Resistant Steel Plate?
Longer Equipment Life: NM 400 and 450 steel plates significantly extend the life of machines and parts that operate in harsh, high-wear environments.
Lower Maintenance Costs: Their high durability reduces the frequency of repairs and replacements, saving businesses time and money.
Enhanced Productivity: By keeping equipment in optimal working condition for longer periods, NM 400/450 ensures maximum efficiency in operations.
Conclusion
If your business operates in high-abrasion environments and requires steel that can endure extreme wear and tear, NM 400 and 450 Abrasion Resistant Steel Plate are excellent choices. With their remarkable hardness, toughness, and versatility, these steel plates will ensure your equipment performs efficiently and lasts longer, ultimately improving your bottom line.
Contact us today to learn more about NM 400 and 450 and how they can help improve your operations!
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