AR500 NM500 Wear Resistant Liner Plate
Wear-resistant steel plate has high wear resistance and good impact performance. It can be cut, bent, welded, etc., and can be connected to other structures by welding, plug welding, bolt connection, etc., which saves time in the process of repairing the site. , convenient and other characteristics, widely used in metallurgy, coal, cement, electric power, glass, mining, building materials, brick and other industries, compared with other materials, has a high cost performance.
NM500 Wear resistant steel plate
Brand Code Comparison
| Standards: | GB | ASTM | SSAB | JIS | EN |
| Grade: | NM360 NM400 NM450 NM500 NM550 NM600 | XAR400 XAR450 XAR500 XAR550 | HARDOX400 HARDOX450 HARDOX500 HARDOX550 HARDOX600 | JFE-EH360 JFE-EH400 JFE-EH450 JFE-EH500 | CREUSABRO4800 CREUSABRO8000 |
Chemical composition
|
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 |
|
NM600 |
≤0.45 |
≤0.70 |
≤1.90 |
≤0.020 |
≤0.010 |
≤1.50 |
≤0.80 |
≤1.00 |
0.0005-0.006 |
|
AR400 |
0.25 |
0.7 |
1.70 |
0.025 |
0.015 |
1.50 |
0.5 |
0.70 |
0.005 |
|
AR450 |
0.26 |
0.7 |
1.70 |
0.025 |
0.015 |
1.00 |
0.5 |
0.70 |
0.005 |
|
AR500 |
0.30 |
0.7 |
1.70 |
0.025 |
0.015 |
1.00 |
0.5 |
0.70 |
0.005 |
Mechanical properties
| Performance Index | NM500 | AR500 | Difference Description |
|---|---|---|---|
| Brinell Hardness (HBW) | 470–530 | 477–534 | Basically equivalent, AR500 with slightly higher upper limit |
| Yield Strength (MPa) | ≥1000 (Typical: 1200–1400) | ≥1400 (Typical: 1480) | AR500 has higher yield strength and better deformation resistance |
| Tensile Strength (MPa) | ≥1250 (Typical: 1350–1550) | ≥1600 (Typical: 1655) | AR500 features obviously higher tensile strength |
| Elongation after Fracture (%) | ≥7 (Transverse) | ≥8 (Transverse) | AR500 owns slightly better plasticity |
| Impact Energy KV2 (J) | ≥24 at 20℃ Room Temperature | ≥20 at -40℃ | NM500 focuses on room temperature toughness; AR500 has excellent low-temperature toughness |
| Cold Bending Performance | 180°, d=4a | 180°, d=6a | NM500 presents better cold bending performance |
AR500 wear-resistant steel plate
production process Of Wear Plate
The crafting of abrasion-resistant materials is executed through a precise regimen of quenching and tempering, transforming forged steel blocks or ingots into materials with superior attributes. This meticulous treatment refines the microstructure of the steel, boosting its inherent toughness and machinability, while simultaneously diminishing its susceptibility to brittle fracture, culminating in the comprehensive hardening of the material.
The dual-stage process of quenching and tempering (Q&T) unfolds as follows: Initially, the steel undergoes quenching, where it is subjected to intense heat reaching temperatures between 1500 to 1650 degrees Fahrenheit, before being swiftly plunged into the water to cool. This rapid cooling induces the formation of a robust crystalline matrix within the steel, substantially amplifying its hardness. In the ensuing tempering phase, the now-hardened steel is heated to a temperature that is just below the critical threshold-ranging from 300 to 700 degrees Fahrenheit-and then gradually cooled in normal atmospheric conditions. This gradual cooling facilitates the realignment of the crystalline structure, preserving the steel's strength and hardness, and concurrently augmenting its overall ductility.
NM500 vs Hardox 500
NM500 and Hardox 500 are renowned for their exceptional resistance to abrasion, making them top choices for steel plates designed to endure harsh conditions. Here's a fresh take on the comparison between these two grades of steel:
Origin and Brand Recognition:
NM500 adheres to the Chinese standard as outlined in GB/T 24186, signifying its origin within the Chinese market. In contrast, Hardox 500 is a distinguished brand under the SSAB umbrella, a Swedish steel industry giant. This brand enjoys a stellar reputation for its consistent quality, making it a popular choice across the globe.
Chemical Composition and Alloying Elements:
While both steel grades boast a robust chemical composition, slight differences exist due to unique manufacturing techniques and proprietary elements. High levels of carbon, manganese, chromium, and other strategic alloying agents are present in both, contributing to their superior hardness, toughness, and resistance to abrasion.
Hardness and Wear Resistance:
NM500 exhibits a hardness that typically fluctuates between 470-540 HBW, slightly edging out Hardox 500, which generally hovers around 470-530 HBW. This hardness is a key indicator of their prowess in withstanding the effects of abrasive wear and impact.
Market Presence and Acceptance:
Hardox 500 has carved out a significant niche for itself in the international market, earning widespread recognition for its reliable performance. NM500, conversely, enjoys a more localized presence, particularly in China and select Asian markets.
Diverse Applications:
Both steel grades are highly sought after in sectors that demand exceptional wear resistance, such as mining, construction, and recycling. They are ideal for components that endure abrasive conditions, including but not limited to buckets, liners, crushers, chutes, and conveyors.
Selection Criteria:
When deciding between NM500 and Hardox 500, it's essential to weigh factors like market availability, regional preferences, project-specific demands, and alignment with industry standards and regulations. Both options provide remarkable abrasion resistance, making the choice primarily
Why choose us?
GNEE focuses on the production of high-grade wear-resistant steel plates in full compliance with global standards to guarantee stable, top-tier quality. Through cutting-edge production equipment and standardized strict quality inspection, all our steel plates boast strong wear resistance and dependable mechanical properties. We supply a full range of products as below:
Official material certification
Custom processing and cutting
Professional Packaging and Transportation
Professional rust-proof and impact-resistant packaging effectively prevents wear, rust, and deformation during transportation. Coupled with stable logistics channels and full-process freight tracking, we ensure the goods are delivered intact and on time.
Our company is a specialized supplier of wear-resistant steel and specialty steel. With rich inventory, a skilled technical and service team, and a solid reputation in the industry, we ensure a stable and reliable supply. Supported by a comprehensive after-sales system, we offer long-term, integrated one-stop procurement solutions.
FAQ:
1.What is the difference between AR500 and NM500?
AR500: Higher carbon (C: ~0.38–0.45%), chromium (Cr: ~1.5%), and boron (B: 0.0005–0.006%) for enhanced hardness and corrosion resistance . NM500: Lower carbon (C: ≤0.38%), added nickel (Ni: ≤1.0%) and molybdenum (Mo: ≤0.65%) for balanced weldability and toughness.
2.What is the difference between Hardox 500 and NM500?
Hardness: NM500 typically has a hardness range of around 470-540 HBW (Brinell hardness), while Hardox 500 typically falls within the range of 470-530 HBW. The hardness level indicates their ability to withstand abrasive wear and impact.
3.Is 4140 steel harder than AR500?
Two of the most common types of AR steel include AR400 and AR500. Another option is 4140 steel, which contains more alloys and other elements to make it harder and more wear-resistant.
4.What makes AR500 steel so strong?
AR500 steel is a type of abrasion resistant steel that has a high surface hardness. It is made by adding carbon and manganese to iron, which increases its strength and hardness. This steel is often used in applications such as targets, body armor, and armored vehicles.
5.Can wear-resistant steel plate be used as a primary load-bearing structural member (e.g., building beams, bridge piers)?
No. Wear-resistant plate is engineered for surface wear resistance, not for structural load-bearing capacity. It is not typically used as a component to carry primary static loads (like building weight, vehicle loads). Structural applications require dedicated structural steels (e.g., Q235, Q355, ASTM A36), which are designed for strength, stiffness, and overall toughness.
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