In mining, construction, and heavy equipment industries, selecting the correct abrasion-resistant steel plate directly impacts service life and maintenance costs. Many buyers ask: What is the difference between AR500 and AR600 plates? The answer lies in hardness, impact resistance, fabrication performance, and application suitability.
As a professional abrasion-resistant steel plate manufacturer and exporter, GNEE supplies high-quality AR500 and AR600 plates with stable hardness control, advanced heat treatment, and global delivery capability. With years of export experience and strict quality inspection systems, we help customers choose the most cost-effective solution based on real working conditions.
Factory heat treatment line – "AR wear-resistant steel plate production workshop"
Difference Between AR500 and AR600 Plates in Mechanical Properties
| Parameter | AR500 Plate | AR600 Plate |
|---|---|---|
| Hardness (HBW) | 470–540 | 570–640 |
| Tensile Strength (MPa) | ≥1500 | ≥1650 |
| Yield Strength (MPa) | ≥1200 | ≥1300 |
| Impact Resistance | Good | Moderate |
| Weldability | Better | Requires stricter control |
| Thickness Range | 4–100 mm | 4–50 mm |
Difference Between AR500 and AR600 Plates in Chemical Composition
| Element | AR500 Steel Plate | AR600 Steel Plate | Difference |
|---|---|---|---|
| Carbon (C) | 0.28–0.35% | 0.35–0.45% | AR600 has 0.07–0.10% higher carbon |
| Manganese (Mn) | 1.00–1.60% | 0.50–1.00% | AR500 has 0.00–0.60% higher manganese |
| Silicon (Si) | 0.60–0.80% | 0.60–0.80% | Same range |
| Chromium (Cr) | 0.50–1.00% | 1.00–1.50% | AR600 has 0.50% higher chromium |
| Molybdenum (Mo) | 0.15–0.25% | 0.30–0.50% | AR600 has 0.15–0.25% higher molybdenum |
| Nickel (Ni) | 0.00–0.50% | 0.50–1.00% | AR600 has 0.00–0.50% higher nickel |
| Phosphorus (P) | ≤0.025% | ≤0.025% | Same limit |
| Sulfur (S) | ≤0.015% | ≤0.015% | Same limit |
| Boron (B) | ≤0.003% | ≤0.003% | Same limit |
| Carbon Equivalent (CE) | ~0.45 | ~0.76–0.84 | AR600 has significantly higher CE |
Difference Between AR500 and AR600 Plates in Applications
Application environment plays a critical role when evaluating the difference between AR500 and AR600 plates.
Typical AR500 Applications
- Dump truck bodies
- Excavator buckets
- Crusher liners
- Structural wear components
- High-impact zones
AR500 is widely used because it handles both abrasion and impact effectively.
Typical AR600 Applications
- Transfer chutes
- Hopper liners
- Conveyor liners
- Fine material handling systems
- Low-impact, high-abrasion areas
AR600 performs best in conditions dominated by sliding wear rather than heavy impact.
Conclusion: What Is the Difference Between AR500 and AR600 Plates?
The main difference between AR500 and AR600 plates lies in hardness and application focus. AR500 offers excellent toughness and versatility, while AR600 delivers superior abrasion resistance for extreme wear environments. The best choice depends on balancing hardness, impact resistance, and fabrication requirements.
If you are evaluating AR500 or AR600 for your next project, contact GNEE today. Our team will provide professional recommendations, competitive pricing, and fast global delivery. Send us your specifications now and receive a customized quotation for AR500 or AR600 wear-resistant steel plates.
FAQ
What is the main difference between AR500 and AR600?
AR600 delivers higher Brinell hardness (roughly 570–650 HBW) than AR500 (roughly 470–540 HBW), giving superior wear and ballistic resistance at the expense of easier forming and sometimes ductility.
Can AR600 be welded like AR500?
Yes, but AR600 often requires more careful welding procedures (preheat, controlled interpass temperatures, selection of suitable filler metal) because of its higher hardenability and greater risk of local embrittlement. Qualification is recommended.
Is AR600 always a better choice for armor?
Not always. AR600 may provide higher ballistic performance by weight, but the final armor qualification depends on system design, backing, spall control, and certified ballistic testing. For many civilian use cases AR500 is adequate.
How much more expensive is AR600 than AR500?
Prices fluctuate by market and country. AR600 typically commands a premium per kg; however, thinner AR600 plates can sometimes substitute for thicker AR500, partially offsetting the price difference. Ask suppliers for side-by-side quotes with equivalent wear life calculations.
Can AR500 or AR600 be cold-formed?
AR500 can be formed more readily than AR600. When forming AR600, use larger bend radii and consult the mill for approved forming limits.
Are there recognized standards for AR plate?
AR grades are performance classes; there's no single universal ASTM spec that defines AR500/AR600 chemistry. However, mills and buyers frequently use EN/BS dimensional standards (e.g., BS EN 10051 for plate tolerances) and ASTM tests (E10 for Brinell hardness, A370 for mechanicals). Specify required tests and acceptance criteria in purchase orders.
Is AR600 more likely to crack in service?
Without proper design, welding practice, and inspection, higher hardness steels can be more susceptible to cracking under impact or cyclic loads. That risk is manageable with correct material selection, appropriate toughness criteria, and qualified fabrication.
