Description
AR400 Wear Plate (UNS K11801)
AR400 Wear Plate, also known as Abrasion Resistant 400 Steel Plate, is a high-strength steel plate designed to withstand heavy wear, abrasion, and impact. Identified under UNS K11801, AR400 plates are widely used in industries where materials constantly slide, grind, or impact surfaces.
The plate typically has a nominal hardness of 400 Brinell Hardness (HB) which provides excellent resistance to abrasion while maintaining good weldability and machinability. AR400 wear plates are commonly used in mining, construction, cement plants, material handling, and heavy equipment manufacturing.
Due to its durability and longer service life, AR400 steel helps reduce maintenance costs and downtime in industrial equipment.
Key Features
- High abrasion resistance with approx. 400 HB hardness
- Excellent impact resistance
- Good weldability and fabrication capability
- Longer service life compared to mild steel plates
- Reduced maintenance and replacement costs
- Suitable for heavy-duty industrial environments
- Good balance of strength and toughness
AR400 Wear Plate Available Sizes
| Thickness | Width | Length |
|---|---|---|
| 3 mm – 10 mm | 1250 mm – 2000 mm | 2500 mm – 6000 mm |
| 12 mm – 25 mm | 1500 mm – 2500 mm | 6000 mm – 9000 mm |
| 30 mm – 100 mm | 2000 mm – 3000 mm | 9000 mm – 12000 mm |
Custom sizes, cut plates, and profiles can also be supplied based on project requirements.
AR400 Chemical Composition
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.20 – 0.30 |
| Manganese (Mn) | 0.70 – 1.60 |
| Silicon (Si) | 0.15 – 0.50 |
| Phosphorus (P) | ≤ 0.025 |
| Sulfur (S) | ≤ 0.010 |
| Chromium (Cr) | 0.50 – 1.50 |
| Nickel (Ni) | 0.25 – 1.00 |
| Molybdenum (Mo) | 0.20 – 0.50 |
AR400 Mechanical Properties
| Property | Value |
|---|---|
| Hardness | 360 – 440 HB |
| Tensile Strength | 1200 – 1600 MPa |
| Yield Strength | ≥ 1000 MPa |
| Elongation | 10 – 12 % |
| Impact Toughness | High |
AR400 Physical Properties
| Property | Value |
|---|---|
| Density | 7.85 g/cm³ |
| Melting Point | 1425 – 1540 °C |
| Thermal Conductivity | 45 W/mK |
| Modulus of Elasticity | 210 GPa |
Types of AR400 Wear Plate
- AR400 Standard Wear Plate
- AR400 Cut to Size Plate
- AR400 Fabricated Wear Parts
- AR400 Laser Cut Plate
- AR400 Wear Liners
- AR400 Custom Profile Plates
Applications
AR400 plates are widely used in industries where abrasion resistance is critical.
- Mining equipment and dump truck bodies
- Excavator buckets and loader buckets
- Conveyor systems and liners
- Cement plant equipment
- Crushing and screening equipment
- Material handling equipment
- Chutes, hoppers, and bins
- Agricultural machinery
- Construction and earthmoving equipment
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