Mainstream material: **65Mn spring manganese steel**, with a few heavy-duty applications using Mn13 high manganese steel. Features crimped interlocking weave, suitable for vibrating screens in mines, quarries, and sand and gravel plants. Wear resistance is enhanced through impact hardening.
## ✅Core Advantages
1. **High impact resistance**: Not easily broken by large stones; high temperature resistance, can withstand hot materials around 300℃, something polyurethane cannot achieve.
2. **High aperture ratio, fast material feeding**: Large material flow rate, suitable for high-volume dry material screening.
3. **Low unit purchase price**: High cost-effectiveness; can be made with very large apertures, ideal for coarse crushing and primary screening.
4. **Good toughness and high tensile strength**: Hook-edge tension installation, compatible with various vibrating screens; can be rolled or cut, flexible customization.
## ⚠️Disadvantages
1. **Wet and sticky materials easily clog the apertures and cause screen clogging**: Screening efficiency drops significantly in clay and sludge conditions.
2. **High noise level:** The vibration and impact noise is significantly higher than that of polyurethane screens.
3. **Short lifespan:** 3-6 months under normal sand and gravel conditions; replacement is required every 1-2 months under severe abrasion. Its wear resistance is far lower than that of polyurethane screens.
4. **Difficult to manufacture with fine apertures:** A aperture smaller than 2mm results in extremely fine wires that break very easily.
## 📐Key Technical Parameters
- Material: **65Mn (most commonly used on the market)**; Mn13 high manganese steel for ultra-heavy impact conditions
- Wire Diameter: 1.5-12mm, coarser wire for large stones, finer wire for small and medium-sized gravel
- Aperture: **2-100mm, mainly square holes**; rectangular holes can also be made; it is difficult to achieve holes smaller than 1mm
- Weaving: Double-cruffed interlocking weaving to prevent mesh displacement and deformation
- Installation Method: **Hook-edge tensioning type**, fixed with pressure bolts, suitable for whole rolls/single screen sheets
- Working Temperature: -20℃～350℃, significant high-temperature resistance
- Hardening Characteristics: Surface hardness increases after impact and friction from materials, becoming harder with wear
## 🛠Applicable Industries & Working Conditions
✅Preferred Manganese Steel Screens:
- Coarse and medium crushing screening in quarries, large hard stones
- Dry sand and gravel, dry ore grading, high-volume dry material processing
- High-temperature hot material screening
- Limited budget, coarse and primary screening
❌ Not suitable for: high-moisture fine sand, tailings dewatering, clay and mud, which are prone to clogging the screen; polyurethane is preferred.