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Screw Surface Treatments

Hardfaced Screw Flight
Hardfaced Screw Flight

Hardfaced Screw Flight

Flights with welded CrC or WC overlay (HRC 58-62). Ideal for cement, slag, and ore conveying. Field-···
Price:Custom PricingCustomized
Hardfaced Screw Flight
Hardfaced Screw Flight
Product Details

Hardfaced Screw Flight – Ultra-Durable Wear-Resistant Conveying Component

Product Overview

The Hardfaced Screw Flight is a premium wear-resistant solution designed for extreme abrasion and impact conditions in material handling systems. Manufactured by Jiahe Conveying Equipment Technology Co., Ltd, this product features advanced hardfacing welding techniques that significantly enhance the lifespan of screw conveyors, augers, and feeders in industries such as mining, cement, and bulk material processing.

Key Features

1. Exceptional Wear Resistance

  • High-Hardness Overlay: The screw flight is reinforced with chromium carbide (CrC), tungsten carbide (WC), or AR plate overlays, providing surface hardness of HRC 58-65, making it 4-8 times more wear-resistant than standard carbon steel.

  • Impact Toughness: Unlike brittle ceramic coatings, hardfacing maintains structural integrity under heavy impact loads.

2. Extended Service Life

  • 5-10x Longer Lifespan compared to untreated carbon steel flights in abrasive applications (e.g., sand, gravel, clinker, and slag).

  • Reduced Downtime: Minimizes maintenance frequency, lowering operational costs by up to 50% over standard flights.

3. Customizable Hardfacing Patterns

  • Single or Multi-Layer Welding: Options include open arc, submerged arc, or plasma-transferred arc (PTA) welding for optimal wear protection.

  • Pattern Variations: Chevron, diamond, or cross-hatch welding patterns to match material flow characteristics.

4. High-Temperature & Corrosion Resistance

  • Suitable for extreme environments (up to 600°C) without degradation.

  • Corrosion-resistant alloys available for chemical or wet material handling.

Technical Specifications

ParameterSpecification
Base MaterialQ235B, Q345B, SS304, SS316, Hardox 400/500 (Customizable)
Hardfacing MaterialChromium Carbide (CrC), Tungsten Carbide (WC), AR400/500
HardnessHRC 58-65 (Varies by alloy)
Thickness3-15mm (Customizable)
Welding ProcessSubmerged Arc Welding (SAW), PTA, MIG
Operating Temperature-40°C to 600°C (Higher grades available)
Impact ResistanceExcellent (ASTM E23)
Available Diameters150mm – 3000mm (Custom fabrication possible)

Applications

Mining & Aggregate Industry

  • Ore, gravel, and sand conveyors

  • Coal and mineral processing screws

  • Crushing plant feeders

Cement & Construction Materials

  • Clinker and raw meal screws

  • Fly ash and slag conveyors

  • Cement silo discharge systems

Power & Energy Sector

  • Coal-fired plant ash handling

  • Biomass and waste-to-energy conveyors

Steel & Foundry Applications

  • Slag and scrap metal conveyors

  • Burnt lime and sinter handling

Installation & Maintenance Advantages

  • Precision Machining: Laser-cut base flights ensure perfect fit and balance (≤0.3mm runout).

  • Field-Replaceable Segments: Modular designs allow easy replacement of worn sections.

  • Compatible with Existing Systems: Can be retrofitted onto standard screw conveyors.

Why Choose Jiahe’s Hardfaced Screw Flights?

Proven Durability: Over 500+ installations in harsh environments with documented 5-10x lifespan improvement.
Custom Engineering: Tailored hardfacing solutions based on material abrasiveness and flow rates.
Cost-Effective: ROI within 12-24 months due to reduced replacement frequency.
Quality Assurance: Ultrasonic testing (UT) and hardness verification for every batch.

For industries where abrasion, impact, and high temperatures destroy conventional screw flights, Jiahe’s Hardfaced Screw Flight delivers unmatched performance and longevity. Contact our engineering team for application-specific recommendations and performance guarantees.

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Precision helicoidal flight manufacturer: 24/7 engineering support at +86 400 990 1585 for bulk handling solutions.