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CuSn8P Thermal Spray Wire | High-Tin Phosphor Bronze Wire for Superior Wear & Corrosion Protection

Short Description:

CuSn8P thermal spray wire is a high-tin phosphor bronze alloy wire containing approximately 8% tin and phosphorus, specifically designed for thermal spraying to produce dense, highly wear-resistant coatings with excellent corrosion resistance. Compared with CuSn6P, CuSn8P offers significantly higher hardness, superior mechanical strength, and enhanced resistance to fatigue and galling, making it ideal for demanding industrial applications where maximum durability is required. It is suitable for both arc spray and flame spray processes, delivering uniform coatings with strong adhesion for critical surface protection and dimensional restoration.


  • Product: CuSn8P Thermal Spray Wire
  • Alloy: Phosphor Bronze (High-Tin)
  • Diameter: 1.6 mm / 2.0 mm / 2.5 mm / 3.0 mm (customizable)
  • Process: Arc Spray / Flame Spray
  • Coating Thickness: 50 – 2000 μm (customizable)
  • Melting Range: Approx. 900 – 1050°C
  • Surface Finish: Bright / copper-coated optional
  • Packing: Spool / Coil / Drum
  • Product Detail

    FAQ

    Product Tags

    Product Description

    CuSn8P thermal spray wire is a high-tin phosphor bronze alloy wire containing approximately 8% tin and phosphorus, specifically designed for thermal spraying to produce dense, highly wear-resistant coatings with excellent corrosion resistance. Compared with CuSn6P, CuSn8P offers significantly higher hardness, superior mechanical strength, and enhanced resistance to fatigue and galling, making it ideal for demanding industrial applications where maximum durability is required. It is suitable for both arc spray and flame spray processes, delivering uniform coatings with strong adhesion for critical surface protection and dimensional restoration.

    Key Features

    • High-tin phosphor bronze alloy (CuSn8P) with superior wear resistance
    • Excellent corrosion resistance in marine and industrial environments
    • Higher hardness and tensile strength than standard bronze alloys
    • Strong adhesion and uniform coating structure
    • Suitable for arc spray and flame spray processes
    • Stable wire feeding and consistent coating quality

    Typical Chemical Composition (Approx.)

    Element Cu Sn P Others
    wt.% Balance 7.5 – 8.5 0.01 – 0.4 ≤ 0.5

    Typical Specifications

    Item Specification
    Product CuSn8P Thermal Spray Wire
    Alloy Phosphor Bronze (High-Tin)
    Diameter 1.6 mm / 2.0 mm / 2.5 mm / 3.0 mm (customizable)
    Process Arc Spray / Flame Spray
    Coating Thickness 50 – 2000 μm (customizable)
    Melting Range Approx. 900 – 1050°C
    Surface Finish Bright / copper-coated optional
    Packing Spool / Coil / Drum
    MOQ Negotiable

    Applications

    • High-load bearing seats and sliding surfaces
    • Shafts and journals in heavy machinery
    • Valve parts and pump components
    • Anti-corrosion coatings for steel parts
    • Surface rebuilding and dimensional restoration
    • Electrical contacts and connectors

    Advantages

    • Better wear resistance and hardness than CuSn6P
    • Excellent corrosion resistance with higher mechanical strength
    • Good electrical conductivity and thermal properties
    • Easy spraying with stable wire feeding
    • Customizable diameter and packaging
    • Stable quality with fast delivery

    Supply & Delivery

    • Supply Capacity:​ 5,000 – 10,000 kg per month (adjustable based on order)
    • Lead Time:​ 10–25 days depending on specifications and quantity
    • Packing:​ Standard export packing in cartons or wooden crates; custom packaging available upon request

    One-Line Inquiry Pitch

    Please advise your spraying process (arc or flame), wire diameter, coating thickness, and application. We will recommend the suitable CuSn8P thermal spray wire for your project


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