About ER 490Ti Tig Wire

ER 490Ti TIG wire is a premium titanium alloy welding wire renowned for its exceptional strength, corrosion resistance, and weldability. With a high titanium content, it offers superior performance in aerospace, marine, and chemical processing applications. Its precise composition ensures clean, precise welds with minimal splatter and excellent mechanical properties.

ER 490Ti Tig Wire Chemical Compositions:

  1. Titanium (Ti): The primary constituent, providing strength and corrosion resistance.
  2. Aluminum (Al): Enhances strength and facilitates oxide film formation for improved weld quality.
  3. Iron (Fe): Contributes to the wire’s mechanical properties and weldability.
  4. Oxygen (O): Regulates the microstructure and mechanical properties of the weld.
  5. Nitrogen (N): Controls grain size and helps prevent embrittlement.
  6. Carbon (C): Affects hardness and strength, ensuring optimal weld performance.
  7. Hydrogen (H): Managed to prevent porosity and maintain weld integrity.
  8. Other Trace Elements: Including elements like vanadium, chromium, and nickel, influencing specific properties such as hardness, toughness, and resistance to corrosion.

ER 490Ti Tig Wire Physical Properties:

  1. Density: Approximately 4.5 g/cm³, making it lightweight.
  2. Melting Point: Around 1660°C (3020°F), ensuring stability at high temperatures.
  3. Tensile Strength: Exceeds 490 MPa, providing strong and durable welds.
  4. Elongation: 15-20%, allowing for flexibility without breaking.
  5. Thermal Conductivity: Moderate, ensuring even heat distribution during welding.
  6. Electrical Conductivity: Low, reducing risk of electrical issues.
  7. Corrosion Resistance: Excellent, ideal for marine and chemical environments.
  8. Hardness: High, offering resistance to wear and abrasion.

ER 490Ti Tig Wire Mechanical Properties:

  1. Tensile Strength: Over 490 MPa, ensuring strong welds.
  2. Yield Strength: Around 420 MPa, maintaining shape under stress.
  3. Elongation: 15-20%, providing flexibility and ductility.
  4. Hardness: High, offering resistance to wear and deformation.
  5. Impact Toughness: Good, withstanding sudden impacts.
  6. Fatigue Strength: High, enduring cyclic loads without failure.
  7. Modulus of Elasticity: Approximately 105 GPa, indicating moderate stiffness.
  8. Ductility: Good, allowing for easy shaping and welding.

ER 490Ti Tig Wire Applications:

  1. Aerospace: Welding aircraft and spacecraft components for high strength and lightweight.
  2. Marine: Shipbuilding and offshore structures due to excellent seawater resistance.
  3. Chemical Processing: Fabricating tanks, pipes, and reactors with high corrosion resistance.
  4. Automotive: Manufacturing lightweight, high-performance vehicle parts.
  5. Medical Devices: Making surgical instruments and implants with biocompatibility.
  6. Power Generation: Constructing heat exchangers and turbine parts for reliability.
  7. Oil and Gas: Building pipelines and drilling equipment with strong corrosion resistance.

These applications leverage the unique properties of ER 490Ti TIG wire to ensure performance, reliability, and longevity in various industries.