About 409Ti Sub Arc Wire

409Ti is a type of sub arc welding wire known for its high-temperature resistance and corrosion properties. Composed primarily of titanium and stabilized with niobium, it excels in welding applications for heat-resistant alloys, particularly in chemical processing equipment and exhaust systems. Its stable arc and low spatter make it a preferred choice for precision welding.

409Ti Sub Arc Wire Chemical Compositions:

The chemical compositions of 409Ti sub arc wire typically includes:

  1. Titanium (Ti): 0.8-1.1%
  2. Carbon (C): 0.03% max
  3. Manganese (Mn): 1.00% max
  4. Silicon (Si): 1.00% max
  5. Phosphorus (P): 0.04% max
  6. Sulfur (S): 0.03% max
  7. Chromium (Cr): 10.5-12.5%
  8. Nickel (Ni): 0.5-1.0%
  9. Nitrogen (N): 0.03% max
  10. Copper (Cu): 0.50% max
  11. Niobium (Nb): 0.60-0.85%
  12. Iron (Fe): Balance

409Ti Sub Arc Wire Physical Properties:

  1. Density: Typically around 7.7 g/cm³ due to the presence of titanium, chromium, and iron.
  2. Tensile Strength: Ranges between 380-480 MPa, owing to the alloying elements like chromium and nickel.
  3. Elongation: Approximately 20-30%, indicating its ductility, influenced by carbon, manganese, and silicon.
  4. Melting Point: Varies depending on the exact composition, typically above 1450°C due to the high-chromium content.
  5. Hardness: Generally between 150-200 HV, affected by chromium, nickel, and carbon content.
  6. Thermal Conductivity: Moderate, around 25-30 W/m·K, influenced by titanium, chromium, and nickel.

409Ti Sub Arc Wire Mechanical Properties:

The mechanical properties of 409Ti sub arc wire, influenced by its composition, include:

  1. Yield Strength: Typically ranges from 220-280 MPa, governed by the presence of titanium, chromium, and nickel.
  2. Ultimate Tensile Strength: Generally between 380-480 MPa due to alloying elements like chromium and nickel.
  3. Elongation: Approximately 20-30%, indicating its ductility, influenced by carbon, manganese, and silicon content.
  4. Hardness: Typically between 150-200 HV, influenced by the alloying elements chromium, nickel, and carbon.
  5. Impact Toughness: Typically good, thanks to the balanced composition including elements like niobium and manganese.

409Ti Sub Arc Wire Applications.

409Ti sub arc wire finds applications in various industries, including:

  1. Automotive: Used for welding exhaust systems, mufflers, and catalytic converters due to its high-temperature resistance and corrosion properties.
  2. Chemical Processing: Ideal for welding chemical processing equipment, reactors, and vessels, where resistance to corrosive environments is crucial.
  3. Power Generation: Employed in the fabrication of boilers, heat exchangers, and combustion chambers for power plants due to its heat-resistant properties.
  4. Oil and Gas: Used in welding pipelines, refinery equipment, and offshore platforms where corrosion resistance and durability are essential.
  5. Aerospace: Applied in the fabrication of aircraft components, particularly those exposed to high temperatures and aggressive environments.
  6. General Fabrication: Utilized in various fabrication projects requiring welds resistant to high temperatures, corrosion, and oxidation.