The ESAB OK Tigrod 13.09 rods are copper-coated, low-alloy welding rods containing 0.5% molybdenum, specially designed for welding heat-resistant steels. Ideal for applications in boilers, piping, and pressure vessels operating up to 500°C, they offer high strength and reliability.

• High-temperature and pressure resistance: Perfect for power generation, petrochemical industries, and boiler construction.
• High formability: Ensures long-term performance.
• Improved mechanical properties: After post-weld heat treatment (PWHT), increasing durability in demanding environments.

Mechanical properties of the welded metal:

• According to EN (Ar - I1):
  • Yield strength: 490 MPa.
  • Tensile strength: 600 MPa.
  • Elongation: 30%.
• After post-weld heat treatment (620°C for 1 hour):
  • Yield strength: 450 MPa.
  • Tensile strength: 550 MPa.
  • Elongation: 31%.
• According to AWS (Ar - I1):
  • Yield strength: 520 MPa.
  • Tensile strength: 620 MPa.
  • Elongation: 27%.
• After post-weld heat treatment (620°C for 1 hour):
  • Yield strength: 510 MPa.
  • Tensile strength: 610 MPa.
  • Elongation: 28%.

Impact resistance properties (Charpy V-Notch):

• At 20°C: 180-190 J.
• At -20°C: 160-220 J.
• At -40°C: 90 J.
• At -60°C: 25 J.

Chemical composition of the weld metal:

• Major elements: 0.5% Mo – 1.1% Mn – 0.7% Si.
• Low carbon content (C = 0.1%) for reduced brittleness.
• Copper content (Cu = 0.2%) for improved corrosion resistance.

Certifications & Standards:

• EN ISO 636-A: W 46 2 2Mo.
• AWS A5.28: ER70S-A1 (ER80S-G).
• Approvals: CE, DB, DNV-GL, UKCA, VdTÜV.

The ESAB OK Tigrod 13.09 rods are the ideal choice for welding in high-temperature industrial environments, ensuring reliability and top-quality welds.