ESAB OK Tigrod 13.09 rods are copper-coated low-alloy rods with 0.5% Mo, designed for welding heat-resistant steels. Ideal for applications in boilers, piping, and pressure vessels operating up to 500°C.

• High-temperature and pressure resistance, suitable for power generation, petrochemical, and boiler manufacturing industries.
• High formability and resistance to thermal stresses, ensuring long-term performance.
• Improved mechanical properties after heat treatment (PWHT), increasing durability.

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 toughness 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

Weld metal chemical composition:

• Main elements: 0.5% Mo – 1.1% Mn – 0.7% Si
• Low carbon content (C = 0.1%) for reduced brittleness
• Contains copper (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