OK Tigrod 2209

OK Tigrod 2209 is a corrosion‑resisting duplex welding rod designed for austenitic‑ferritic stainless steel alloys (22% Cr, 5% Ni, 3% Mo). It offers high general corrosion resistance and excellent resistance to pitting, intergranular and stress corrosion in chloride and hydrogen‑sulphide environments.

Key Features

• Duplex (austenitic‑ferritic) composition 22.5 % Cr – 8 % Ni – 3 % Mo, low carbon
• Suitable for shielding gases I1, I2, I3, N2 (EN ISO 14175)
• High resistance to pitting, intergranular and stress corrosion
• Certified to EN ISO 14343‑A, SFA/AWS A5.9 (ER2209)
• Available in multiple diameters and lengths (1.6‑3.2 mm, 500‑1000 mm)

Specifications

• Classifications: EN ISO 14343‑A : W 22 9 3 N L, SFA/AWS A5.9 : ER2209
• Approvals: CE EN 13479, DNV‑GL (2.0‑4.0 mm), UKCA EN 13479, VdTÜV (1.2‑3.2 mm)
• Alloy Type: Austenitic‑ferritic (22.5 % Cr – 8 % Ni – 3 % Mo – Low C)
• Shielding Gas: I1, I2, I3, N2 (EN ISO 14175)
• Typical Composition %: C 0.01, Mn 1.5, Si 0.5, S 0.002, P 0.015, Ni 8.5, Cr 22.7, Mo 3.2, Cu 0.1, N 0.17

Applications

• Chemical processing equipment
• Oil & gas pipelines and offshore structures
• Marine and desalination plants
• Power generation and petrochemical facilities
• Any service requiring high resistance to chloride‑induced corrosion