Selectarc D25/09W TIG Wire

Very low carbon content solid GTAW rod for joining Duplex and Super Duplex Stainless Steels (austenitic-ferritic microstructure). Resistant in chloride containing media against pitting corrosion as well as crevice and stress corrosion. Pitting index (PREN): > 40.

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Specification

Classification Weld metal composition (%)
AWS A5.9 ISO 14343-A C Si Mn Cr Mo W Ni N2 P S Fe
ER2594 W 25 9 4 N L G 25 9 4 N L 0.018 0.3 0.8 25.2 3.7 0.7 9.3 0.25 <0.03 <0.015 Balance

 

Classification Mechanical properties
AWS A5.9 ISO 14343-A Rp0.2 (MPa) Rm (MPa) A5 (%) KV (J)
ER2594 W 25 9 4 N L G 25 9 4 N L 730 900 25 +20 °C → 150 -40 °C → 120

Application

For pumps, vessels, piping systems etc. attacked by chloride containing solutions. But also for impellers and other components which require high strength combined with corrosion attack.

Specification

Classification Weld metal composition (%)
AWS A5.9 ISO 14343-A C Si Mn Cr Mo W Ni N2 P S Fe
ER2594 W 25 9 4 N L G 25 9 4 N L 0.018 0.3 0.8 25.2 3.7 0.7 9.3 0.25 <0.03 <0.015 Balance

 

Classification Mechanical properties
AWS A5.9 ISO 14343-A Rp0.2 (MPa) Rm (MPa) A5 (%) KV (J)
ER2594 W 25 9 4 N L G 25 9 4 N L 730 900 25 +20 °C → 150 -40 °C → 120

Application

For pumps, vessels, piping systems etc. attacked by chloride containing solutions. But also for impellers and other components which require high strength combined with corrosion attack.