Exaton 25.20.L (GTAW)

Exaton 25.20.L is an austenitic stainless steel filler material designed for GTAW of grades such as UNS 31002 and EN 1.4335, ideal for heavy‑duty environments like chemical plant preheaters and condensers.

Key Features

• High corrosion‑resistant chemistry with increased Cr and Mo content
• Consistent wire quality and chemistry across batches
• Low‑moisture SAW flux packaging for reduced damage during handling
• Enables single‑layer weld overlays, reducing labor and cost

Specifications

• Classifications: EN ISO 14343‑A W Z 25 20 L, SFA/AWS A5.9 ER310 (mod), EN 10088‑1 1.4335
• Approvals: CE EN 13479, UKCA EN 13479
• Alloy Type: Austenitic – 24.5% Cr – 20.5% Ni – Low C
• Shielding Gas: I1 (EN ISO 14175)
• Tensile Properties (As Welded): Yield Strength 380 MPa, Tensile Strength 530 MPa, Elongation 38 %
• Charpy Impact (As Welded): 250 J at 20 °C, 200 J at –196 °C

Applications

• Stainless‑steel pipe welding in preheaters, coolers, and condensers
• Heavy‑duty chemical industry environments
• Situations requiring high corrosion resistance and single‑layer cladding