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TIG Wires

SUPERLINK TIG-310

AWS A5.9: ER310 EN ISO 14343-A: W 25 20

A precision-drawn, bright-annealed solid TIG wire for GTAW welding. ER310 type. Produces clean, smooth weld deposits with excellent positional welding characteristics. Suitable for all-position GTAW including root passes. Use pure Argon shielding gas.

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Technical specifications

Weld metal analysis, %
C Cr Ni Mn Si
≤0.15% 25.0–28.0% 20.0–22.5% 1.0–2.5% 0.65–1.0%
Mechanical properties
Tensile strength ≥600 MPa
Yield strength ≥390 MPa
Elongation ≥25%
Sizes and current ranges
Diameter
1.6 mm
2.0 mm
2.4 mm
3.2 mm

Welding procedure & parameters

DCEN (electrode negative — tungsten positive). Shielding gas: 100% Argon. Back purge with Ar for root passes on pipe. Wire dia: 1.6, 2.0, 2.4, 3.2mm. Current: 50–180A depending on dia and position.

Typical applications

GTAW of 310 SS furnace parts, kiln equipment, high-temperature service to 1050°C.

Storage & handling notes

Do not touch wire surface with bare hands — contamination causes porosity. Store sealed in original packaging. Pure Argon only — no CO₂ or He unless specified.