TIG Wires

SUPERLINK TIG 70 S2

Name: SUPERLINK TIG 70 S2
Brand: DEPL

AWS A5.18: ER70S-2 EN ISO 14341-A: W 46 3 W2Si

A triple-deoxidised solid TIG wire with Al, Ti, and Zr additions in addition to standard Mn and Si, for welding mild and medium carbon steel. Excellent for welding on killed, semi-killed, and rimmed steels. Superior porosity resistance. Produces clean, smooth welds on pipe root passes. Argon shielding.

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Weld metal analysis, %
C	Mn	Si	Ti	Zr	Al
0.06–0.15%	0.90–1.40%	0.40–0.70%	0.05–0.15%	0.02–0.12%	0.05–0.15%

Mechanical properties
Tensile strength	≥500 MPa
Yield strength	≥415 MPa
Elongation	≥22%
Impact (CVN)	≥70J @ −30°C

Sizes and current ranges
Diameter
1.6mm
2.0mm
2.4mm
3.2mm

Welding procedure & parameters

DCEN (electrode negative). Shielding gas: 100% Argon. Back purge with Ar for pipe root passes. Preheat per base metal specification. Wire dia: 1.6, 2.0, 2.4, 3.2mm.

Typical applications

GTAW of mild and medium carbon steel pipe roots (API 5L), pressure vessels, boilers, high-purity welds, aerospace-grade mild steel fabrication. Preferred over ER70S-6 where porosity risk is high.