Weldporn® ER70S-2 Filler Rod

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ER70S-2 is a premium TIG wire for welding on all grades of mild and carbon steels, producing quality welds with minimal porosity. It is a triple deoxidized wire (Zirconium, Titanium, and Aluminum) making it an excellent choice for welding over rust and mill scale. No flux is required
with this product.

Rod Dimensions

half kilo pack (.450 gram pack) 2.4mm diameter x 450mm long.

AWS Specification
AWS A5.18/A5.18M:2007
AWS Classification ER70S-2

Welding Current for MIG process
DCEP (Electrode Positive, Reverse Polarity)

Typical Wire Chemistry
C 0.07
Mn 0.90 – 1.40
Si 0.40 – 0.70
P 0.025
S 0.035
Ni 0.15
Cr 0.15
Mo 0.15
V 0.03
Cu 0.50
Ti 0.05 – 0.15
Zr 0.02 – 0.12
Al 0.05 – 0.15

Typical Mechanical Properties
(As Welded)
Yield Strength, ksi 71
Tensile Strength, ksi 79
Elongation%, min 29%

Welding Positions


Available Diameters TIG


Click here to view MSDS (PDF)