KUNWU ER70S-2 Premium Mild Steel TIG Welding Filler Rods 5/32" x 40"

Primarily used for single-pass welding of killed, semi-killed, and rimmed steels,
Because of the added deoxidants, these filler metals can be used for welding steels that have a rusty or dirty surface

500 MPa level carbon steel filler metal, can be used in the welding of carbon steel and low alloy steel in the corresponding strength grade, which can be used in engineering machinery, ship, vehicle manufacturing, petrochemical and other industries

Straight length of 36 inch packaged in a PVC tube (Random Color), 1, 2, 5, 10 Lbs-Pack can be shoosed

Welding Positions: All Positions

PLEASE NOTE: Due to Long distance delivery, 2~6 weeks of shipping time will be needed.


Description of ER70S-2
ER70S-2 [ER48S-2]. Electrodes and rods of the ER70S-2 [ER48S-2] classification are primarily used for single-pass welding of killed, semi-killed, and rimmed steels, but may be used for some multipass applications. Because of the added deoxidants, these filler metals can be used for welding steels that have a rusty or dirty surface,
with a possible sacrifice of weld quality depending on the condition of the surface. ER70S-2 [ER48S-2] filler metals are used extensively to produce high quality, high toughness welds with the GTAW process. These filler metals are also well suited for use in single side, melt through welding without a protective root shielding gas on the
backside of the joint. Typical specifications for these steels are ASTM A 36, A 285-C, A 515-55, and A 516-70, which have UNS numbers K02600, K02801, K02001, and
K02700, respectively.


Chemical Analysis
Carbon (Maximum) 0.07 ( Average: 0.09 )
Manganese 0.90-1.40 ( Average: 1.10 )
Silicon 0.40-0.70 ( Average: 0.60 )
Nickel (Maximum) 0.15 ( Average: 0.01 )
Chromium (Maximum) 0.15 ( Average: 0.01 )
Molybdenum (Maximum) 0.15 ( Average: 0.01 )
Copper (Maximum) 0.50 ( Average: 0.02 )
Phosphorus (Maximum) 0.025 ( Average: 0.010 )
Sulfur (Maximum) 0.035 ( Average: 0.010 )
Titanium 0.05-0.15 ( Average: 0.10 )
Zirconium 0.02-0.12 ( Average: 0.08 )
Aluminium 0.05-0.15 ( Average: 0.10 )