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Washington Alloy
Mild Steel 70S-2 GMAW

ER70S-2 is a multiple deoxidized wire containing small amounts of zirconium, titanium and aluminum in addition to the manganese and silicon deoxidizers characteristic of the steel wire group. This wire may be used for MIG or TIG welding on all grades of mild and carbon steels, producing superior quality welds with minimal porosity even
over rust and mill scale. ER70S-2 is popular for out of position welding with small diameter wires utilizing the short-circuiting arc type transfer. MIG welding may he accomplished using CO2, Argon-Oxygen mixtures or mixtures of the two.


TYPICAL CHEMISTRY:
Carbon 0.05                          Manganese 1.25
Aluminum .100                     Zirconium  .090
Silicon 0.50                           Titanium  0.100
Phosphorus 0.012                Sulfur 0.012
Copper Coating .5 Max

Typical Properties:

Tensile Strength (psi)        83,000
Yield Strength (psi)            71,000
Elongation in 2”                  27%
Charpy V-notch at -20°F   30 ft·lbs
Reduction of area                58%
Average Brinell Hardness    140

Power: DCEP Short Circuit
Shielding gas: 98% Argon / 2% Oxygen OR 85% Argon / 15% C02
SPECIFICATIONS: AWS A5.18, ASME SFA 5.18

Wire SizeWire Speed (IPM) Amps Volts Travel Speed (IPM)
Gas Flow (CFH)
.02380-35030-8514-1910-15 20-25
.030110-340 40-13015-2012-24 20-25
.035100-520 60-235 16-2511-4020-30
.04570-27090-29018-2312-2225-35

Power: DCEP Spray Arc
Shielding gas: 98% Argon / 2% Oxygen
SPECIFICATIONS: AWS A5.18, ASME SFA 5.18

Wire SizeWire Speed (IPM) Amps Volts Travel Speed (IPM)Gas Flow (CFH)
.035360-600180-28023-3011-2225-35
.045170-550170-37523-2912-2125-35
.052170-480220-42524-3010-2025-35
1/16175-350275-47525-319-1925-35

70S-2 Carbon Steel .023 Soild Wire

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70S-2 .023 x 2 LB - 4" Spool

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70S-2 .023 x 11 LB - 8" Spool

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70S-2 .023 x 33 LB Spool - 12" Spool

70S-2 Carbon Steel .030 Soild Wire

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70S-2 .030 x 2 LB - 4" Spool

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70S-2 .030 x 11 LB - 8" Spool

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70S-2 .030 x 33 LB - 12" Spool

70S-2 Carbon Steel .035 Soild Wire

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70S-2 .035 x 2 LB - 4" Spool

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70S-2 .035 x 11 LB - 8" Spool

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70S-2 .035 x 33 LB - 12" Spool

70S-2 Carbon Steel .045 Soild Wire

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70S-2 .045 x 2 LB - 4" Spool

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70S-2 .045 x 11 LB - 8" Spool

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70S-2 .045 x 33 LB - 12" Spool

70S-2 Carbon Steel 1/16" Soild Wire

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70S-2 1/16" x 2 LB - 4" Spool

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70S-2 1/16" x 2 LB - 8" Spool

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70S-2 1/16" x 33 LB - 12" Spool

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