Weldmonger Store  |  SKU: WA-ER70S2-045X36 - 1LB

Washington Alloy ER 70S-2 Mild Steel TIG Welding Wire

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Descripción

Washington Alloy ER 70S-2 TIG Welding Wire

AWS A5.18 ER70S-2
ASME SFA 5.18 ER70S-2

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.

Applications:

Pipes, offshore drilling rigs, structural steel work, etc.

TYPICAL WIRE CHEMISTRY (%)

-

ER70S-2

AWS Spec

C

0.050

0.07 max.

Mn

1.250

0.90-1.40

Si

0.500

0.40-0.70

P

0.012

0.025 max

S

0.012

0.035 max

Al

0.100

0.05-0.15

Zr

0.090

0.02-0.12

Ti

0.100

0.05-0.15

Typical mechanical properties of weld metal (C02 shielding gas)

-

AWS Spec

ER70S-2

Yield strength (psi)

58,000 min

71,000

Ultimate tensile strength (psi)

70,000 min

83,000

Elongation in 2" (%)

22 min

27.5

Charpy V-notch at 0 F (ft. lbs)

20 min

30

Reduction of area

-

58

Average Brinell Hardness

-

140

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