MIG Family

Diameters / Packaging

Diameters
33 LB SPOOL
33 LB SPOOL Buy America
44 LB SPOOL
0.035 IN ED033949,ED031415
0.045 IN ED031416 ED034432
0.052 IN ED036509

SuperArc® LA-75

MIG (GMAW) Wire

AWS: ER80S-Ni1

SuperArc® LA-75™ from Lincoln Electric is a premium copper coated, low alloy MIG wire certified to meet 80,000 psi (552 MPa) minimum tensile strength.

DETAILS

A premium copper coated, low alloy MIG wire certified to meet 80,000 psi (552 MPa) minimum tensile strength.

Features

  • Capable of producing weld deposits with 550 MPa (80 ksi) tensile strength
  • High toughness at low temperatures with a nominal 1% Ni or less
  • Microguard® Ultra provides superior feeding and arc stability
  • Supports short-circuiting, globular, axial spray and pulsed spray transfer

Typical Applications

  • ASTM A588 weathering steel requiring good atmospheric corrosion resistance
  • NACE applications

Welding Positions

  • All

Shielding Gas

  • Mixed Shielding Gas

Special Features

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BEFORE USE, READ AND UNDERSTAND THE SAFETY DATA SHEET (SDS) FOR THIS PRODUCT AND SPECIFIC INFORMATION PRINTED ON THE PRODUCT CONTAINER. SDS Search page

See test result disclaimer

CONFORMANCE

CONFORMANCES SPECIFICATION CLASSIFICATION
AWS AWS A5.28 ER80S-Ni1

MECHANICAL PROPERTIES

Classification Shielding Gas Polarity Yield Strength @ 0.2% Offset
MPa (ksi)
Tensile Strength
MPa (ksi)
Elongation
%
Charpy V-Notch
J (ft-lbs) @ -40°C (-40°F)
Charpy V-Notch
J (ft-lbs) @ -45°C (-50°F)
ER80S-Ni1 Requirement 1-5% O2, balance Ar DC+ 470 (68) min. 550 (80) min. 24 min. 27 (20) min.
Typical Result, As-welded 90% Ar, 10% CO2 DC+ 480 (69) 590-620 (85-89) 24 47-123 (34-91)
Typical Result, As-welded 95% Ar, 5% O2 DC+ 480 (70) 580 (84) 26 112-135 (83-99)
Typical Result, As-welded 98% Ar, 2% O2 DC+ 490 (71) 580-630 (85-91) 24 152-155 (112-114) 174-198 (129-146)

WIRE COMPOSITION

Classification %C %Cr %Mn %Mo %Ni %P %S %Si %V %Total Cu
ER80S-Ni1 Requirement 0.12 max. 0.15 max. 1.25 max. 0.35 max. 0.80 - 1.10 0.025 max. 0.025 max. 0.40 - 0.80 0.05 max. 0.35 max.
Typical Result 0.08-0.10 0.05 max. 0.94-1.04 0.02 max. 0.89-0.98 0.013 max. 0.010 max. 0.51-0.59 0.003 max. 0.27 max.

TYPICAL OPERATING PROCEDURES

Diameter Transfer Mode Shielding Gas Polarity CTWD
mm (in.)⁽¹⁾
Wire Feed Speed
m/min (in/min)
Voltage
volts
Approx. Current
amps
Melt-off Rate
kg/hr (lb/hr)
0.035 in (0.9 mm) Short Circuit Transfer 90% Ar, 10% CO2 DC+ 9-12 (3/8-1/2) 2.5 (100) 17 80 0.7 (1.6)
0.035 in (0.9 mm) Short Circuit Transfer 90% Ar, 10% CO2 DC+ 9-12 (3/8-1/2) 3.8 (150) 18 120 1.1 (2.4)
0.035 in (0.9 mm) Short Circuit Transfer 90% Ar, 10% CO2 DC+ 9-12 (3/8-1/2) 6.4 (250) 22 175 1.8 (4.0)
0.035 in (0.9 mm) Spray Transfer 90% Ar / 10% CO2 DC+ 12-19 (1/2-3/4) 9.5 (375) 23 195 2.7 (6.0)
0.035 in (0.9 mm) Spray Transfer 90% Ar / 10% CO2 DC+ 12-19 (1/2-3/4) 12.7 (500) 29 230 3.6 (8.0)
0.035 in (0.9 mm) Spray Transfer 90% Ar / 10% CO2 DC+ 12-19 (1/2-3/4) 15.2 (600) 30 275 4.4 (9.6)
0.045 in (1.1 mm) Short Circuit Transfer 90% Ar, 10% CO2 DC+ 12-19 (1/2-3/4) 3.2 (125) 19 145 1.5 (3.4)
0.045 in (1.1 mm) Short Circuit Transfer 90% Ar, 10% CO2 DC+ 12-19 (1/2-3/4) 3.8 (150) 20 165 1.8 (4.0)
0.045 in (1.1 mm) Short Circuit Transfer 90% Ar, 10% CO2 DC+ 12-19 (1/2-3/4) 5.1 (200) 21 200 2.4 (5.4)
0.045 in (1.1 mm) Spray Transfer 90% Ar / 10% CO2 DC+ 12-19 (1/2-3/4) 8.9 (350) 27 285 4.2 (9.2)
0.045 in (1.1 mm) Spray Transfer 90% Ar / 10% CO2 DC+ 12-19 (1/2-3/4) 12.1 (475) 30 335 5.7 (12.5)
0.045 in (1.1 mm) Spray Transfer 90% Ar / 10% CO2 DC+ 12-19 (1/2-3/4) 12.7 (500) 30 340 6.0 (13.2)

NOTES

Note
⁽¹⁾ To calculate ESO, subtract 1/4 in. (6.4 mm) from CTWD.