Diameters / Packaging

Diameters	33 lb Spool	33 lb Spool Buy America	44 lb Spool
0.035 in (0.9 mm)	ED033949,ED031415
0.045 in (1.1 mm)	ED031416	ED034432
0.052 in (1.3 mm)			ED036509

SuperArc® LA-75

MIG (GMAW)

CLASSIFICATIONS:
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.

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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

Shielding Gas

Mixed Shielding Gas

Disclaimers

Warning -

Cancer and Reproductive Harm -

www.P65Warnings.ca.gov

Service Information

Documentation

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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.