What shielding gas should I use with the Lincoln MG625062693 Techalloy 625 MIG (GMAW) Wire, 1/16 in, 300 lb Speed Feed Reel?

TIG welding shielding gas selection: use pure argon (99.995% purity) for most TIG applications including steel, stainless, aluminum, and titanium. Helium additions (25–75% He/Ar mix) increase heat input and travel speed for heavy section work and aluminum welding where higher deposition is needed. Never use CO2 or mixed gases designed for MIG welding in TIG torches.

What is the AWS classification of the Lincoln MG625062693 Techalloy 625 MIG (GMAW) Wire, 1/16 in, 300 lb Speed Feed Reel?

The Lincoln MG625062693 Techalloy 625 MIG (GMAW) Wire, 1/16 in, 300 lb Speed Feed Reel carries AWS ERNiCrMo-3 classification, confirming it meets the American Welding Society's chemical composition and mechanical property requirements for that filler metal category. The AWS classification appears on the rod tube label and verifies the rod's chemistry for code-compliance welding procedures (WPS/PQR).

Lincoln MG625062693 Techalloy 625 MIG (GMAW) Wire, 1/16 in, 300 lb Speed Feed Reel

Q: What is the Lincoln MG625062693 Techalloy 625 MIG (GMAW) Wire, 1/16 in, 300 lb Speed Feed Reel used for?

TIG (GTAW) filler rods are used in the gas tungsten arc welding process, where the welder manually feeds the rod into the weld pool while maintaining the arc with the torch. TIG welding produces the highest quality, lowest spatter welds and is the process of choice for precision work on stainless, aluminum, titanium, and exotic alloys.

Q: What diameter is the Lincoln MG625062693 Techalloy 625 MIG (GMAW) Wire, 1/16 in, 300 lb Speed Feed Reel available in, and how do I choose the right size?

TIG filler rod diameter selection: match the rod diameter approximately to the base metal thickness. 1/16 in (1.6 mm) for thin sheet, 3/32 in (2.4 mm) for medium gauge, 1/8 in (3.2 mm) for heavy plate. Using a rod that is too large requires excessive heat to melt the rod and can cause overheating of thin base metal.

SKU: MG625062693

$49,440.00

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Features

• Designed to match the composition and properties of Alloy 629
• The Ni-Cr-Mo alloy system provides excellent resistance to oxidizing and reducing environments
• The high molybdenum content provides good stress, pitting and crevice corrosion resistance
• Most popular nickel alloy for cladding
• Provides high temperature strength and structural stability
• Q2 Lot Certificate showing actual wire composition available online

Specifications

Feature	Value
CONFORMANCES	SPECIFICATIONCLASSIFICATION
AWS	AWS A5.14ERNiCrMo-3
CWB	AWS A5.14ERNiCrMo-3
MIL	MIL-E-21562EEN625
Classification	%Al%C%Cr%Cu%Fe%Mn%Mo%P%S%Si%Ti%Nb+Ta%Ni+Co
ERNiCrMo-3 Requirement	0.40 max.0.10 max.20.0 - 23.00.50 max.5.0 max.0.50 max.8.0 - 10.00.02 max.0.015 max.0.50 max.0.40 max.3.15 - 4.1558.0 min.
Typical Result	0.100.0122.20.010.30.018.80.003 max.0.003 max.0.060.213.4764.8
Diameter	Shielding GasPolarityVoltage, voltsApprox. Current, amps
.035" (0.9 mm)	75% Ar, 25% HeDC+26-29160-190
.045" (1.1 mm)	75% Ar, 25% HeDC+28-32180-220
1/16" (1.6 mm)	75% Ar, 25% HeDC+29-33200-250
LECO Diameter	1/16 in (1.6 mm)
LECO Package	300 lb Speed Feed® Reel
Diameter (in)	1/16

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