Lincoln Electric SuperArc ED034468 TIG Rod 0.045" – 2 lb

Q: What is the Lincoln ED034468 SuperArc Orbital TIG ER90S-B3 TIG GTAW Wire, 0.045 in, 4 2 lb Plastic Spools 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 ED034468 SuperArc Orbital TIG ER90S-B3 TIG GTAW Wire, 0.045 in, 4 2 lb Plastic Spools 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.

Q: What shielding gas should I use with the Lincoln ED034468 SuperArc Orbital TIG ER90S-B3 TIG GTAW Wire, 0.045 in, 4 2 lb Plastic Spools?

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.

Q: What is the AWS classification of the Lincoln ED034468 SuperArc Orbital TIG ER90S-B3 TIG GTAW Wire, 0.045 in, 4 2 lb Plastic Spools?

The Lincoln ED034468 SuperArc Orbital TIG ER90S-B3 TIG GTAW Wire, 0.045 in, 4 2 lb Plastic Spools carries AWS ER90S-B3 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).

Q: How should I store the Lincoln ED034468 SuperArc Orbital TIG ER90S-B3 TIG GTAW Wire, 0.045 in, 4 2 lb Plastic Spools to maintain weld quality?

TIG filler rods are typically sold in 36 in lengths in 1 lb, 5 lb, 10 lb, and 25 lb tubes. Store rods in their original sealed tubes in a dry location. Stainless and nickel alloy rods are particularly moisture-sensitive — exposure to humidity can introduce hydrogen and cause porosity or cracking. Never leave opened rod tubes exposed to damp air.

SKU: ED034468

$145.81 ~~$179.36~~

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B3 alloyed steel designed for prolonged elevated temperature service up to 600°C (1112°F) and corrosion resistance

AWS / Classification: ER90S-B3

Overview

Lincoln ED034468 SuperArc Orbital TIG ER90S-B3 TIG GTAW Wire, 0.045 in, 4 2 lb Plastic Spools

Low Alloy Steel • AWS A5.28 ER90S-B3

Features

B3 alloyed steel: 2.25% chromium, 1% molybdenum alloyed steel consumable designed for prolonged elevated temperature service up to 600°C (1112°F)
Excellent corrosion resistance in refineries to sulfur bearing crude oil at 250°C-450°C (482°F-842°F)
Capable of exceeding AWS minimum requirement of 6200 MPa (90 ksi) tensile strength after 8 hours of stress relieving at 690°
Weld metal chemistry is low in impurity elements allowing it to respect the X Factor (<15ppm) and J-factor (<120ppm)

Specifications

Feature	Value
Classification	%C%Cr%Mn%Mo%Ni%P%S%Si%Total Cu
Typical Result	0.09-0.102.40-2.450.56-0.580.99-1.040.03-0.040.0050.0040.53-0.540.21-0.22
Classification	Shielding GasPolarityYield Strength @ 0.2% Offset, MPa (ksi)Tensile Strength, MPa (ksi)Elongation, %
Typical Result, 1 hour @ 690°C (1275°F)	100% ArDC-570 (82)680-730 (99-106)23
LECO Diameter	0.045 in (1.1 mm)
LECO Package	(4) 2 lb Plastic Spool
Diameter (in)	0.045

Includes

(4) 2 lb Plastic Spool

Reviews

Q&A

Product Overview

Lincoln ED034468 SuperArc Orbital TIG ER90S-B3 TIG GTAW Wire, 0.045 in, 4 2 lb Plastic Spools

Low Alloy Steel • AWS A5.28 ER90S-B3

Features

B3 alloyed steel: 2.25% chromium, 1% molybdenum alloyed steel consumable designed for prolonged elevated temperature service up to 600°C (1112°F)
Excellent corrosion resistance in refineries to sulfur bearing crude oil at 250°C-450°C (482°F-842°F)
Capable of exceeding AWS minimum requirement of 6200 MPa (90 ksi) tensile strength after 8 hours of stress relieving at 690°
Weld metal chemistry is low in impurity elements allowing it to respect the X Factor (<15ppm) and J-factor (<120ppm)

Specifications

Feature	Value
Classification	%C%Cr%Mn%Mo%Ni%P%S%Si%Total Cu
Typical Result	0.09-0.102.40-2.450.56-0.580.99-1.040.03-0.040.0050.0040.53-0.540.21-0.22
Classification	Shielding GasPolarityYield Strength @ 0.2% Offset, MPa (ksi)Tensile Strength, MPa (ksi)Elongation, %
Typical Result, 1 hour @ 690°C (1275°F)	100% ArDC-570 (82)680-730 (99-106)23
LECO Diameter	0.045 in (1.1 mm)
LECO Package	(4) 2 lb Plastic Spool
Diameter (in)	0.045

Lincoln Electric SuperArc ED034468 TIG Rod 0.045" – 2 lb

Product Overview

Lincoln ED034468 SuperArc Orbital TIG ER90S-B3 TIG GTAW Wire, 0.045 in, 4 2 lb Plastic Spools

Features

Specifications

Product Reviews

Questions & Answers