What diameter is the CK Worldwide - Tungsten .040″ x 0.9″ 2% Ceriated (20° Angle, Pkg 5) - T0409S20GC2 available in, and how do I choose the right size?

The CK Worldwide - Tungsten .040″ x 0.9″ 2% Ceriated (20° Angle, Pkg 5) - T0409S20GC2 is available in .040 diameter. Rod diameter selection depends on the base metal thickness and the amperage being used: 1/16 in (1.6 mm) rods suit light gauge up to 3/16 in at 60–130A; 3/32 in (2.4 mm) rods cover 3/16 in–1/2 in material; 1/8 in (3.2 mm) rods are used for heavier sections at 130–250A+. As a general rule, rod diameter should be close to or slightly smaller than base metal thickness.

What shielding gas should I use with the CK Worldwide - Tungsten .040″ x 0.9″ 2% Ceriated (20° Angle, Pkg 5) - T0409S20GC2?

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 CK Worldwide - Tungsten .040″ x 0.9″ 2% Ceriated (20° Angle, Pkg 5) - T0409S20GC2?

TIG filler rods carry an AWS classification (e.g., ER70S-2 for mild steel, ER308L for 304 stainless, ER4043 for aluminum) that specifies the chemical composition and mechanical properties of the deposited weld metal. Always verify the AWS class when writing or qualifying a Welding Procedure Specification (WPS) for code work.

CK Worldwide - Tungsten .040″ x 0.9″ 2% Ceriated (20° Angle, Pkg 5) - T0409S20GC2

Q: What is the CK Worldwide - Tungsten .040″ x 0.9″ 2% Ceriated (20° Angle, Pkg 5) - T0409S20GC2 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: How should I store the CK Worldwide - Tungsten .040″ x 0.9″ 2% Ceriated (20° Angle, Pkg 5) - T0409S20GC2 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: T0409S20GC2

$66.99 ~~$72.80~~

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Overview

Designed for precision TIG welding applications, this CK Worldwide .040″ 2% ceriated tungsten electrode comes pre-ground at a 20° angle and is sold in convenient 5-piece packs. The factory-ground tip ensures consistent arc starts and saves preparation time at the bench.

2% ceriated tungsten (gray) is a versatile electrode designed for both AC and DC TIG welding. It performs exceptionally well at low amperages, providing easy arc starts and stable performance for precision and thin-material work.

Manufactured to CK Worldwide’s high quality standards, these 0.9″ electrodes provide dependable performance for both professional welders and precision fabrication environments. Each package contains 5 pre-ground 0.9″ stubs ready for immediate use.

Key Features:

Diameter: .040″
Length: 0.9″
Type: 2% Ceriated (Gray)
Pre-ground 20° angle tip for immediate use
Sold in packages of 5
Excellent for low-amperage AC/DC TIG welding on carbon steel, stainless, nickel alloys, and titanium

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Product Overview

Key Features:

Diameter: .040″
Length: 0.9″
Type: 2% Ceriated (Gray)
Pre-ground 20° angle tip for immediate use
Sold in packages of 5
Excellent for low-amperage AC/DC TIG welding on carbon steel, stainless, nickel alloys, and titanium