Welding Techniques, Gear, and Safety Essentials

Arc Weld Inc. TIG torch back-cap guide showing generic short, medium, and long back caps beside a TIG torch and tungsten electrode

TIG Torch Back Caps: Short vs. Medium vs. Long and How to Match Them

Match TIG torch back caps by torch series, part number, rear clearance, and tungsten length. Compare common short, medium, and long 2 Series and 3 Series options.

TIG Torch Back Caps: Short vs. Medium vs. Long and How to Match Them

Match TIG torch back caps by torch series, part number, rear clearance, and tungsten length. Compare common short, medium, and long 2 Series and 3 Series options.

Arc Weld Inc. guide to matching welding cable connectors, including generic Dinse-style, twist-lock, and adapter connector illustrations

Welding Cable Connectors: Dinse vs. Lenco LC-40 and How to Match Them

Match welding cable connectors by machine port, cable gauge, current rating, connector family, and TIG gas-through requirements before ordering parts.

Welding Cable Connectors: Dinse vs. Lenco LC-40 and How to Match Them

Match welding cable connectors by machine port, cable gauge, current rating, connector family, and TIG gas-through requirements before ordering parts.

Illustration of a thick steel T-joint and fillet weld beside the white AWI Arc Weld Inc. logo and the title Welding Thicker Steel.

Welding Thicker Steel: Joint Prep, Settings, and Multipass Basics

Thicker steel needs more than a larger bead. Review joint preparation, wire and gas selection, operating settings, multipass cleaning, and temperature control before you weld.

Welding Thicker Steel: Joint Prep, Settings, and Multipass Basics

Thicker steel needs more than a larger bead. Review joint preparation, wire and gas selection, operating settings, multipass cleaning, and temperature control before you weld.

Red welding magnet holding square steel tubing at a right-angle corner on a workbench, with a square and clamp nearby.

Welding Magnets: How to Keep Your Tack-Up Square

Keep your next steel frame square from dry fit to final weld. Learn where welding magnets help, what to measure before tacking, and when to remove them.

Welding Magnets: How to Keep Your Tack-Up Square

Keep your next steel frame square from dry fit to final weld. Learn where welding magnets help, what to measure before tacking, and when to remove them.

MIG gun beside a clean coiled replacement liner and a worn kinked liner section on a steel workbench.

MIG Gun Liner Problems: When to Clean or Replace It

Learn how to recognize a dirty, worn, or kinked MIG gun liner, rule out other wire-feed problems, and match the correct replacement to your gun and wire size.

MIG Gun Liner Problems: When to Clean or Replace It

Learn how to recognize a dirty, worn, or kinked MIG gun liner, rule out other wire-feed problems, and match the correct replacement to your gun and wire size.

TIG torch beside one clean pointed tungsten electrode and one dark contaminated electrode on a metal workbench with a dedicated grinder.

TIG Tungsten Contamination: When to Regrind or Replace

A practical TIG guide to spotting contaminated tungsten, removing the affected section, regrinding correctly, and knowing when replacement is the better choice.

TIG Tungsten Contamination: When to Regrind or Replace

A practical TIG guide to spotting contaminated tungsten, removing the affected section, regrinding correctly, and knowing when replacement is the better choice.