A&S WELDING SUPPLIES
Welding guides
Help choosing equipment, setting up and finding welding faults.
All guides
23 guides

Welding Duty Cycle Explained: Choosing the Right Welder
Compare duty cycle at the output you actually use, then check the process, supply and cooling requirements.
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Laser Welding Safety: Workshop Setup, PPE and Fume Control
Plan the controlled area, laser-rated protection, extraction and operator training before bringing a laser welder into service.
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Laser Welders in Australia: How to Choose a Fibre Laser Welder
Compare material, thickness, power, cooling, wire feed and support alongside the requirements of a controlled laser work area.
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UNIMIG ENVY OMNI 220 AC/DC: Features and Buying Checks
Explore the MIG, AC/DC TIG, stick and plasma functions, and decide whether one machine fits the work your workshop does.
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Best Beginner Welder Australia 2026: MIG, TIG or Multi-Process?
Choose around your first projects, material and available power, then compare the functions each machine actually includes.
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Choosing a Welding Helmet: A Practical Buying Checklist
Start with suitable protection and shade selection, then compare visibility, fit, controls and replacement parts.
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Weld Porosity: Causes, Prevention and Troubleshooting
Check surface preparation, dry consumables, shielding gas and torch setup when pinholes appear in a weld.
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What Is TIG Welding? Setup, Consumables and Technique
Work through tungsten selection, torch assembly, gas, machine settings and technique, with the original instructional diagrams.
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What Is MIG Welding? Setup, Wire Feed and Technique
Follow the setup from gas and polarity through drive rollers, liner, wire feed and travel technique.
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Weld Defects: 12 Common Problems and How to Troubleshoot Them
Find the symptom first, then work through its likely causes and the checks that can help prevent it.
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TIG Collet Body vs Gas Lens: Differences and Selection
Compare how a conventional collet body and a gas lens distribute shielding gas, then check torch and tungsten compatibility.
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How to Change a MIG Torch Liner: Steel and Teflon Liners
Match the liner to the wire and torch, keep the lead straight, and follow the illustrated replacement sequence.
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Welding Helmet Features Explained: Lenses, Fit and PAPR
Understand passive and auto-darkening lenses, optical clarity, shade controls, fit and respiratory protection.
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What Is Stick (MMA) Welding? The Basics for Beginners
Understand the circuit, flux-coated electrode, current and polarity before comparing common uses and limitations.
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MIG Wire Feeding Problems: A Step-by-Step Troubleshooting Guide
Check the spool, rollers, liner, contact tip and torch in sequence before assuming an electrical fault.
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MIG Metal Transfer Modes: Short Circuit, Globular, Spray and Pulse
Compare the transfer modes, their typical applications and the equipment and shielding-gas choices that affect them.
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TIG Tungsten Selection: Types, Colour Codes and Applications
Compare the electrode types and colour codes, then match the tungsten to the machine, current and material.
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Oxy-Acetylene vs Plasma Cutting: Which Process Fits the Job?
Compare the material, thickness, power supply, gas requirements and portability of the two cutting processes.
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Spool Gun vs Push-Pull Gun: Choosing for Aluminium MIG
Compare the short feed path of an onboard spool with a coordinated push-pull feeder for longer aluminium welding runs.
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How to Weld Aluminium: MIG, TIG and Troubleshooting
Start with alloy identification and preparation, then work through the MIG or TIG setup and common troubleshooting checks.
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What Is Plasma Cutting? Setup, Consumables and Cut Quality
Understand the torch and consumables, then compare air supply, settings, travel speed and cut quality.
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How to Choose a Plasma Cutter: Capacity, Air Supply and Torches
Compare clean-cut capacity, severance, power, air demand and torch compatibility for the material you cut most often.
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Stick Welding Guide: Electrodes, Setup and Technique
Choose the electrode and polarity, prepare the joint, then practise arc length, travel and slag removal.
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