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SIF Oxy Fuel Rods

3.0mm 555 Aluminium Solder Self Fluxing Rod 2.5kg

SKU RO553225 · 555

Self fluxing solder for use on Aluminium and its alloys.

How to select the correct copper oxy-fuel rod

One of 6 variants in this range Configure all options →

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Specifications

Classification555
Diameter (mm)3.0
MaterialAluminium
Weight2.5kg
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3.0mm 555 Aluminium Solder Self Fluxing Rod 2.5kg

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3.0mm 555 Aluminium Solder Self Fluxing Rod 2.5kg SKU RO553225

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From the archive · since 1932

As seen in SIF Tips

This product — or its heritage predecessor — features in these issues of SIF Tips, Britain's welding quarterly. Tap a cover to read the original.

3.0mm 555 Aluminium Solder Self Fluxing Rod 2.5kg

Frequently asked questions

Which copper oxy-fuel or gas welding rod do I need?

The correct welding rod depends on whether you're welding pure copper or a copper alloy, the thickness of the material and the mechanical properties required from the finished weld.

Can copper be welded using oxy-fuel equipment?

Yes. Copper can be successfully welded using oxy-fuel or gas welding equipment when the correct filler rod, flame setting and welding procedure are used.

How do I choose the right copper gas welding rod?

Start by identifying the parent material, then consider the application, required strength, conductivity and service conditions before selecting the appropriate filler rod.

Do I need to preheat copper before gas welding?

In many applications, yes. Copper transfers heat very quickly, so preheating thicker sections often helps achieve better fusion and more consistent weld quality.

Why is my copper gas weld lacking fusion?

Lack of fusion is commonly caused by insufficient heat input, inadequate preheating, incorrect flame adjustment or poor joint preparation.

What flame should I use for copper gas welding?

A neutral flame is generally recommended for copper welding as it provides good fusion while minimising oxidation of the parent material.

When should I gas weld copper instead of brazing?

Gas welding is normally chosen when the parent materials need to be fully fused together. Brazing is often preferred where lower heat input, reduced distortion or joining dissimilar metals is required.

What industries still use copper gas welding?

Copper gas welding continues to be used in electrical engineering, specialist fabrication, maintenance, repair work, restoration and industrial manufacturing.

How should copper oxy-fuel welding rods be stored?

Store welding rods in a clean, dry environment and protect them from moisture, dirt and contamination to maintain consistent welding performance.

What questions should I ask before choosing a copper oxy-fuel welding rod?

Before selecting a copper gas welding rod, identify: Am I welding pure copper or a copper alloy? What thickness is the material? Will preheating be required? What mechanical properties are required? Is this repair work or new fabrication? Answering these questions will help you select the most suitable copper oxy-fuel welding rod for your application.

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