SIF Brazing Rods
SKU RX401500 · 40% Silver
A popular grade of Silver Solder offering good capillary action and ductility in many ferrous and nonferrous applications. Use with SIF SILVER SOLDER flux.
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Trade-only · No minimum order · Free UK delivery over £150.
Buying in bulk? Call us for volume pricing 01462 482200 Speak to the trade desk — sharper prices on larger quantities.| Classification | 40% Silver |
|---|---|
| Diameter (mm) | 1.5 |
| Material | Silver Solder |
| Weight | 1kg |
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From the archive · since 1932
This product — or its heritage predecessor — features in these issues of SIF Tips, Britain's welding quarterly. Tap a cover to read the original.
1.5MM/2MM SIF SILVER SOLDER NO 40 1KG
The correct silver solder depends on the parent materials, joint clearance, service conditions and the strength required from the finished joint. Selecting the appropriate alloy ensures reliable brazing performance.
Start by identifying the metals you're joining, then consider the required joint strength, operating temperature, joint clearance and corrosion resistance before selecting the most suitable silver brazing alloy.
Higher silver content alloys generally offer improved flow characteristics, lower melting temperatures and easier brazing, making them ideal for more demanding or precision applications.
Lower silver content alloys are often selected where cost is an important consideration and the application does not require the enhanced flow characteristics or reduced brazing temperature of higher silver alloys.
Yes. Most silver brazing applications require a suitable brazing flux to remove oxides, protect the joint during heating and allow the filler alloy to flow correctly.
Yes. Silver brazing alloys are widely used to join dissimilar metals including steel, stainless steel, copper and brass, making them extremely versatile for engineering applications.
Poor alloy flow is commonly caused by insufficient heat, contaminated parent materials, incorrect joint clearance or using an unsuitable brazing flux.
Silver brazing alloys are widely used in refrigeration, HVAC, plumbing, aerospace, automotive, jewellery, medical equipment, precision engineering and general manufacturing.
Store silver solder rods in a clean, dry environment and protect them from moisture, dirt and contamination to maintain consistent brazing performance.
Before selecting a silver brazing alloy, identify: What metals am I joining? What joint strength is required? How close is the joint clearance? What service temperature will the joint operate at? Which brazing flux should I use? Answering these questions will help you select the most suitable silver solder for your application.
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