How to Solder Copper Tube to Stainless Steel

The YouTube video below uses Superior No. 520B.

No. 520B

View the product page for more information.

Superior Flux Number
Description
Radiator Application
Rec. Solders
Rec. Temp Ranges
SDS
Spec. Sheet

No. 520B
Zinc-free, bromide-based, amine salt flux. Concentrated.
Radiator core baking; header dips
25Sn/75Pb, other Sn/Pb combinations
260-425°C / 500-800°F
Link
Link

All radiator fluxes are RoHS compliant.

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