Copper-Phosphorus Brazing Alloys

Compare BCuP-3 and BCuP-5 references: 5% and 15% silver in documented 0.050 × 1/8 inch flat, 8-stick tubes. Specify round diameter or flat-strip thickness and width, then the required cut length.

Configure your requirements
Representative round and flat brazing filler forms; composition, dimensions and supplied packaging are specified separately.
Representative round and flat brazing filler forms; composition, dimensions and supplied packaging are specified separately.

Sizes & capacities

Manufacturer reference configurations

Compare published specifications for each configuration, then select a reference or enter your own requirements. Supply and the final configuration are confirmed in the quotation.

2 documented configurations. Review one specification at a time; your custom requirements are retained.

5% silver copper-phosphorus · 0.050 × 1/8 in flat · 8-stick tube

Reference alloy and retail pack. Dimensions are in inches; configure your required geometry and packaging below. Quotation confirms the supplied execution. For copper and copper-alloy joints; unsuitable for steel or other ferrous metals. Brass joints require a suitable flux.

Filler classification
AWS A5.8: BCuP-3
Silver content (nominal)
5%
Nominal composition
Ag 5%; P 6%; Cu 89%
Form
Bare filler rod
Cross-section
Flat
Thickness × width
0.050 × 1/8 in
Reference package
8-stick tube
Solidus
643°C
Liquidus
816°C
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Your specification

Configure your product requirement

Enter the capacity and site requirements you need. Your selections carry into the RFQ and remain editable before submission.

Essential operating requirements
Additional dimensions and application details

Next: contact details, quantity and delivery. Leave unknown requirements blank and request help in the RFQ.

Applications

Specify both base metals, exact grades, joint geometry and heating process. Phosphorus-bearing filler references are not for steel or other ferrous metals; flux selection depends on the exact materials and process.

Selection guidance

Choose a documented reference or enter your own requirement. Reference melting points and flux activity ranges are different from finished-joint service limits. Confirm the exact supplied alloy, flux, procedure and current safety documentation.

Technical notes

Reference facts remain separate from requested geometry, temperature, packaging and certificates. Nickel/aluminium and other specialist alloys, binder formulations and unlisted sizes can be requested; they are not established by the shown references.