Welding, Cutting & Safety Solutions

Sifmig No 8 Phosphor Bronze MIG Brazing Wire – 1.2 mm x 12.5 Kg


£489.04 ex VAT £586.85 inc VAT

Brand: Weldability Sif
Product Model:
In Stock

A phosphor bronze wire containing 7% tin and is suitable for fusion welding of phosphor bronze castings and copper alloys, and brass.

It is also used for MIG brazing on ferrous, stainless and dissimilar metals or for applying a bearing surface.

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Sifmig No 8 Phosphor Bronze MIG Brazing Wire – 1.2 mm x 12.5 Kg

Popularly used on bronze, brass, copper and copper alloys for applications such as crack repair in castings, and to provide a wear-resistance layer on surfaces subject to abrasion.

Where parent metal contains trace lead (such as LG2), it is advisable to apply SIFMIG 8 in stages, grinding between passes to remove lead drawn into the joint and to reduce porosity.


Sub Category Mig Wire – Brazing
Part Number WO081212
Weight 12.5 KG
Diameter 1.2 mm
Melting Point DegC 900-1050
U.T.S. N/mm2 260
Current DC = +
Shielding Gas Pure Argon, or 95/5 (5%CO2) ArCO2

Welding Positions

sifmig 8 welding positions

Weldable in all positions and particularly useful in hard-to-reach areas. Ensure surfaces of parent metal are cleaned thoroughly before welding.

Typical Weld Metal Composition

Sn 7%
Cu Bal

Typical Mechanical Properties

Melting Point 900-1050°C
Ultimate Tensile Strength 260 N/mm²
Hardness 80

BS: 2901 C11.  EN ISO 24373: Cu5180A [CuSn6P]

A carriage charge is applied to orders, for standard 1-2 day shipments to mainland destinations within the United Kingdom. Other destinations and premium services are available but subject to additional freight charges.


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