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SIF Sifmig 328 MIG Brazing Wire - Aluminium Bronze (CuAl8) - 0.8mm to 1.2mm Dia. (4kg & 12.5kg Spools)

WO320840A Weldability Sif In Stock Fast Dispatch
Price per unit
£91.86 ex VAT
£110.23 inc VAT
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  • Aluminium bronze MIG wire (CuAl8) for welding aluminium bronze alloys and dissimilar joints
  • Available in multiple diameters on 4kg and 12.5kg spools
  • Tensile strength 430 N/mm², hardness 85 BHN, melting point 1030°C
  • Requires DC+ polarity and pure argon shielding gas at 0–15 lpm
  • Suitable for shipbuilding, offshore, power generation, and repair applications
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SIFMIG 328 is an aluminium bronze MIG wire (CuAl8) for welding aluminium bronze alloys and dissimilar joints, supplied in 0.8–1.2mm diameters on 4kg and 12.5kg spools.

SIFMIG 328 is a 92/8 aluminium bronze MIG wire (CuAl8) designed for welding and surfacing applications on copper alloys and aluminium bronzes.

It is suitable for MIG brazing dissimilar joints, surfacing wear-resistant parts under light loads, and providing resistance to corrosive media such as salt.

The wire is widely used in shipbuilding, offshore, power generation, repair and maintenance, and the chemical industry.

Particularly effective for maintaining car parts, bearings, tools, and galvanized steel sheets, it runs on DC+ polarity with pure argon shielding gas.

Typical composition is Cu balance with 8% Al, giving weld deposits with tensile strength of 430 N/mm², hardness of 85 BHN and melting point of 1030°C.

Available in 0.8, 1.0 and 1.2mm diameters on 4kg and 12.5kg spools.


Wire Diameter 0.8mm | 1.0mm | 1.2mm
Spool Size 4kg | 12.5kg
Material Aluminium Bronze (CuAl8, ERCuAl-Al)
Aluminium (Al) 8%
Copper (Cu) Balance
Tensile Strength (UTS) 430 N/mm²
Hardness 85 BHN
Melting Point 1030°C
Current Polarity DC+
Current Range 40–220A
Shielding Gas Pure Argon (0–15 lpm)
EN Standard EN 14640 Cu 6100 (CuAl8)
BS Standard BS 2901 C28
AWS Standard AWS A5.7 ERCuAl-Al
Aluminium Bronze Alloys CuAl8 Fe3 | CuAl10 FeMn2 | CuAl9 Mn9 | G-CuAl8 | G-CuAl10Ni (cast aluminium bronzes)
Industries & Applications Shipbuilding | Offshore | Power Generation | Repair & Maintenance | Chemical Industry | Bearings | Tools | Car Parts | Galvanized Steel
shopping_price_ranges 200 - 500
Brand Weldability Sif
Material Type Brazing (ERCu)
AWS Classification CuAl8
Spool Size Small (2-7kg), Standard (12.5-25kg)
Diameter 0.8mm ·
Weight 4kg ·
SKU Diameter Weight Stock Status  
WO320812A 0 8mm 12 5kg In Stock £378.57 ex VAT £454.28 inc VAT
WO320840A 0 8mm 4kg In Stock £91.86 ex VAT £110.23 inc VAT
WO321012A 1 0mm 12 5kg In Stock £264.29 ex VAT £317.15 inc VAT
WO321040A 1 0mm 4kg In Stock £98.36 ex VAT £118.03 inc VAT
WO321212A 1 2mm 12 5kg In Stock £357.93 ex VAT £429.52 inc VAT

Product Information

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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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SIF Sifmig 328 MIG Brazing Wire - Aluminium Bronze (CuAl8) - 0.8mm to 1.2mm Dia. (4kg & 12.5kg Spools) SIF Sifmig 328 MIG Brazing Wire - Aluminium Bronze (CuAl8) - 0.8mm to 1.2mm Dia. (4kg & 12.5kg Spools)
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