Your partner of excellence for the development and delivery of technologically advanced, high value-added solutions
fuses
Cutting-Edge Solutions for the Fuse Market
Thanks to our long-standing expertise in processing thin metals such as silver and copper, Pietro Galliani leads the market in fuse components. Our silver tapes, copper sheets, and increasingly popular Silver-Copper bimetal are now utilized by major fuse manufacturers worldwide. We develop customized products, even with low minimum orders, characterized by maximum reliability and precision, essential qualities in this market.
Silver, Copper, Bimetals silver-copper
Products
Silver Tapes:
High-quality products to ensure maximum precision during operation.
Copper Sheets and Copper Alloys:
Various types of alloys and formats available.
Bimetals:
The possibility to combine copper and silver to achieve the best performance with the maximum cost-effectiveness ratio.
Service
We accept orders for even the smallest production quantities and guarantee our customers fast and reliable delivery times. We offer customised solutions, designed and developed to express the proper characteristics and suit unique production cycles.
Applications
- Low/medium/high voltage fuses
- Special fuses for photovoltaics
- Automotive Fuses
- High precision fuses
- Fuses with fast and ultra-rapid intervention
Silver
MATERIAL
Silver with purity up to 99.99%; with impurity control in PPB
THICKNESS
Thicknesses ranging from a minimum of 8 microns; thickness tolerance up to +/- 3%; minimum width 1mm.
FORMATS
Plastic flanged coils, customizable formats based on product dimensions. Packaging made with vacuum- laminated barrier
MECHANICAL PROPERTIES
Hard material with HV > 75 and annealed material with HV < 50. Mechanical properties with narrow tolerance ranges for special applications
SURFACE
Specular surface, with very low surface roughness (Ra < 0.1μm); removal of surface impurities through specific processes; availability of scratch-resistant protective films
Copper
MATERIAL
Various types of copper available according to requirements
THICKNESS
Thicknesses ranging from a minimum of 8 μm; standard thickness tolerance +/- 10%, reducible to +/- 5% in special products. Width 6-350mm
FORMATS
Packaging made with vacuum- laminated barrier; upon request, protection against oxidizing agents, barrier bag, and other special packaging
MECHANICAL PROPERTIES
Tensile strength > 390 MPa in some cases, with mechanical resistance guaranteed up to 200°C
SURFACE
Very low surface roughness (Ra < 0.1μm); coatings, tinning, and silver plating available upon request
Copper Alloys
MATERIAL
4 types of Brass (CuZn), 2 types of Bronze (CuSn), 2 types of Nickel Silver (CuNiZn), and other special alloys with high thermal resistance
THICKNESS
Thicknesses ranging from a minimum of 8 μm; standard thickness tolerance +/- 10%, reducible to +/- 5% in special products. Width 6-350mm
FORMATS
Packaging made with vacuum- laminated barrier; upon request, protection against oxidizing agents, barrier bag, and other special packaging
MECHANICAL PROPERTIES
Tensile strength > 390 MPa in some cases, with mechanical resistance guaranteed up to 200°C
SURFACE
Very low surface roughness (Ra < 0.1μm); coatings, tinning, and silver plating available upon request
Bimetal
MATERIAL
Possible combinations of copper and brass in combination with silver or related alloys (possibility to insert from 1 to 8 silver tracks)
THICKNESS
Wide selection of thicknesses and widths available based on customer needs. High geometric precision
FORMATS
Plastic flanged coils, customizable formats based on product dimensions. Packaging made with vacuum- laminated barrier
MECHANICAL PROPERTIES
- Annealed Ag 30-65 HV
- Raw Ag > 65 HV Annealed
- Cu 40-65 HV Raw
- Cu > 80 HV
- Annealed OT70/OT85 65-95 HV
- Raw OT70/OT85 > 100 HV
SURFACE
Very low surface roughness (Ra < 0.1μm); removal of surface impurities through specific processes
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