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Lamifil copper and aluminium alloys are based on extensive metallurgical expertise and experience, providing confidence and certainty for our customers.

Copper and its alloys

CuMg 0.2 and 0.5

Copper Magnesium has the highest tensile strength when compared to other alloys, making it the perfect alloy for contact wire in high-speed lines with speeds well above 300km/h.

Lamifil has developed its own ultra high-conductivity alloys with superior properties and benefits compared to standard wires, including our brand new PowerFil.

CuCm 0.7 AND 1.0

Copper Cadmium combines high strength with good conductivity. With unsurpassed flex life, CuCd is highly resistant to the frequent vibrations dropper wires need to withstand, making it the ideal choice for high energy efficiency, fewer voltage drops and reduced operational costs.

When extra strength is required, Lamifil’s CuCdSn alloy is an excellent choice.

CuSn 0.2

The development of a high-performance Copper-Tin alloy was an imperative, displaying a better conductivity at 80%, with only a small reduction in tensile strength compared to CuMg.

CuSn is used in the contact wires for both conventional and high-speed railway lines, allowing speeds above 300km/h.

CuAg 0.1

Copper-Silver offers electrical and mechanical characteristics similar to those of ETP copper but with enhanced thermal stability. This allows higher over-current on DC lines, without increasing the wear on the contact wire.

Ideal for contact wires in high frequency, conventional railway lines with speeds of up to 250km/h.

Lamifil’s ThermoFil, composed of a unique and innovative alloy, delivers a powerful and cost-effective alternative to the CuAg alloy.

Cu ETP

Copper ETP is still the most universal metal but is increasingly being replaced by alloys with superior characteristics.

Non-alloyed Cu offers the best possible conductivity and is typically used in contact wires for tramways and conventional railway lines with lower train speeds but is most appropriate for auxiliary conductors and feeder cables.

Our new PowerFil and ThermoFil offer a valuable alternative to Copper ETP.

Aluminium and its alloys

Aluminium, with its lower weight and lower cost, is best used in return and feeder cables.

With its expertise in aluminium manufacturing, Lamifil offers an extensive range of in-house produced aluminium cables: All Aluminium Conductors (AAC), All Aluminium Alloy Conductors (AAAC) and Aluminium Core Steel Reinforced Conductors (ACSR).

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