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Critical Metallurgy

Your trusted partner in the development of customized solutions, optimized for your success. As leaders in innovation, we design performance materials for critical applications.

Discover our Group
Lebronze alloys home
Lebronze alloys home
Lebronze alloys home
Lebronze alloys home
Lebronze alloys home
lebronze alloys home

Who are we?

Lebronze alloys is an industrial group specialized in the production of performance materials for critical applications, in the form of semi-finished and finished products.

A large range of performance materials, available in numerous forms

The optimization of our materials contributes to the success of your applications. Being aware of this, we have developed, in-house, over 250 alloys with unique properties that meet the most complex requirements.

Click to explore our materials portfolio

Rolled products

Wires & Small Rods

Bars & Hollow Bars

Copper and copper alloys complex profiles

Flats & Plates

Tubes & Fittings

Forged and machined parts

Spot welding electrodes

Key products

ASTM B505 - C72900 - Copper Nickel Tin - CuNi15Sn8 - Hardiall® | Lebronze alloys

Hardiall® range of spinodal alloys

CuNi15Sn8, C72900 & CuNi9Sn6, C72700. High hardness and low friction copper alloys designed for extreme conditions
C17200 - C172 - CuNi9Sn6 - Titanium copper substitute - Spinodal alloy | Lebronze alloys

Niclafor® 1000 | CuNi9Sn6 | C72700

CuNi9Sn6, C72700. Wear and fatigue resistant, recyclable, high performance materials. Beryllium-free and Lead-free
Declafor 1015 - CuBe2Pb substitute - CuNi7.5Sn5Te - C72670- Machinable spinodal alloy| Lebronze alloys

Declafor 1015 | CuNi7.5Sn5Te | C72670

CuNi7.5Sn5Te, C72670. Highly machinable. Recyclable. High mechanical performances. Beryllium-free and lead-free.
CuNi7Si2Cr - Copper Nickel Silicon - CuBe2 substitute | Lebronze alloys

NS30 | CuNi7Si2Cr

CuNi7Si2Cr. Copper Nickel Silicon Alloy High Thermal Conductivity and High Strength
ARCAP® - AP1C - AP1D | Lebronze alloys

ARCAP®

C79350. Anti-corrosion, Anti-magnetism, excellent Machinability. Four grades with outstanding performances: AP1D, AP1C, AP1, AP4.
Aluminum Nickel Copper - Cu Ni Al - CuNi14Al2 - CuNi14Al3| Lebronze alloys

K5 & K5B special Copper-Nickel-Aluminium alloys

CuNi14Al2, CuNi14Mn4Al3. High Strength Copper-Nickel-Aluminium Alloys
CuNi14Al3Fe1 - WL 2.1504 - Copper Nickel Aluminum | Lebronze alloys

K7 | CuNi14Al3Fe1 | WL 2.1504 | LN 9468

CuNi14Al3Fe1. High quality & performance material, with various applications in Aircrafts & Helicopters
CuNi14Al3Fe1 - WL 2.1504 - Copper Nickel Aluminum | Lebronze alloys

Hardibron® | CuNi14Al3Fe1 | WL 2.1504 | DTD 900/4805

CuNi14Al3Fe1. Copper Nickel Aluminium alloy with excellent wear resistance, marine corrosion resistance and high strength
C70600 - C71500 - CuNi10 - CuNi30 - EN 12449 - BS2871 | Lebronze alloys

Navinic anticorrosion alloys

CuNi10Fe1Mn, C70600, CuNi30Mn1Fe, C71500 NAVINIC 10 and NAVINIC 30. Excellent resistance to sea water corrosion.
C63000 - CuAl10Ni5Fe4 - Nickel Aluminum Bronze - AMS4640 | Lebronze alloys

C63000, AMS4590 and other Aluminium Bronzes

CuAl10Ni5Fe4, CuAl11Ni5Fe5. C63000, C63020, AMS4640, BSB23, AMS4590. Wrought aluminium bronze for varied applications and forming options
Spot welding electrodes - Resistance welding - Spot welding caps - CuCrZr welding electrodes | Lebronze alloys

Welding caps and welding materials: Powerode+® & Alrode®

CuCrZr, CuZr, C18150, C18148, C18147. A wide range of electrodes & materials: market references & break-through innovations
CuCrZr - C18150 - CuCr1Zr - RWMA Class 2 | Lebronze alloys

Welding alloys in bars and coils

CuCrZr, C18150, C18148, C18147. Very high purity alloys for welding of steel sheets and aluminium sheets.
UC500 | ASTM B624 | CuCrZr - High strength and high conductivity | Lebronze alloys

UC500 | CuCrZr | ASTM B624

CuCrZr, ASTM B624. High strength. High conductivity. Wrought, age hardening low alloyed copper.
C97® - C98® -CuNiPb1P - C19160 - Leaded nickel copper | Lebronze alloys

C97® & C98® special low-alloyed Copper

CuNiPbP, C19140, C19150, C19160. Low alloyed copper for high performance connectors used in harsh environments
C99® - CuPb1P - C18700 - CW113C | Lebronze alloys

C99® special low-alloyed Copper

CuPb1P, C18700. Low alloyed copper for high conductivity and e-mobility power transmission applications
AMS 4616 - C65620 - CuSi3Fe2Zn3 - Silicon Iron Bronze | Lebronze alloys

Si45Z | CuSi3Fe2Zn3 | C65620 | AMS 4616

CuSi3Fe2Zn3, C65620. Silicon Iron Copper alloy, exceptional ductility and elongation rate together with good mechanical properties. Perfect for bearing cages and retainers
Nickel strips - Nickel Foil - Nickel 200 - Nickel 201 | Lebronze alloys

Pure Nickel materials

ASTM B162. High conductivity. Excellent metallurgical cleanliness. Corrosion resistance.
CuZn40 - CW724R - REACH Brass - C693 - RoHS Brass | Lebronze alloys

EnviB X

CuZn42, CuZn40. Machinable lead-free brass: environment-friendly and unique solutions by Lebronze alloys
Electrodes for aluminium resistance welding

Alrode® | CuCrZr | C18147
CuMn12Ni – CuMn12Ni2 - Copper Manganese Nickel - Niclal® 43A – Equivalent to Manganin® Zeranin®, Noventin®, Isabellin® A and Isaohm® | Lebronze alloys

Niclal® 43A | CuMn12Ni | CuMn12Ni2

CuMn12Ni | CuMn12Ni2. High thermal stability of electrical resistance alloy for current sensing applications
AB2 | CuAl10Ni | C95800

AB2 | CuAl10Ni | C95800

AB2 | CuAl10Ni | C95800 nickel aluminum bronze for resilience and reliability in heavy-duty engineering
Alloy 954 | C95400 | CC331G | CuAl10Fe3

Alloy 954 | CuAl10Fe3 | C95400 | CC331G

Alloy 954 | CuAl10Fe3 | C95400 | CC331G aluminum bronze for strength, wear resistance, and demanding environments
PB1 | CuSn10P | C90700

PB1 | CuSn10P | C90700

PB1 | CuSn10P | C90700 phosphor bronze for durability in high-load bearings and precision parts
LG2 | CuSn5Zn5Pb5 | CC491K

LG2 | CuSn5Zn5Pb5 | CC491K

LG2 | CuSn5Zn5Pb5 | CC491K bronze for reliable and durable industrial components
AMS 4880 | CuAl11Ni5Fe5 | C95510

AMS 4880 | CuAl11Ni5Fe5 | C95510

AMS 4880 | CuAl11Ni5Fe5 | C95510 high-strength alloy for wear resistance and dimensional stability
AMS 4881 | CuAl10Ni5Fe3 | C95520

AMS 4881 | CuAl10Ni5Fe3 | C95520

AMS 4881 | CuAl10Ni5Fe3 | C95520 high-performance alloy for strength, wear resistance, and thermal stability

Answering today to tomorrow's challenges

Eolienne / Transition Ecolo

Ecological transition

  • Alternatives to Ecotoxic Materials
  • Energy Savings
  • Renewable Energy
  • Reducing greenhouse gases
Applications in hostile environments

Applications in hostile environments

  • Long-life components
  • Mechanical and tribological performance
  • Resistance to saline environments, high temperatures, aggressive chemical agents
Miniaturisation

Miniaturization

  • Very high purity
  • Finishing quality
  • Precision of strength and magnetism
  • Pliability, machinability, formability
circular economy

Circular economy

  • Traceability
  • Recyclability
  • Material savings
  • Shavings and waste recovery
Sustainable electro-mobility

Sustainable electro-mobility

  • Hybrid and electric vehicles
  • Batteries and connectors
  • New materials and processes
  • Vehicle lightness, compactness
compliance

Demanding standards and specifications

  • ISO 14001
  • EN 9100
  • ISO 9001

Our latest news

Lebronze alloys acquires MEA to consolidate its leadership in high precision extruded profiles

Lebronze alloys acquires MEA to consolidate its leadership in high precision extruded profiles

Lebronze Alloys is pursuing its growth strategy with the acquisition of Manufacture pour l’Extrusion d’Alliages (MEA), a French leader in copper and copper alloys profile extrusion with over 30 years ...
LBA showcases its high-performance alloys at SCHWEISSEN & SCHNEIDEN 2025

LBA showcases its high-performance alloys at SCHWEISSEN & SCHNEIDEN 2025

SCHWEISSEN & SCHNEIDEN 2025, which took place in Düsseldorf, brought together leading international professionals in welding and cutting technologies. We would like to thank all the visitors who took the ...
LBA showcases its high-performance solutions at DSEI London

LBA showcases its high-performance solutions at DSEI London

DSEI London, which took place from 9 to 12 September, brought together the leading international players in the defense, aerospace, and naval sectors. We would like to thank all the visitors who ...

A wide range of applications

Each application is unique. Collaborative research, sustainable alternatives, innovative processes: our broad range of alloys and our expertise in their use allow us to precisely meet the needs of various applications.

Multi-disciplinary know-how

We master each step of production of our products, from casting to surface treatments. This allows us to optimize the final properties of our materials in order to adapt them to the most stringent requirements.