Lebronze alloys

What Lebronze alloys does

Lebronze alloys is a France-headquartered industrial group founded in 1973, specializing in the design and production of technical performance components and semi-finished products in copper and nickel alloys. Its portfolio comprises more than 250 internally developed proprietary alloys spanning spinodal CuNiSn families (Hardiall, Niclafor, Declafor), CuCrZr age-hardenable systems (Cupro-U, Alrode), nickel-aluminum bronzes, copper-nickel-aluminum grades, nickel-silver (ARCAP) and copper-manganese resistance alloys, plus lead-free and antimicrobial variants compliant with REACH and RoHS. The group runs a vertically integrated manufacturing chain from continuous and semi-continuous foundry casting through hot and cold forming, heat treatment, forging, precision machining and surface treatments, with EN 9100, Nadcap, AS9120 and ISO 9001/14001 certifications at its main Suippes site and at the UK and North American service centers.

The company sells primarily through direct enterprise sales to aerospace OEMs (Airbus is a named reference), major automotive OEMs (with co-developed R&D partnerships), and tier-one suppliers across automotive, electronics, marine and oil & gas, defense, healthcare, energy and luxury-goods segments. Distribution is supplemented by wholly-owned service centers in France, the UK, the USA (via the Lebronze Alloys North America joint venture with Vista Metals) and a Shanghai Pudong warehouse, plus exclusive distributors in Canada (Terra Nova) and for welding electrodes (Chowel Weldparts, Artweld). Pricing is quote-based B2B with no publicly disclosed rates. Revenue derives from one-time sales of specialty mill products and finished machined components, rather than recurring subscriptions.

Since becoming an Astorg portfolio company, Lebronze alloys has executed an active buy-and-build program, completing at least four add-on acquisitions through 2025 (Allied Copper Alloys, AW Fraser, M Lego from AUREA, and an MEA extrusion-profile target). Growth has been reinforced by new distribution in Canada, a new CEO in 2025, ESG-linked financing, SBTi-validated carbon targets, and an Ecovadis Gold Medal.

Name

Lebronze alloys

Legal name

Lebronze alloys

Website

https://lebronze-alloys.com

Company type

Private

Founded year

1973

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

Lebronze alloys is a France-based industrial group designing and producing more than 250 proprietary copper and nickel alloys for aerospace, automotive, electronics, defense, marine, energy, healthcare and luxury customers, sold as semi-finished mill products and machined components worldwide.

Ownership category

akta.pro rank

Product category

Specialty Copper and Nickel Alloy Manufacturing

NAICS

All Other Fabricated Metal Product Manufacturing (33299), Other Fabricated Metal Product Manufacturing (3329)

SIC

Miscellaneous Fabricated Metal Products (3490)

akta.pro primary industry

Aerospace Structural Metals & Alloys (Titanium, Aluminum, Nickel) (IMABANAL)

Keywords

• Copper alloy manufacturing
• Nickel alloy products
• Specialty metallurgical materials
• Resistance welding electrodes
• Aerospace alloy solutions

Headquarters

HQ city

Suippes

HQ country

France

HQ region

Europe

Offices4 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Technology or R&D, Infrastructure, Marketing or Sales

Revenue model

1. Specialty Copper and Nickel Alloy Products: Sale of high-performance copper and nickel alloy semi-finished products in various forms including rolled products, wires, bars, hollow bars, complex profiles, flats, plates, tubes, fittings, forged and machined parts, and spot welding electrodes. Products are sold as materials ready for transformation or as fully finished machined components.

Go-to-market motion3 records

Distribution channels7 records

Marketing channels7 records

Core offering

Lebronze alloys designs, develops, and manufactures over 250 proprietary copper and nickel-based alloy products and supplies them as semi-finished mill products (rolled strips, wires, bars, hollow bars, profiles, flats, plates, tubes, fittings) or as fully finished forged and machined components, including resistance spot welding electrodes, for demanding industrial applications. It serves OEMs in aerospace, automotive, electronics, marine and oil & gas, defense, energy, healthcare, and luxury goods, with fully integrated in-house manufacturing from foundry casting through surface treatments.

Product overview

Lebronze alloys is an industrial group specializing in performance materials for critical applications, offering over 250 proprietary copper and nickel-based alloys. The product portfolio spans multiple alloy families including Copper Nickel Tin Spinodal alloys (Hardiall®, Niclafor®, Declafor®), Nickel Aluminum Bronzes (NC2, NC4, NCS, AMS 4880, AMS 4881), Copper Nickel Aluminum alloys (Hardibron®, K5, K5B, K7), Nickel Silver alloys (ARCAP®), Copper Manganese Nickel alloys (Constantan, Niclal®), Low-Alloyed Coppers (C97®, C98®, C99®, Cuprofor®), Brass alloys (EnviB®), Lead-Free alloys (ZeST®), and various Bronze alloys. These materials are available in multiple product forms including rolled products, wires, bars, hollow bars, complex profiles, flats, plates, tubes, fittings, forged parts, machined components, and spot welding electrodes. The company operates as a vertically integrated manufacturer controlling the entire production chain from alloy casting to surface treatments, serving critical industries including aerospace, automotive, electronics, healthcare, energy, marine, defense, and luxury goods.

Differentiator

Problem solved

Functional benefit

Brands

• Hardiall®: CuNi15Sn8 (C72900) high-performance spinodal alloy for demanding operating conditions
• Niclafor® 1000
• Declafor® 1015
• ARCAP®
• Hardibron®
• Cupro-U®
• ZeST®
• EnviB®
• Steriall®
• Alrode®
• Powerode®

Products and services

• Hardiall® (CuNi15Sn8 / C72900) High-performance CuNi-Sn spinodal alloy (C72900) combining very high mechanical strength, fatigue resistance, wear resistance, low friction, and dimensional stability, certified to AMS 4596, AMS 4597, and AMS 4598. Sold as semi-finished mill products and finished machined components to aerospace, defense, oil & gas, and industrial OEMs.
• Niclafor® 1000 (CuNi9Sn6 / C72700) CuNi-Sn spinodal alloy (C72700) combining very high mechanical strength, fatigue resistance, low friction, and dimensional stability, certified to ASTM B740. Targeted at connectors, springs, and high-performance components in aerospace, automotive, and electronics.
• Declafor® 1015 (CuNi7.5Sn5Te / C72670) CuNi-Sn-Te spinodal alloy (C72670) combining very high mechanical properties and fatigue resistance with enhanced machinability for precision and electronic applications. Sold as rod, wire, and bar stock to precision component manufacturers.
• Nickel-Aluminum Bronze alloy family (NC2, NC4, CA104, NCS, AMS 4880, AMS 4881, AB2, Alloy 954) Family of nickel-aluminum bronze alloys (CuAl10Ni5Fe4, CuAl9Ni5Fe4, CuAl10Ni5Fe4 BS B23, CuAl11Ni5Fe5 C63020, CuAl11Ni5Fe5 C95510, CuAl10Ni5Fe3 C95520, CuAl10Ni C95800, CuAl10Fe3 C95400) combining high mechanical strength, hardness, wear resistance, and seawater corrosion resistance for marine, aerospace, hydraulic, and heavy engineering applications. Sold to naval, defense, aerospace, and industrial OEMs as bars, forgings, and machined components.
• Copper-Nickel-Aluminum alloy family (Hardibron®, K5, K5B, K7) Copper-nickel-aluminum alloys (CuNi14Al3Fe1, CuNi14Al2, CuNi14Mn4Al2, CuNi14Al3Fe1) including the Hardibron® brand, combining very high mechanical strength, fatigue resistance, wear resistance, ductility, and amagnetic behavior with marine corrosion resistance for aerospace, oil & gas, marine, and electrical applications. Certified to WL 2.1504, ASNA 6127, NFL 14702, NES 835, DEFSTAN 02-835, and LN 9468.
• Nickel-Silver / Maillechort alloy family (ARCAP® AP1C, ARCAP® AP1D) Copper-nickel-zinc (maillechort) alloys ARCAP® AP1C (Cu56Ni25Zn19 / C79360) and ARCAP® AP1D (CuNi25Zn11.5Pb1 / C79350) combining high mechanical properties, corrosion resistance, and non-magnetic behavior for precision mechanical, watchmaking, connector, and instrument applications. AP1D variant adds lead for enhanced machinability.
• Copper-Manganese-Nickel precision resistance alloy family (Constantan 45 TCR, Niclal® 43A) Copper-nickel-manganese and copper-manganese-nickel alloys (Constantan 45 TCR / CuNi44Mn1Fe / WL 2.0842; Niclal® 43A / CuMn12Ni) combining precise electrical resistivity, long-term stability, and thermal stability for current-sensing resistors and high-accuracy electrical applications in electronics, automotive, and aerospace.
• CuCrZr high-performance electrical alloy family (Cupro-U®, UC500) CuCrZr age-hardenable wrought copper alloys (Cupro-U® / CuCrZr / ASTM B624, C18147, SAE AS22759, and UC500) combining very high strength with high electrical and thermal conductivity and thermal stability, supplied as high-performance conductors for single- and multi-conductor cables used in aerospace, automotive, and industrial electrical systems.
• Low-alloyed copper alloy family (C97®, C98®, C99®, Cuprofor®) Low-alloyed copper alloys including C97® (CuNi1Pb1 / C19160), C98® (CuNiPb0.5P / C19140, C19150), C99® (CuPb1P / C18700), and Cuprofor® (CuCoP / C15600) combining high electrical and thermal conductivity with mechanical strength, machinability, and thermal stability for connectors, power transmission components, and demanding electrical applications.
• Lead-free brass alloy family (EnviB® 1, EnviB® 158) Lead-free brass alloys EnviB® 1 (CuZn40 / C28000) and EnviB® 158 (CuZn42 / CW510L) combining enhanced mechanical strength, thermal stability, and machinability for precision components under thermal stress, marketed as REACH- and RoHS-compliant alternatives to leaded brass.
• ZeST® Zero-lead Special Turning product line ZeST® (Zero-lead Special Turning) product line of lead-free high-performance materials providing ecological alternatives to leaded alloys without sacrificing machinability, compliant with REACH and RoHS environmental regulations. Includes CuNi25Zn14.5, CuSn4Zn4, CuNi1P, and CuNi7.5Sn5Te (C72670) variants for specialized machining applications.
• Steriall® antimicrobial copper alloy Steriall® antimicrobial copper alloy providing continuous self-sanitizing surface properties for architectural components, healthcare surfaces, and medical device applications targeting hygiene-sensitive environments.
• Navinic® corrosion-resistant alloys (Navinic 10, Navinic 30) Navinic® family of corrosion-resistant copper-nickel alloys (Navinic 10 with CuNi10Fe1Mn, C70600; Navinic 30 with CuNi30Mn1Fe, C71500) for seawater piping, valves, pumps, heat exchangers, and offshore platform components in marine and oil & gas applications.
• Powerode® welding electrodes and materials Powerode® brand of resistance welding electrodes and related welding materials for automotive and industrial welding applications, including male and female electrodes in various forms.
• Alrode® aluminum resistance welding solution Alrode® patented and exclusive resistance welding solution for aluminum sheet developed and tested with major automotive OEMs, also enabling stainless steel welding for body-in-white and industrial applications.
• Additional specialty alloys (NS30, Si45Z, Siclanic® S, ZA9, BZ4, PB1, LG2, Monel 400) Specialty alloys covering nickel-silicon bronze (NS30 / CuNi7Si2Cr), silicon bronze (Si45Z / C65620 / AMS 4616), copper-nickel-silicon (Siclanic® S / CW111C), high-strength brass (ZA9 / NFL 14707), tin bronze (BZ4 / C54400 / AMS 4520), phosphor bronze (PB1 / C90700), tin bronze (LG2 / CC491K / C83600), and Monel 400 (UNS N04400) for industrial, aerospace, precision, and marine-chemical applications.
• Rolled Products (strips and sheets) Flat rolled products including strips and sheets produced in various copper alloy materials, supplied as semi-finished products ready for further transformation or as finished components for industrial manufacturers.
• Wires and Small Rods Wires and small-diameter rods produced in various copper alloy materials for precision applications and further transformation by industrial customers.
• Bars and Hollow Bars Solid and hollow bars produced in various copper alloy materials for industrial and aerospace applications, supplied to OEMs as feed stock for further machining and forging.
• Complex Profiles and Extrusions Complex extruded profiles in copper and copper alloys produced to customer specifications for specialized industrial applications.
• Flats and Plates Flat bars and plates supplied in various dimensions and copper alloy materials for industrial manufacturing applications.
• Tubes and Fittings Tubes and fittings produced in various copper alloys for fluid handling, seawater systems, and industrial applications.
• Forged and Machined Parts Fully finished machined components and precision-forged parts produced in copper alloys for critical applications, leveraging Lebronze alloys' integrated forging and machining capabilities for OEMs requiring ready-to-install parts.
• Spot Welding Electrodes Resistance spot welding electrodes and caps (male and female) for automotive and industrial resistance welding applications, distributed globally through Lebronze alloys direct sales and exclusive distributors Chowel Weldparts Inc and Artweld for welding caps.

Quantifiable outcome

• Components with longer service life in hostile environments, reducing maintenance and replacement frequency
• +2 more outcomes

Named customers2 records

Segments8 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

Nine partnerships are on record, tiered regional, major and minor.

• Terra Nova Steel Iron IncregionalChannel Partner/ Reseller/ Distributor · 1 January 2026Exclusive distributor appointed for Canada, expanding Lebronze alloys' distribution network in North America.
• M Lego (from AUREA group)majorStrategic or Co-development Partner · 28 July 2025Acquisition of 100% of M Lego's capital from the AUREA group. M Lego is a French manufacturer of high-quality copper alloys with 34 million euros turnover in 2024 and 85 employees. This acquisition strengthens Lebronze alloys' position in the copper alloy sector.
• Vista MetalsmajorStrategic or Co-development Partner · 1 January 2023Joint venture to create Lebronze Alloys North America (LBA NA), serving the North American market for specialty copper alloys and expanding Lebronze alloys' global footprint.
• MEA (Middle East and Africa)minorStrategic or Co-development PartnerAcquisition of MEA as the fourth add-on acquisition under Astorg's ownership, strengthening Lebronze alloys' position in high-precision extruded profiles.
• Allied Copper Alloys and AW FraserminorStrategic or Co-development PartnerAcquisition of Allied Copper Alloys and AW Fraser, expanding the company's footprint and product capabilities in copper alloy markets.
• Chowel Weldparts IncregionalChannel Partner/ Reseller/ DistributorExclusive distribution partner for welding caps, joining Lebronze alloys' distribution network for spot welding electrodes.
• ArtweldregionalChannel Partner/ Reseller/ DistributorExclusive distribution partner for welding caps, joining Lebronze alloys' distribution network for spot welding electrodes.
• Arts et Métiers Campus, Châlons-en-ChampagneminorOthersAcademic patronage partnership supporting talent development, innovation, and education in materials science and engineering.
• Midlands Aerospace Alliance (MAA)minorOthersUK subsidiary Lebronze Alloys UK is a member of the Midlands Aerospace Alliance, a regional industry association for aerospace companies in the UK.

Scale indicators5 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Wieland Group: German-based global leader in copper and copper alloy semi-finished products including rolled, drawn, and extruded forms serving aerospace, automotive, and electronics. Direct competitor to Lebronze in specialty copper alloys with comparable aerospace qualification depth and integrated manufacturing footprint.
• Materion Corporation: US-based specialty metals manufacturer with strong position in beryllium-copper alloys, advanced materials, and precision coatings. Direct competitor to Lebronze in high-performance copper alloys for aerospace, defense, and electronics with overlapping customer base.
• KME Group: Italian/German manufacturer of copper and copper alloy products including rods, tubes, sheets, and specialty alloys. Direct competitor in industrial copper alloy semi-finished products with comparable European manufacturing base and similar end-market exposure to aerospace and industrial sectors.
• Diehl Metall: German-based division of Diehl Group producing copper and brass alloys including stamped/turned parts, rods, and profiles. Direct peer in copper alloy components for automotive, industrial, and electrical applications with similar integrated manufacturing model.
• Luvata: Finland-based manufacturer of specialty copper products and engineered solutions serving automotive, electrical, and industrial markets. Comparable to Lebronze in copper alloy focus with strong welding electrode and resistance alloy offerings overlapping with Powerode® portfolio.
• Mitsubishi Shindoh Co., Ltd. Japanese specialty copper alloy manufacturer with strong position in high-performance alloys for electronics, automotive, and industrial applications. Direct competitor to Lebronze in specialty copper alloys with comparable lead-free formulations and integrated production capabilities.
• Olin Brass: US-based manufacturer of copper and copper alloy sheet, strip, and fabricated products serving automotive, electronics, and industrial markets. Direct peer in copper alloy semi-finished products with comparable product forms and overlapping customer base.
• NGK Metals Corporation: US-based subsidiary of NGK Insulators producing beryllium copper alloys and specialty copper products. Direct peer to Lebronze in high-performance copper alloys for aerospace, electronics, and industrial applications with comparable focus on advanced alloy formulations.

Broad incumbents

• Aurubis AG: European market leader in copper recycling and copper product manufacturing with broad portfolio including rods, strips, and specialty products. Larger incumbent competing in adjacent copper product categories with greater scale but less specialization in Lebronze's aerospace-grade copper alloys.
• Furukawa Electric Co., Ltd. Japanese global conglomerate with broad copper and specialty metals portfolio including high-purity copper and alloy products for electronics, automotive, and telecommunications. Larger incumbent with broader product range than Lebronze but overlapping in specialty copper alloy applications.

Market position

Strengths5 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UCWVnQy-XnPI5CUmA3YPnDSQ
• LinkedInlinkedin.com/company/lebronze-alloys
• Facebookfacebook.com/lebronze.alloys

Compliance7 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries5 records

Funding overview

Funding rounds1 record

Investors1 record

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A4 records

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Lebronze alloys