ZeST® (Zero-lead Special Turning) product line

Discover our ZeST® Product line

With ZeST® (Zero-lead Special Turning), Lebronze alloys opens a new chapter in the move toward high-performance, machinable lead-free materials. More than a product line, ZeST® represents our commitment to combining sustainability, advanced metallurgy, and manufacturing reliability to support the industries that rely on uncompromising precision.
ZeST® was created with a clear purpose: to replace traditional leaded materials while maintaining, and often enhancing, performance levels on both the properties side (mechanical, physical, and metallurgical) and the machinability side, enabling high-speed and complex machining operations required by critical applications.
Built for electronics, medical devices and precision industries, the ZeST® range provides a real alternative for most of our leaded advanced precision alloys.
But materials alone are not enough. The strength of ZeST® also comes from our technical teams and experts who support customers in their transition to lead free solutions, from alloy selection to process optimization and long term industrial stability.
 

Our new ZeST® product line in detail

ARCAP ZEST® - Lead‑Free High‑Performance CuNiZn Alloy
ARCAP® ZeST is Lebronze alloys’ lead free CuNiZn solution, combining strength, corrosion resistance, non magnetism, and machinability—making it the sustainable, high performance alternative to ARCAP® AP1D.

BZ4 ZeST® - Lead‑Free High‑Machinability CuSn4Zn4 Alloy
BZ4® ZeST is a lead‑free Copper‑Tin‑Zinc alloy (CuSn4Zn4) developed and produced by Lebronze alloys. It combines excellent machinability—comparable to traditional leaded alloy—with high mechanical properties and strong resistance to stress corrosion cracking, making it a reliable and sustainable solution for demanding machining applications.

C97 ZeST® - Lead‑Free High‑Machinability Copper Alloy
C97® ZeST is Lebronze alloys’ lead‑free alternative to C97® (CuNi1Pb1P). It is designed to deliver excellent machinability—comparable to leaded grades—while maintaining strong mechanical performance and reliable corrosion resistance. C97® ZeST enables high‑speed and complex machining operations, offering a sustainable solution for applications historically relying on leaded copper alloys.

Declafor ZeST® - Lead‑Free Alternative to leaded beryllium copper
DECLAFOR® 1015 is Lebronze alloys’ lead‑free alternative to traditional leaded beryllium copper grades. It is designed to deliver a balanced combination of high mechanical performance, good fatigue behavior, and reliable machinability, while supporting high‑speed and complex machining operations. DECLAFOR® 1015 provides a safer, sustainable solution for applications requiring performance levels comparable to beryllium copper, without the use of lead.