Mumbai, Nov. 5 -- Vedanta Aluminium, India's largest producer of aluminium, has achieved another milestone with the grant of its first product development patent for a lead- and tin-free bismuth-aluminium alloy. This innovation offers a sustainable, high-machinability solution designed to address the global phaseout of hazardous elements like lead and tin in industrial applications.

The alloy, developed by Vedanta Aluminium's in-house R&D team, replaces lead and tin with bismuth. The company states that the alloy meets global environmental standards while delivering machinability and mechanical strength.

The alloy is engineered for components across the automotive, electronics and textile sectors where machining operations are central t...