The boards of directors of Berkshire Hathaway Inc. and Precision Castparts Corp. (PCC) unanimously approved a definitive agreement for Berkshire Hathaway to acquire, for $235 per share in cash, all outstanding PCC shares.

Columbus McKinnon Corp. agreed to acquire Magnetek Inc. for approximately $190 million.

Precision Castparts Corp., a leading producer of complex forgings and high-performance alloys, agreed to acquire Composites Horizons LLC (CHI) from American Industrial Partners.

Allegheny Technologies Inc. (ATI) is expanding its nickel-based superalloy powder capabilities to satisfy strong demand from the aerospace jet-engine market and growing demand from the additive-manufacturing industry, particularly for 3D-printed parts.

Honeywell has signed a definitive agreement to acquire the Elster Division of Melrose Industries plc for $5.1 billion.

TimkenSteel recently promoted Carolee Vanicek to director of tube manufacturing.

Sheffield Forgemasters increased its mechanical and metallurgical testing capabilities after passing a government-recognized accreditation.

The Nuclear AMRC of the U.K. installed an automated bulk additive-manufacturing cell that can build high-integrity parts from the ground up and add metal features to large forgings.

Ajax TOCCO Magnethermic recently shipped a 1,300-kW induction billet heating system to Bonney Forge Corp. of Mount Union, Pa.

TimkenSteel, a producer of customized alloy steel products and services, recently opened a $5 million, 20,000-square-foot technology center at its Northeast Ohio corporate campus.