Shafts

Shafts for energy applications require high-strength BÖHLER steels with excellent fatigue strength and toughness. Key quality features include ultra-clean materials, full traceability, controlled heat treatment, and comprehensive testing to ensure reliable long-term performance.

Shafts used in energy applications, such as turbines, generators, and compressors, are highly stressed components operating under continuous rotation, cyclic loading, and often elevated temperatures. Material requirements therefore focus on high tensile strength, excellent fatigue resistance, high fracture toughness, and long-term dimensional stability. In particularly demanding service environments, high resistance to corrosion, creep, and hydrogen embrittlement is also required to ensure operational reliability and long service life.

BÖHLER high-performance steels and alloys have been specifically developed to meet these requirements. Advanced low-alloy quenched and tempered steels, as well as martensitic and precipitation-hardening grades, provide an optimized balance of strength and toughness combined with outstanding fatigue resistance. Through the use of advanced melting technologies, BÖHLER materials achieve exceptional cleanliness and highly homogeneous microstructures. This significantly reduces the risk of crack initiation under cyclic loading conditions.

Key quality features include precise control of chemical composition, certified material traceability, and validated heat treatment processes. Comprehensive mechanical testing, non-destructive testing methods, and dimensional inspections ensure consistently high quality. As a result, BÖHLER materials enable reliable, efficient, and long-lasting performance of shafts in demanding power generation systems.