High-Precision Steel Strand Relaxation Testing Machine Launched, Empowering Infrastructure Quality and Safety Globally_Jinan Hensgrand Instrument Co., Ltd.

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High-Precision Steel Strand Relaxation Testing Machine Launched, Empowering Infrastructure Quality and Safety Globally

As global infrastructure projects march toward larger spans, longer service lives, and higher quality standards, prestressed steel strands—core materials for bridges, high-speed railways, nuclear power plants, and high-rise buildings—have become pivotal to ensuring long-term structural safety. Recently, a cutting-edge steel strand relaxation testing machine integrating high precision, intelligence, and strong compatibility has been officially launched. This equipment accurately captures the stress attenuation law of prestressed steel strands under long-term load, providing authoritative data support for material quality control, project acceptance, and new material R&D. It fills the gap in the industry’s demand for precise room-temperature stress relaxation testing, building a solid quality inspection barrier for modern infrastructure projects worldwide.

High-Precision Steel Strand Relaxation Testing Machine Launched, Empowering Infrastructure Quality and Safety Globally

Designed specifically for performance testing of prestressed metal materials, the newly launched steel strand relaxation testing machine is tailored for steel strands, PC steel bars, steel wires, threaded steel bars, and other materials. It conducts long-term stress relaxation tests under constant strain conditions, real-time monitoring and recording the stress attenuation process while accurately calculating key indicators such as relaxation rate and residual stress, thus comprehensively evaluating the long-term service reliability of materials. The equipment is compatible with testing needs of multi-specification structural steel strands (e.g., 1×7, 1×19) and finds wide application in scenarios including factory inspection for steel strand manufacturers, project acceptance by quality inspection institutions, and new material R&D in scientific research institutes. It has emerged as an indispensable testing tool in construction engineering, metallurgical manufacturing, aerospace, and other fields.



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