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China : HBIS Shi Steel Special Spring Steel Applied in Shijiazhuang Subway Locomotive Safety Axis Production.

The Shijiazhuang Subway project construction is under its "Hundred Day Hard Work"campaign and HBIS Steel has successfully delivered its special spring steel to a locomotive manufacturer in Southwest China to produce a key safety equipment-- Torsion bar shaft, for its Shijiazhuang subway locomotives.

The torsion bar shafts are one of key load bearing and safety parts on locomotives, which raise tough requirements to raw materials. The special spring steel material must be high strength, high rigidity, high fatigue limit and acceptable plasticity and tenacity.

All the torsion bar shafts in Shijiazhuang subway project will be manufactured by the southwest contractor, with HBIS Shi Steel. Besides shafts,Shi Steel also has supplied rail fastener steel and vibration isolation spring steel for the subway project.

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Publication:Mena Report
Date:Aug 9, 2016
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