Steel tie rod diameter 115mm,upset threaded ends.The total length per set is 51.54m,with several turnbuckles and couplers so that the length can be adjusted.S550 steel grade,meaning the minimum yield strength is 550Ma,very high strength alloy steel. The first phase is in December 2008,140 sets or totally 800 tons was deliveried.Second phase is April 2009,308 sets ,1700 tons. Totally the contractor buys 2500 tons steel tie rod from us.

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