... high quality alloy steel, good abrasion resistance, high strength and long service life and easy to bend. 2.Divided into welded and assembled ... alloy steel with good wear-resisting quality,high strength and long service life and subjected to benging.4.Radition-resisting,high-temperature-resisting ... the company in good faith for this, the first-class service, won the praise of users. 800MPa T(8)Chain