M24 Tunnel Segment Bolts, strength 8.8 for Shenyang Metro Line 4 Supplier
In 2021, Anyang Railway Equipment Co., Ltd(AT) provided M24 Tunnel Segment Bolts for Shenyang Metro Line 4.
Shenyang Metro Line 4 is the 5th subway line to be opened in Shenyang, Liaoning Province, China. The length of Shenyang Metro Line 4 is about 34.112 km and has 23 stations, all of which are underground.
Shenyang Metro Line 4 held a groundbreaking ceremony on November 18, 2015, and construction started in September 2018. It is expected to start trial operation in December 2022, and the initial operation will be opened in the first half of 2023.
In 2021, Anyang Railway Equipment Co., Ltd(AT) provided M24 Tunnel Segment Bolts for Shenyang Metro Line 4.
The segment connection bolts are made of 45# steel, the strength grade of screw and nuts are 6.8, the special lining ring of screw and nut adopt high-strength bolts with strength grade of 8.8. All bolts and fittings are hot-dip galvanized.