In order to respond to customers' needs for long bridge projects, which are expanding all over the world, we have developed products with the world’s highest strength up to a 2.0GPa grade using our original process (DLP™).
Strength (GPa) |
Wire diameter |
Standards | Steel type | Achievements | ||
---|---|---|---|---|---|---|
Category | C% | Mn% | ||||
1.7 | 5mm | SWRS82B | JIS steel | 0.82 | 0.75 | |
7mm | SWRS82B | 0.82 | 0.75 | |||
1.8 | 5mm | S82BM | Developed steel (high silicon steel) |
0.82 | 0.75 | (Akashi Kaikyo Bridge) |
7mm | S87BM | 0.87 | 0.75 | |||
1.9 | 5mm | S87BM | 0.87 | 0.75 | Proposed in | |
7mm | S92AM | 0.92 | 0.45 | (Hong Kong-Zhuhai-Macau Link Road) |
||
2.0 | 5mm | S87BM/S92AM | 0.87/0.92 | 0.75/0.45 | Proposed in | |
7mm | S97AM | 0.97 | 0.45 | Proposed in |
In-line heat treatment enables omission of the heat treatment (LP, lead patenting) process on the customer’s side. In addition, this enables manufacturing of a highly-balanced wire rod with strength, toughness and ductility using the method excellent in productivity and environmental response.
Total weight of bridge steel (by wire strength)
(1)Project name |
Hong Kong-Zhuhai-Macau Link Road A large project of road with a length of about 36km (China side: about 30km, Hong Kong side: about 6km) linking Hong Kong and Macau. The bridge part is 21.8km long and the cable stayed bridge part is 1.5km long. |
(2)Applied products | wires for mono-strand cable for cable stayed bridge [Standard: S92AM Wire diameter: Φ7mm Strength: 1.9GPa] |
(3)Applied amount | about 1,000 t |
Bridge name | Cable | Type | Tower | Span |
---|---|---|---|---|
Jianghai Direct Vessel Navigation Bridge | 7mm 1.9GPa grade |
Three-tower cable stayed bridge One suspension, Box Girder |
Metal tower | Total: 774 m 129m+258m+258m+129m |
Qingzhou Vessel Navigation Bridge | 7mm 1.9GPa grade |
Two-tower cable stayed bridge Two suspension, Box Girder |
RC tower | 458m |
Ranking | Bridge name | Center span/m | Country | Year of completion | Application of Nippon Steel material |
---|---|---|---|---|---|
1 | Akashi Kaikyo Bridge | 1,991 | Japan | 1998 | |
2 | Zhoushan Xihoumen Bridge | 1,650 | China | 2009 | |
3 | Great Belt East Bridge | 1,624 | Denmark | 1998 | |
4 | Izmit Bay Bridge | 1,550 | Turkey | 2016 | |
5 | Yi Sun-sin Bridge | 1,545 | South Korea | 2013 | |
6 | Runyang Yangtze River Bridge | 1,490 | China | 2005 | |
7 | Fourth Nanjing Yangtze Bridge | 1,418 | China | 2012 | |
8 | Humber Bridge | 1,410 | England | 1981 | |
9 | Third Bospolas Bridge | 1,408 | Turkey | 2016 (scheduled) | |
10 | Jiangyin Yangtze River Bridge | 1,385 | China | 1999 |
Ranking | Bridge name | Center span/m | Country | Year of completion | Application of Nippon Steel material |
---|---|---|---|---|---|
1 | Russky Bridge | 1,104 | Russia | 2012 | |
2 | Sutong Yangtze River Bridge | 1,088 | China | 2008 | |
3 | Stonecutters Bridge | 1,018 | China | 2009 | |
4 | Edong Yangtze River Bridge | 926 | China | 2010 | |
5 | Tatara Brige | 890 | Japan | 1999 | |
6 | Normandy Bridge | 856 | France | 1995 | |
7 | Jiujiang Yangtze River Bridge | 818 | China | 2013 | |
8 | Jingyue Yangtze River Bridge | 816 | China | 2010 | |
9 | Incheon Bridge | 800 | South Korea | 2009 | |
10 | Zolotoy Bridge | 737 | Russia | 2012 |