The signature of the river workers' thousand people was collected by the Chinese People's Anti-Japanese War Memorial Hall.
Spiral steel pipes are made by steel coil, extrusion forming under the normal temperature, then taken the technology of double wire and double-faced submerged-arc welded.
During molding process of spiral welded steel pipe, steel plate has uniform deformation and light residual stress, thus the surface has no scratches. Spiral Steel Pipe has more flexible thicknesses and diameters, especially in making high-grade thick pipes with small or medium aperture, these techniques has incomparable advantages in satisfying your needs.
Application:
Spiral steel pipe is mainly used in public waterworks, petrochemical industry, chemical industry, electric power industry, agricultural irrigation and urban construction etc.
For liquid transportation: water supply, drain water, petroleum transportation, etc.
For gas transmission: coal gas, steam, liquefied petroleum gas, gas etc.
For structure: piling, bridge, wharf, road, architectural structure, etc.
Material:
Q235A, Q235B, 10#, 20#, Q345(16Mn), L245(B), L290(X42), L320(X46), L360(X52), L390X56), L415(X60), L450(X65), L485(X70), L555(X80), L290NB/MB(X42N/M), L360NB/MB(X52N/M), L390NB/MB(X56N/M), 415NB/MB(X60N/M), L450MB(X65), L485MB(X70), L555MB(X80)
Packaging Details
Plastic caps on both ends, Steel bundle, Woven bag or acc. to customers' request.
Delivery Time
15 days after receiving deposit
If you have any questions, please contact with us directly and welcome you can visit our Factory.
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This year marks the 70th anniversary of the victory of the Chinese People's War of Resistance Against Japanese Aggression. In order to deeply remember this history, the teachers and students of the School of Materials Science and Engineering issued an initiative to the society and the teachers and students of the whole school, and organized a “finding path†to commemorate the 70th anniversary of the victory of the Anti-Japanese War. With the theme of “Footprint and Inheritance of Revolutionary Spiritâ€, we will go to Yangquan, Beijing, Zaozhuang and Nanjing in the four provinces of Shanxi, Hebei, Shandong and Jiangsu, and carry out activities such as studying and researching the anti-Japanese war sites, visiting the anti-war veterans, and carrying forward the revolutionary spirit. Carry forward the practice of socialist core values. This event is also the third event of the “Pathfinding†team since its establishment in 2013.
On September 1, 2014, the State Council announced the first batch of national-level anti-war memorial facilities and sites. The “Pathfinder†team of the School of Materials visited the Chinese People’s Anti-Japanese War Memorial Hall, Lugou Bridge, and the Hundred Regiments Memorial Hall. Tengzhou Martyrs Cemetery, Railway Guerrilla Memorial Park, Nanjing Anti-Japanese Air Martyrs Memorial Hall, and the Memorial Hall of the Nanjing Massacre Victims of the Japanese Invaders, a total of 7 national anti-Japanese war sites, earnestly studied the history of the Chinese Anti-Japanese War, and in the Tengzhou Martyrs Cemetery and Zaozhuang Changzhuang Town of Changzhou City held a ceremony for the establishment of social practice bases and established a social practice base to lay a solid foundation for the development of patriotism education in the future.
At the same time, the “Pathfinder†team of the School of Materials held the anti-war history preaching and the signature activities of thousands of patriots in the anti-war sites and plazas of various places, attracting a large number of tourists to sign on the propaganda banner of “remembering the anti-Japanese war and inheriting the revolutionary spiritâ€. Mingzhi. The team members gave the people the anti-Japanese war history page and explained it carefully, calling on people to remember history and not forget the national humiliation. In the Tengzhou Martyrs Cemetery and the Nanjing Anti-Japanese Air Martyrs Memorial Hall, the revolutionary martyrs were honored. The team members presented flowers in front of the tombstones of the martyrs. Together they greeted the veterans of the war, firmly raised their right fists, solemnly swearing, and must remember the history and not forget the national humiliation. Commend the anti-Japanese martyrs, inherit the revolutionary spirit, and strive to be promising young people.
In addition, the “Finding Roads†team of the School of Materials visited 13 members of the Anti-Japanese War veterans such as Liu Youbiao, Kang Yuxian, He Zhide, Qi Hanzhong and Lu Nengyi, listened to the stories of veterans’ memories, learned the history of the war, and cleaned the room for veterans. Volunteer service activities to bring warmth and comfort to veterans.
The event was widely acclaimed by the society, and was also received by People's Daily Online, Yangguang.com, China Youth Net, Chinanews.com, Sohu.com, Netease, China Search, China Culture Media Network, China News, Henan Daily, Henan Youth Daily, Shanxi. The Youth Daily has hundreds of reports from dozens of media outlets. The signature of thousands of people in the event gathered the signatures of representatives from all walks of life. The banners were also donated to the Chinese People's Anti-Japanese War Memorial Hall in the later period of the event, and recently received the collection certificate of the Chinese People's Anti-Japanese War Memorial Hall. (School of Materials Science and Engineering, Writer: Wei Xueqin, Fu Lixin, Reviewer: Ma Wugang)
Spiral steel pipe
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