Project Cases
 We produce the spiral submerged arc welded steel pipe with different wall thicknesses and the external diameter ranging from 219mm to 3600mm in line with the standards of SY/T5037-2000 and GB/T9711.1-1997. The grade of the adopted steel material is Q235, Q345, 10#, 20#, 16Mn, L245, L290, L360 as well as X42 to X70. The product is extensively applied for long distance delivery in the fields of natural gas, petroleum, chemical engineering, electric power, thermal power, water supply and drainage, steam heating, hydropower station and thermal power as well as for pipe piling, bridge, steel structure, etc.
Projects in China
No. User Project Name Material Main Product Executive Standard
1 Shandong Hongfeng Electromechanical Equipment Co., Ltd. Machine Part Q235B 630×10mm 478×10 Spiral Steel Tube SY/T5037-2000
2 Liaoning Chuanghui Metallurgical Equipment Co., Ltd. Machine Part Q235B 2120×12mm Spiral Steel Tube SY/T5037-2000
3 China Nuclear Engineering Group Corporation Chemical Project Q235B 426×8 Spiral Steel Tube GB/T9711.1-1997
4 Yinchuan Shenhua Group Construction Project Q235B 630×10 914×20mm Spiral Steel Pipe SY/T5037-2000
5 Shanghai Dingli Import and Export Trade Co., Ltd. Export Trade Q235B 273×6mm 690×14mm Spiral Steel Pipe SY/T5037-2000
6 CNPC Jilin Chemical Industry Group Water Delivery Engineering Q235B 1220×10mm 1720×16mm Spiral Steel Tube GB/T9711.1-1997
7 South-to-North Water Transfer Project in Hebei Province Pipeline Project Q235B 2020×22mm Spiral Steel Tube SY/T5037-2000
8 Zibo Urban Gas Engineering Co., Ltd. Gas Pipeline L245 477×7mm 360×10mm Anticorrosion Spiral Steel Tube GB/T9711.1-1997
9 Anhui Fude Steel Structure Co., Ltd. Pile Shaft Engineering Q345B 720×14mm 820×14mm Spiral Steel Pipe SY/T5037-2000
10 Penglai Bohai Pipeline Gas Co., Ltd. Gas Pipeline L245 528×10mm Spiral Steel Tube GB/T9711.1-1997
11 Qingdao Iron and Steel Group Co., Ltd. Export Trade X42 630×10mm Spiral Steel Tube GB/T9711.1-1997
12 Xibaipo Power Generation Co., Ltd. Thermal Insulated Steel Pipe Q235B 426×9 Thermal Insulated Spiral Steel Pipe GB/T9711.1-1997
13 Hebei Dabenying Energy Technology Co., Ltd. Anticorrosion Steel Pipe 20# 328×8mm 410×10mm Anticorrosion Spiral Steel Tube SY/T5037-2000
14 Huanghua Gas Co., Ltd. Gas Pipeline L245 630×12mm 720×12mm Anticorrosion Spiral Steel Tube GB/T9711.1-1997
Abroad Projects
Country Products Date
Turkey 80pcs concrete pump rubber hoses, 600 orange concrete balls and 100 clamp couplings June, 2011
Brazil 100 pistons, 50 elbows and 200 concrete pump pipes August, 2011
Canada 5 concrete placing booms, 400 concrete pump pipes, 100 elbows and 200 clamp couplings April, 2012

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