 
Two ways of welding high-frequency straight seam welded pipe units: contact welding and induction welding. ...
Date:2019-03-04 Tags:Two ways of welding high frequency straight seam welded pipe unit
 
Drainage straight seam steel pipes, sewage pipes, and drainage pipes are systems consisting of pipe channels that collect and discharge sewage, waste...
Date:2019-03-01 Tags:Drained straight seam steel pipe
 
Large diameter steel pipe can be used for straight seam pumping sand used, taking widely used in sand mining machinery, dredging, salt extraction, Cha...
Date:2019-03-01 Tags:Large diameter straight seam steel pipe can be used as sand pumping steel pipe
 
Purchasing this industry should be relatively rich, but it is also very difficult to do. They also carry a lot of hardships. The materials that come o...
Date:2019-03-01 Tags:Points to pay attention to in the purchase of straight seam steel pipe
 
Technical requirements and quality inspection of straight seam pipe According to the standard of GB3092 "welded steel pipe for low pressure fluid tran...
Date:2019-03-01 Tags:Technical requirements and quality inspection of straight seam pipes
 
Large-diameter straight seam steel pipes can be used as dredging pipes , which are mainly used to clean steel pipes conveying sediment, mud and other ...
Date:2019-03-01 Tags:What is a dredging pipe?
 
What is a petroleum steel pipe? The petroleum steel pipe is a long steel with a hollow section and no joints around, and the petroleum cracking pipe i...
Date:2019-02-28 Tags:What is a petroleum steel pipe?
 
What are the precautions for using oil casings? The oil casing is used to support the oil and gas well walls to ensure the normal operation of the ent...
Date:2019-02-28 Tags:What are the precautions for using oil casings?
 
The history of oil casing development. After nearly 20 years of hard work, China's oil casing production has gone from scratch, from low price to high...
Date:2019-02-28 Tags:Oil casing development history
 
What is the type of line pipe tempering? According to the performance requirements of pipeline steel pipes, depending on the tempering temperature, te...
Date:2019-02-28 Tags:What is the type of line pipe tempering?
 
Structural performance comparison of seamless steel tubes. Carbon structural steel pipe: This kind of structural steel pipe is generally smelted by co...
Date:2019-02-28 Tags:Performance comparison of structural seamless steel tubes
 
The application of galvanized flat steel has also expanded correspondingly with the development of industry and agriculture. Therefore, the enterprise...
Date:2019-02-27 Tags:The difference between galvanized flat steel and galvanized round steel
 
The main difference between different hot-dip galvanizing methods is how to activate the surface of the tube after acid leaching to improve the qualit...
Date:2019-02-27 Tags:How galvanized steel pipe is galvanized
 
Ellipse area formula S = ∏ (pi) × a × b (where a, b are the long semi-axes of the ellipse and the length of the short semi-axis respectively). Then th...
Date:2019-02-27 Tags:Calculation method of galvanized pipe weight
 
The difference between the manufacturing process of galvanized pipe and galvanized steel pipe: galvanized steel pipe and hot-dip galvanized square pip...
Date:2019-02-27 Tags:The difference between galvanized pipe and galvanized steel pipe