The water supply of the room is important to adopt steel and conical steel pipes to cause “secondary pollution” in pipeline transportation. In daily l...
Date:2019-03-04 Tags:Double-sided submerged arc welding straight seam steel pipe without corrosion, no leakage
1. Apparent requirements for straight seam steel pipe welds Before the non-destructive testing of straight seam steel pipes, the inspection of the wel...
Date:2019-03-04 Tags:Non-destructive testing of straight seam steel pipe
Acceptance 1.1 The quality inspection and acceptance of straight seam steel pipes shall be carried out by the technical quality supervision departme...
Date:2019-03-04 Tags: The acceptance of straight seam steel pipe is subject to special regulations according to product s
The high-frequency resistance welded steel pipe is different from the ordinary welded pipe welding process. The weld is made of the base material of t...
Date:2019-03-04 Tags:Introduction of welds of high frequency resistance welded steel pipes
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
