Proceso de producción de tubería de acero con costura recta (LSAW) de soldadura por arco sumergido d...
Date:2019-04-03 Tags:Tubería de acero LSAW, proceso de producción de LSAW
In general, with the end of the "two sessions", the domestic coking coal production will be gradually released in the later period, but the coking co...
Date:2019-04-02 Tags:Can the double focus be improved at the end of the heating season?
From 2017 to 2018, as the downstream steel market gradually lost from loss to obvious profit, the ferroalloy industry has considerable profit margin...
Date:2019-04-02 Tags:Ferroalloy prices will be high in the near future
After the opening on March 20, the main contract of iron ore fell by nearly 5%, and the disk was always dominated by oscillations, with the largest ...
Date:2019-04-02 Tags:Iron ore main contract fell by nearly 5%
Precision spiral steel pipe is a kind of high-precision steel pipe after cold drawing or hot rolling. Because the inner and outer walls of precisio...
Date:2019-03-29 Tags:Steel pipe difference: the difference between precision steel pipe and spiral steel pipe
Burn-through and hydrogen-induced cracking in spiral steel pipe welding are hot topics at home and abroad. There are many influencing factors of ...
Date:2019-03-29 Tags:Influence of the thickness of spiral steel pipe on welding quality
With the continuous development of China's economy, the country vigorously develops the energy industry. Pipeline long-distance oil and gas pipeli...
Date:2019-03-29 Tags:What should be done on the surface of high-frequency anti-corrosion spiral steel pipe?
Skin turning of billets The steel billet is a process for removing the surface defects and scale of the round billet and processing the specified...
Date:2019-03-28 Tags:Brief introduction of spiral steel pipe billet processing content and equipment
The cut steel pipe is inspected according to technical requirements. The inspection includes checking the size and bending of each pipe and the qualit...
Date:2019-03-28 Tags:Spiral steel pipe manufacturers steel pipe size and quality inspection
There are many types of steel pipes and different uses, so their technical requirements are different and production methods are different....
Date:2019-03-28 Tags:Brief introduction to the manufacturing skills of spiral steel pipe manufacturers
The intermediate wave is formed at the side of the precision stainless steel strip and half of the center (1/4 inch from the side). The main reason...
Date:2019-03-27 Tags:Requirements for the use of precision stainless steel tubes
Since the surface of the stainless steel tube will form a thin protective film, although the protective film is about 3×10-6 mm, it is very tough. E...
Date:2019-03-27 Tags:Special properties of stainless steel tubes
The inner diameter of the stainless steel cylinder tube indicates the output force of the cylinder. The piston should slide smoothly in the cylinder...
Date:2019-03-27 Tags:Stainless steel cylinder tube has excellent performance characteristics
What are the main factors affecting the service life of anti-corrosion insulation steel pipe ?...
Date:2019-03-26 Tags:What are the main factors affecting the service life of anti-corrosion insulation steel pipe
What should I pay attention to in the transportation of anti-corrosion insulation steel pipe ?...
Date:2019-03-26 Tags:What should be paid attention to in the transportation of anti-corrosion insulation steel pip
