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
The galvanized square tube belongs to the price transition period. The focus of the government regulation is still to adjust the surplus under the pre...
Date:2019-02-27 Tags:The price of galvanized square tube is in the transition period
Perforation is the first process of deformation of hot-rolled seamless steel pipe, and its function is to pierce the solid tube blank into a hollow ca...
Date:2019-02-26 Tags:Tube blank perforation process
Steel structure refers to a structure mainly composed of steel materials and is one of the main types of building structures. The structure is mainly ...
Date:2019-02-26 Tags:13 big problems that are easily overlooked in steel structure welding
The steel market continued its rebound last week. In addition to the weak and weak market, other major varieties of construction steel continued to r...
Date:2019-02-26 Tags:Q345 I-beam prices play a role in promoting the continued recovery of the steel market in the later
Q345 channel steel price market traditional sales season, and because of the "golden nine" market failure, the market will habitually think that the d...
Date:2019-02-26 Tags:Q345 channel steel price market traditional sales season
High-quality resources are tight and the price is high. Some mines have increased mine use, mine sales are better, traders are more active, and small ...
Date:2019-02-26 Tags:Q345 channel steel will increase its fiscal policy while maintaining a loose monetary policy
The laser cutting process of petroleum screens has obvious advantages and can be used in the cutting process of many products. Hebei Rui Nair Petro...
Date:2019-02-25 Tags:The advantages of laser cutting process for oil casing screens are obvious
The main dip dyeing of the drilling screen is to prevent sand. Because of the geology where the oil is mined, the steel grade and type of the unsu...
Date:2019-02-25 Tags:Introduction to drilling oil casing screen
Although the J55 oil casing market has an obvious upward trend, domestic injection coal prices are still quoted lower. It is reported that the avera...
Date:2019-02-25 Tags:J55 oil casing market has an obvious upward trend
