News
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The domestic market rebounded steadily, and the international market continued to supply goods
Recently, the market prices of welded pipe and galvanized pipe in mainstream cities in China have remained stable, and some cities have dropped by 30 yuan / ton. As of press release, the average price of 4-inch *3.75mm welded pipe in China has fallen by 12 yuan / ton compared with yesterday, and ...Read more -
Stable price of seamless steel pipe
Today, the average price of seamless pipes in China is basically stable. In terms of raw materials, the national tube blank price today fell by 10-20 yuan / ton. Today, the quotations of mainstream seamless pipe factories in China are basically stable, and the quotations of some pipe factories co...Read more -
Steel pipe
seamless steel tube Seamless steel pipe is a kind of long steel with hollow section and no joints around. Seamless steel pipe has a hollow section and can be used as a pipeline for conveying fluids, such as oil, natural gas, gas, water and some solid materials. Compared with solid steel such as ...Read more -
Safety technical requirements for demolition of portal scaffold
After the construction of the project is completed, the scaffold can be removed only after it is checked and verified by the person in charge of the unit project and confirmed that the scaffold is no longer needed. A scheme shall be made for dismantling the scaffold, which can be carried out only...Read more -
Portal scaffold system
(1) Erection of scaffold 1) The erection sequence of portal scaffold is as follows: Foundation preparation → placing base plate → placing base → erecting two single portal frames → installing cross bar → installing scaffold board → repeatedly installing portal frame, cross bar and scaffold...Read more -
Portal scaffold
The portal scaffold is a standardized steel pipe scaffold composed of portal frame, cross support, connecting rod, buckle scaffold board or horizontal frame, lock arm, etc., and then equipped with horizontal reinforcing rod, cross bracing, sweeping rod, sealing rod, bracket and base, and c...Read more -
Development history of portal scaffold
Portal scaffold is one of the most widely used scaffolds in construction. Because the main frame is in the shape of “door”, it is called portal or portal scaffold, also known as Eagle frame or gantry. This kind of scaffold is mainly composed of main frame, cross frame, cross diagonal ...Read more -
Application of connector
Mechanical connectors are used to connect soft or hard pipes. The stainless steel reinforcement connector structure is composed of two reinforcement screw heads with the same specification and right-hand thread and a connecting sleeve with right-hand internal thread. One of the two rebars is a st...Read more -
The operation of China’s iron and steel industry is generally stable
China News Agency, Beijing, April 25 (reporter Ruan Yulin) – Qu Xiuli, vice president and Secretary General of China Iron and Steel Industry Association, said in Beijing on the 25th that since the beginning of this year, the operation of China’s iron and steel industry has been genera...Read more -
Precautions for ventilation of greenhouse in winter
temperature Because the temperature in winter is very low, we should first pay attention to the temperature when ventilating the greenhouse. When ventilating, we should observe the temperature in the greenhouse. If the temperature in the greenhouse is higher than the appropriate temperature range...Read more -
Galvanized green house pipe
Advantages of galvanized greenhouse pipe: 1. The service life of the framework of the galvanized steel pipe greenhouse is long, the surface of the galvanized steel pipe scaffold is smooth, and the shed film is not easy to be damaged, which prolongs the service life of the shed film. 2. Not easy t...Read more -
Introduction to square steel pipe
Square pipe is a name for square pipe and rectangular pipe, that is, steel pipe with equal and unequal side lengths. It is made of rolled strip steel after process treatment. Generally, the strip steel is unpacked, leveled, crimped and welded to form a round pipe, then rolled into a square pipe f...Read more
