News
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What are the common faults of the straight seam welded pipe unit
There are relatively many failures of straight seam welded pipe units, and the causes of failures are also relatively complicated. Often one result is caused by multiple reasons, or one cause can cause several results. Below we briefly describe the more common faults of straight seam welded pipe ...Read more -
Weld quality failure of high frequency ERW tube mill
Lap welding Lap welding refers to the dislocation bonding formed after the two sides of the tube blank are stacked together. In terms of length, lap welding can be divided into long and short, and the general length of lap welding is generally more than several meters, or even longer. In terms of...Read more -
Tengdi technical requirements for a hot saw
Our requirements for heat saws: Low noise, isolation and absorption. The front and rear guide sleeves improve the quality of the nozzle and remove the tail. The bottom of the saw cover is slope-shaped, and the slope is larger. Add a water blowing mechanism to clean the iron filings at the botto...Read more -
Matters needing attention in the operation of tube mill/slitting machine/cross-cutting machine
1. Safe use ● Safe use must be an integral part of the risk assessment system. ● All employees have to stop any tasks and operations. ● A safety improvement suggestion system must be established for employees. 2. Guardrails and signs ● Signs must be prevented at all access points in the facilit...Read more -
The carbon peaking plan for the steel industry is about to come out. How can green finance help the transformation?
The carbon peaking plan for the steel industry is about to come out. On September 16, Feng Meng, deputy director of the Raw Materials Industry Department of the Ministry of Industry and Information Technology, said at a press conference that in accordance with the overall deployment of carbon pea...Read more -
Review of China’s Welded Pipe Price Trend in 2021
Since the beginning of January, the starting point of welded pipes has been at the high level of the same period in recent years. In the first quarter of this year, the price of welded pipes began to rise continuously under the environment of double monetary and fiscal easing in various countries...Read more -
Definition and classification of welded steel pipe
Welded steel pipe, also known as welded pipe, is a steel pipe made of steel plate or steel strip after being crimped and welded. Welded steel pipe has a simple production process, high production efficiency, many varieties and specifications, and less equipment, but its general strength is lower ...Read more -
Influence of Hot Rolled Coil Quality on Forming and Welding of HFW Pipe
In recent years, using hot-rolled coils as raw materials, the process of HFW high-frequency welding + thermal tension reduction + full tube body heat treatment has been widely used to produce high-precision, high-grade steel casings. In production applications, it is found that the quality of hot...Read more -
China’s iron and steel industry authority organization’s summary of China’s iron and steel industry trends in the first week of August
Website – My Steel: The contradiction of main varieties has been significantly alleviated under the continuous decline of molten iron, the mismatch between supply and demand in steel mills, and the inventory of long products and flat products in the market has dropped significantly. In the ...Read more -
Innovations and efforts made by TENGDI MACHINERY for the pipeline industry to achieve carbon peaking and carbon neutrality
The innovation and efforts made by TENGDI Machinery for the pipeline industry to achieve carbon peak and carbon neutrality goals. As a highly industrialized country, China’s carbon emissions are mainly concentrated in power generation and industrial sectors. In order to achieve “carbo...Read more -
The world’s first CT150 coiled tubing set off from Baoji Steel Pipe
At 11:00 am on June 15th, with the starting order of Shu Gaoxin, executive director and party secretary of the company, the world’s first CT150 coiled tube with the highest strength level, condensed with the wisdom and sweat of Baoguan people, set off from the birthplace of welded pipes in ...Read more -
Common Faults and Maintenance Methods of Flying Saw
1.The flying saw trolley cannot be stopped when it returns to its original position, causing the gear rack to disengage, which is the open circuit damage or short-circuit of the in-situ induction switch. 2. The saw car does not return after the pipe saw is broken and the table saw is caused by th...Read more