According to data released by the National Bureau of Statistics (NBS), China's production of welded steel pipes rose slightly from July's 4.23 million tons to 4.44 million tons in August, reflecting improved demand. In August, the daily ...
Tags: Welded Steel Pipe, Construction
First, clearly that seamless steel pipe passivation of metal phase and solution phase is caused by the interfacial phenomena. It has been studied mechanical abrasion in the passive state on the influence of a metal. Experimental results ...
Tags: Seamless, Construction
It's reported that Russia-based steel pipe producer TMK said that its subsidiary TMK-INOX has acquired Moscow-based electric-welded stainless steel pipe production complex Arina. After the transaction, TMK-INOX will become the largest ...
Tags: Stainless Pipe, Construction
Frequency straight seam welded pipe induction system has a high production speed, the welding process is stable, good quality, which has been widely used in pipe production. The actual production of many factors affecting the quality of the ...
Spiral steel pipe quenching is a financial or fixed pipe rolling mill reduction machine (if the rolling mill machine shall be cut off tube machine placed in position and reducing cabin tubes and fixed effects) after rolling steel, water ...
Cold drawn seamless steel after annealing are necessary to stress, the residual stress of the materials is to improve the organization of materials, to improve the plasticity, thus preventing the breakage failure occurs seamless purposes. ...
Tags: Cold drawn seamless steel, steel
According to the State Statistics Committee of Russia (Russtat), in the first seven months of the current year Russia registered a 2.4 percent decline in its rolled steel product output to 33.8 million mt, a three percent decrease in its ...
Tags: January-July Production, Mineral
Welding pressure is one of the main parameters of the welding process, the two edges of the heating tube to the welding temperature, extrusion under pressure in a common that each crystal grain of the metal and the welding. Affects the size ...
Tags: Welded Pipe, Welding pressure, Welding, Processing Machinery
According to data released by the National Bureau of Statistics (NBS), China’s output of seamless steel pipes totaled 2.853 million tons in June, hitting a new record high. In June, the daily output of seamless pipes averaged at ...
Tags: Seamless Pipe, Mineral
According to data released by the National Bureau of Statistics (NBS), China’s daily output of welded pipes averaged at 150,333 tons in June, rising by 12% from a month ago and increasing by 6% year on year. In June, the ...
Tags: Welded Pipes, Mineral
The national bureau of statistics announced, in the first half of 2013 the Russian steel production fell 2.8% year on year, to 34.7 million tons. Iron production fell by 0.8%, to 25.1 million tons. Finished product rolling production fell ...
Tags: steel, Construction, steel pipe, steel products
According to data released by Ukraine's Cabinet of Ministers, Ukraine's steel pipe output totaled 847,700 tons in the first half of this year, slumping by 24.5% in comparison of the figures in the same period of a year ago. In the given ...
Tags: Steel Pipe, Construction
According to data released by the National Bureau of Statistics, China's output of seamless steel pipes totaled 2.74 million tons in May, rising by 16% year on year and increasing by 1.8% from the previous month. In May, the country's daily ...
Seamless transported to a cold bed to cool after perforation, rolling, reeling, sizing, and other hot-pressure processing step. Pipe type cooling bed to use the workshop are: rack type cooling bed, spiral type cooling bed, step-cooling bed ...
The size of the stress in the workpiece martensite transformation zone is cooling rate, shape, chemical composition and other factors. Large diameter steel pipe production process is generally a result of these processes: heating, ...
Tags: Cooling Technology, Structure, Manufacturing&Processing Machinery