Xinzheng steel sleeve steel tube promotions

The steel pipe anticorrosive and heat-insulating foam jacket molding technology was developed in the early 1980s by experts from the former Ministry of Petroleum Infrastructure and organized a visit to Canada to promote new technologies in domestic oilfields, and based on the foreign “two-step” molding process, In 1983, the Shengli Oil Field Technology Institute of Petroleum Construction Technology first introduced the "one-step method" molding technology, that is, steel piping foam anti-corrosion and thermal insulation molding technology and external insulation jacket layer formed once, we call this "one-step method" operation. The success of this process technology has not only improved the operating efficiency, but also greatly saved materials, reduced costs, facilitated construction, and soon this technology has been promoted in the country's oil fields, and it has won Shandong Top Ten Science and Technology Achievements, 1985 Obtained the national invention patent in the year, until now, domestic does not have "one step law" the technology come out.

Our factory produces and sells 219-2420X3.5-20mm spiral steel pipe, the product adopts the American Lincoln welding machine automatic double-sided submerged arc welding, the implementation of international GB/T9711.1--1997 and oil and gas industry standard SY/T5037-2000, SY/T5040-92 is produced and equipped with X-ray, ultrasonic and hydrostatic pressure for full-line automatic detection. This product is widely used in tap water engineering, petrochemical industry, chemical industry, electric power industry, agricultural irrigation, urban construction, is China's nine One of the 20 key products of the decade.

Electric Car Transmission Bearings has a high load carrying capacity, and is able to withstand a certain degree of axial impact load. Need to ensure the service life of bearings under a high load. Initially, beariings lubricated by grease, and later use oil to lubricate, Sealing oerformance requirements are relatively not very high, but not allow iron and aluminum scrap entering bearings.

Electric Car Transmission Bearings

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