3pe corrosion spiral shelf, 3pe corrosion spiral large supply, 3pe corrosion corrosion spiral coil processing 3pe shelf, 3pe corrosion spiral large supply, 3pe corrosion corrosion spiral coil processing 3pe shelf, 3pe corrosion spiral Large supply pipe, 3pe corrosion coil processing Q: Why do come Pipe Co., Ltd. Cangzhou Guanghui anticorrosive steel? A: The money Q: Why money? A: The bride asked: Why marry a wife? A: raw baby Q: Why born baby? A: Cangzhou Guanghui grow further to do anti-corrosion steel pipe Limited. Petroleum Engineering Technology Research Institute in the early introduction of 3PE coating technology, developed China's first acceptance 3PE coating construction in April 1995 and reference DIN30670-1991 NFA49-710 (1988 edition March), for the Shaanxi-Beijing pipes, Kushan pipeline construction. In the same year upgraded to industry standard SY / T4013-1995, summary and practice a few years after construction, the 2001 revision of SY / T0413-2002, and implemented with effect from 1 August 2002. The beginning of the standards, according to the actual situation in China, high density polyethylene, polyethylene-based, Vicat softening point to no less than 110 ℃; the thickness of the outer coating of the press to a low, medium density polyethylene-based German standards DIN30670-1991 to determine. Greatly improve the impact strength 3PE coating, to ensure construction quality and libraries Shan Shaanxi-Beijing pipeline pipeline, SY / T0413-2002 turn 3PE coating peeling strength, impact indicators significantly improved and clearly defined According to some of special carbon black content, to ensure that the mechanical strength and weather resistance 3PE coating and mending increased peel strength (ie, heat shrink, peel strength of steel primer shrink band) frequency sampling tests for Quality assurance pipeline external corrosion coatings make a contribution. 3 reliable research on the use of 3PE coating controversy occurred in the country, Petroleum Engineering Technology Research Institute under Beijing China Oil & Gas Ltd. commissioned to complete the "Safety Evaluation of Shaanxi-Beijing gas pipeline external corrosion 3 layer polyethylene coating structural systems" . The study included the collection of foreign literature to the pipeline from the outer coating of oil and gas excavation inspection Beijing China Ltd. 2001-2003 excavation carried out and the results are not checking the analysis, and the Shaanxi-Beijing pipeline unused open dumps in North China Petroleum Steel Pipe Factory 2-year and six-year anti-corrosion performance testing three 3PE polyethylene coating (3pe) is one of the current domestic and external corrosion of buried pipelines major technology system. It has good corrosion resistance, low water absorption, high mechanical strength performance in recent years in the domestic underground water, gas, oil gained on the road more widely used pipe. 3PE preservative: PE pipe corrosion three structures: the first layer of epoxy powder (FBE> 100um), the second layer of adhesive (AD) 170 ~ 250um, the third layer of polyethylene (PE) 1.8 ~ 3.7mm. Three materials blend to form a solid combination with steel excellent corrosion layer. 3pe corrosion steel pipe diameter range: Ф18mm-Ф2420mm, wall thickness of 3mm-20mm. 3pe anticorrosive steel Material: Q235B, Q345B, 10 # steel, 20 # steel, X42-X80 grade and so on. 3pe anticorrosive steel Executive Standard: GB / T23257-2009 "buried steel pipeline polyethylene coating technology standard" SY / T0413-2002 "buried steel pipeline polyethylene coating technology standards" DIN30670-91 German "steel pipe and pipe fittings polyethylene coating technology standard "CAN / CSA-Z245.21-M92 Canada" wall polyethylene pipe anti-corrosion coating technology standards "3pe anti-corrosion steel Uses: widely used in oil pipelines, gas pipelines, heating pipes, water pipes , buried pipelines. 3pe corrosion spiral shelf, 3pe corrosion spiral large supply, 3pe corrosion coil processing