Pipe virtue is virtue in Liaocheng City Pipe Co., Ltd., a subsidiary factory, specializing in large diameter thick wall LSAW pipe development, production, and sales. Factory located in Liaocheng City Development Zone, Airport Road, covering 200 acres, now has integrated management, pipe shop, the Finance Ministry, the Ministry of thick-walled steel equipment, quality management department, and other departments. College educated workers more than 90% buy thick-walled steel, professional and technical personnel dozens of people. The company now has two LSAW pipe production line can produce 350 --- 1420MM, wall thickness 6 --- 80MM, Length 6 --- 12 meters in diameter, steel grade 70 # or less submerged arc welded pipe oil and gas. Corrosion rust approach 16 Mn steel: According to 16mn seamless surface hardness, the original extent of corrosion, surface roughness, and coating types to choose abrasive, single layer of epoxy, two or three layers of polyethylene coating, mixed abrasive grit and steel shot blasting easier to achieve the desired effect. Abrasive particle size and ratio in order to obtain a better cleanliness and roughness uniform distribution of abrasive particle size and the ratio of the design is very important. Roughness of the coating is too easily lead to peak at anchor pattern thinning; and because deep anchor pattern in corrosion coating process is easy to form bubbles, seriously affect the performance of the coating. Roughness is too small will cause the coating adhesion and impact strength. For serious internal pitting Hunan thick-walled steel, not only by large particles of abrasive high impact, must also polished off by small particles of corrosion products to achieve the cleaning effect, while a reasonable mix design can not only slow down the pipe and nozzle abrasive ( blades) wear, abrasive and can greatly improve the utilization rate. Cleaning and preheat treatment prior to injection of thick steel, with a cleaning process for removing grease and fouling of the pipe surface, using the tube furnace preheated to 40 to a 60 ℃, so 16mn seamless surface remains dry. Thick-walled steel pipe industry _ virtues (certified) _ Limited provided by Liaocheng thick wall steel pipe industry virtues. Liaocheng virtue Pipe Co., Ltd. (www.meidegc.com) (www.meidegc.com) (www.mdwfg.com) (www.mdggc.com) Shandong Liaocheng, steel leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Industry leaders in the United States and Germany with the staff warmly welcome all inquiries negotiations to create the virtues pipe industry a better future.