Shandong Polygram steel proxy Sumitomo, Kawasaki Steel, the German Mannesmann steel pipe imports power station, another production of seamless steel tubes and high quality alloy and high alloy pipe fittings, various types of high-pressure pipe fittings, elbow, tee a variety of high-pressure pipe, pipe size head varieties, caps and other structural pipe, fluid pipe, high pressure boiler tubes, alloy pipe, oil cracking pipe, fertilizer, low temperature pipe, gas pipe special ship tube, geological tube, 16MN steel, 16MN seamless steel pipe, 16Mn low-alloy pipe, 16Mn alloy tube, 12CrLMoV alloy tube, 12CrLMoVG high-pressure boiler tubes, etc., specifications, materials more complete, more than 13,800 tons of annual inventory. The company is ISO9001: 2000 international quality system certification and national pressure piping components manufacturing license registered enterprises, Sinopec, CNPC, the State Power Corporation online procurement units and the market of plant resources. Our annual sales of Tianjin, Baotou Steel, Baoshan Iron and Steel, Chengdu, Anshan Iron and Steel, Hengyang and other well-known brands and alloy seamless steel pipe. Shandong Liaocheng Polygram steel company to provide you with the relevant information needed steel pipe inspection: Different materials have different test methods, such as steel (divided carbon steel, alloy steel, stainless steel, etc.), sheet metal, steel, non-ferrous materials, its detection methods and content are different, the relevant inspection requirements of various materials in both standard and can be tested in accordance with the requirements of the standard, contracts, technical agreements, then there are configuration detection tools, test equipment, etc. and also restricting the test implementation, is to verify the arrival of seamless steel tubes, for example, said simply: 1, check the packaging: for damage, compliance with contracts, technical agreements and standards. 2. Check mark: Flag content is complete, complete, sign is clear and firm. 3, check the technical documents: whether the certificate, quality certificate and check specifications and lot number is consistent with the physical. 4. Check the appearance of the pipe (1) and external surface shall have a crack pipe, folded, rolled off, separation, hairline and scarring defects; (2) at both ends of the tubes shall be cut at right angles precision stainless steel tube manufacturers, and Clear burr; (3) shall not have serious pipe bending and deformation phenomena. (4) steel surface may not have serious corrosion phenomenon, the general corrosion should clean repaired. 5, check the pipe diameter, wall thickness, length, etc. should be consistent with the standard geometry, contract requirements. 6, roundness and wall thickness of pipe inspection uneven, and should not exceed 80% of the diameter and wall thickness tolerances. 7, if the conditions can be chemical composition, mechanical properties of detection. 8, if the conditions, according to the contract, the technical information, can be detected microstructure. Shandong Liaocheng Polygram Pipe Manufacturing Co. is a company specializing in the production and management of seamless steel tubes threaded, threaded seamless inside Baosteel produced large pot Ha materials circulation enterprises, the East pot, WBC dedicated internal thread, no standard threaded pipe In the steel industry has high credibility. The company has always been to service first, quality first, reasonable price, customer first, good service, sharing client, puerile, the principle of honesty and trustworthiness for the purpose. After years of operation, with the major steel mills have established a solid delivery system 309s precision stainless steel tube, with the use of units to establish a good sales system, the company's products have been used in many important projects, the implementation of warehousing, sales , billing one-stop service, the company chairman and staff warmly welcome new and old friends to visit, patronage, guidance, calls business negotiations, let us join hands to create brilliant! We always adhere to market-oriented, customer center and the quality of corporate lifeline 316l stainless steel precision tubes, in good faith for the administration of enterprises of the country, adhere to the principle of steady progress most serious, growing. Established a wide range of services in the industry system, and forming a North, South, and the country's distribution network. With good reputation, quality products, a strong, low price reputation more than 30 provinces, municipalities and autonomous regions, municipalities, the product won user dependent. Our quality policy is:. "To meet customer requirements, providing high-quality steel and high quality service, continuous improvement system, adhere to scientific and technological innovation" precision stainless steel tube plant, ultra-precision stainless steel tube (certified), precision stainless steel pipe from Shandong Liaocheng treasure Licking Pipe Manufacturing Limited. Shandong Liaocheng Polygram Pipe Manufacturing Co. (www.lcbljgg.com) (www.lcbljgg.com) (www.sdlcblj.com) (www.bljggzz.com) Shandong Liaocheng, wire, pipe, plate manufacturing equipment leaders, over the years, the company implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In Polygram steel leader with the staff warmly welcome all inquiries negotiations to create Polygram steel a better future. You can also access (www.lcbljgg.com/supply_details_39947610.html), for more information about the company.