Liaocheng in Shandong Steel Pipe Manufacturing Co. Polygram perennial sales agent in Shandong, Cheng Gang, Steel, Bao, saddle, Ye, day, Hengyang Steel and other major steel production plants: 10 #, 20 #, 45 #, 16Mn, Q345B , 27SiMn, 40Cr, 20Cr, 20CrMo, 35CrMo, 42crmo, 20crmnTi, 15crmo, 12Cr1MoV, 10CrMo910, T91, P91 and other materials seamless steel pipe, high pressure boiler pipe, oil cracking pipe, imported alloy pipe, bearing steel and long-term sales various profiles beam, angle 57 * 3.5 seamless, H steel seamless pipe, channel, such as sheet metal;; various Q235B, Q345B and other welded pipe, spiral pipe and geology, pipelines, chemical, power and other special pipe company All products in strict accordance with the national standard 4 * 0.5 seamless, absolute guarantee quality, corrosion may enter into contracts for the supply of seamless steel tubes, steel is definitely your first choice for purchasing. Precision seamless Process Description: high quality carbon steel, refined pull, no oxidation of bright heat treatment (NBK state), non-destructive testing, pipe wall scrubbing equipment and after high pressure washing, anti-rust oil for rust on steel processing, sealed at both ends Cover for dust treatment. Main features: high precision, good finish, after heat treatment steel inside and outside the wall oxide layer, the inner wall of cleanliness is good, steel to withstand high pressure, cold deformation, flaring, flattening without cracks, can make a variety of complex deformation and mechanical processing . Steel Color: light gray with white main purposes: hydraulic systems with steel, automotive steel, other steel tube precision, finish, cleanliness, there are areas of high mechanical performance requirements. Liaocheng in Shandong Steel Pipe Manufacturing Co., Ltd. annual Polygram Main Material: 10 #, 20 #, 20G, 35 #, 45 #, 60 #, 70 #, 27SiMn, 16mn, Q345B / C / D / E, 20Cr, 30Cr, 35Cr, 40Cr, 45Cr, 50Cr, 38crsi, 12cr2mo, 15CrMo, 15mo3,12Cr1MoV, 12CrMoV, 20CrMo, 35CrMo, 42CrMo, 20Mn2,40Mn2,45Mn2,37Mn5,20G, 20MnG, 25MnG, 12CrMoG, 15CrMoG, 12Cr1MoVG, 12Cr2MoG, 10CrMo910, 12Cr2MoWVTiB, 13CrMo44,1Cr5Mo, 1Cr9Mo, ASTM A335P91, T91, P92, T92, T23, T5, P11, P12, P22, T22, T12, T11. Executive GB: GB / T8162-99 structure tube, GB / T8163-99 fluid pipe, GB / T3087-99 low pressure boiler tubes, GB / T5310-95 high pressure boiler tubes, GB / T6479-2000 fertilizer dedicated pipe, 27SiMn hydraulic support pipes, high alloy pipe, GB / T9948-85 oil cracking pipe GB9948-88, geological drilling pipe YB235-70, automobile axle casing YB / T5035-96 other standard seamless steel pipe, my company's existing inventory More than 16,000 tons, more than 1,000 varieties you buy! 4 * 0.5 seamless steel pipe | seamless steel pipe length (certified) | seamless steel pipe provided by the Shandong Liaocheng Steel Pipe Manufacturing Co. Polygram. Liaocheng in Shandong Steel Pipe Manufacturing Co. Polygram (www.lcbljgg.com) (www.lcbljgg.com) (www.sdlcblj.com) (www.bljggzz.com) quality of service and products, constantly exposed to new and old customers and recognition and trust in the industry. Our company is a certified member of the whole alliance network operators, business alliance customer service icon on the page, you can talk directly with our customer service staff, to our future cooperation happy!