Liaocheng Goldman Sachs Pipe Co., Ltd. specializes various material specifications of seamless steel tubes, thick-walled pipe, large diameter steel pipe factory direct 5310 large diameter thick wall steel pipe plant, timely delivery, welcome to discuss cooperation. Service Mission: come without package loss, not loading goods are not satisfied, after finishing the procedures payments. Seamless quality test methods: chemical analysis: chemical analysis, instrumental analysis method (C-S-infrared instrument, direct reading spectrometer, zcP etc.). Pipe geometry and appearance inspection: ① pipe wall thickness check: micrometer, ultrasonic thickness gauge, ends not less than 8:00 and recorded. ② pipe diameter, ovality check: calipers, vernier caliper, ring 35crmo large diameter thick wall steel pipe plant, the measured maximum points and minimum points. ③ pipe length check: steel tape, manual, automatic length measurement. ④ pipe bending degree examination: ruler, level-foot (1m), feeler, thin measuring curvature per meter, length of curvature. ⑤ pipe end face bevel angle and blunt edge inspection: Square, card board. Liaocheng Goldman Sachs Pipe Co., Ltd. specializes various material specifications of seamless steel tubes, thick-walled pipe, large diameter steel pipe of large diameter thick wall steel pipe, factory direct, timely delivery, welcome to discuss cooperation. 1, high school low-pressure boiler tube material: 20G, 15CrMoG, 12Cr1MoVG, WB36,10CrMo910, T91, P91, Cr5Mo, Cr9Mo standards: GB5310-2008, GB3087-2008, ASME, SA106, ASME210, ST45.8-1112, low temperature piping with steel Material: Q345 (ABCDE), 16Mn (ABCDE), 16MnDR, 16MnDG, 10MnDG, 09DG, 09Mn2VDG, 06Ni3MODG, A333Gr1, A333Gr2, A333Gr3, A333Gr4, A333Gr5, A333Gr6, A333Gr7, A333Gr8, A333Gr9, A333Gr10, A333Gr11 5310 large diameter thick-walled steel plant, Guizhou large diameter thick wall steel pipe, steel pipe for Goldman Sachs provided by Liaocheng Steel Pipe Co., Goldman Sachs. Liaocheng Steel Pipe Co., Goldman Sachs (www.gg986.com) (www.16mn986.com) strong, credible, Liaocheng in Shandong steel industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Goldman pipe into the brilliant and you work for a better future!