Guangzhou Hongda Steel Tube Co., Ltd. was established in 1998, is South China's largest professional production and sale of carbon steel seamless pipe and stainless steel seamless pipe industry and trade enterprises, with an annual output of 100,000 tons of carbon steel seamless pipe, with an annual output of more than 10,000 tons of stainless steel seamless device capabilities, for many years with more than 20,000 tons of cash. Product performance standards have GB, American standard, Japanese standard and German standards, used in petrochemical, coal, electric power, boilers, machinery, military and other fields. The company for 16 consecutive years was named Guangdong Province, "Shou contract, re-credit" of the enterprise, is oil on the 1st Chinese suppliers, Chinese petrochemical supplier framework agreement, China National Offshore Oil tier suppliers. The company is headquartered in Guangzhou Tianhe Sports Center next to the downtown area, convenient transportation, subway and bus BRT downstairs in the company, personnel exchanges is very convenient. The factory is located in Huangpu District, Guangzhou City, near the Huangpu Port and railway stations, construction area of ??40,000 square meters, with large equipment Ф133 hot-rolled seamless pipe production line, Ф50 puncher, Ф100 perforation unit each one, cold-rolled, cold pull strip production line 22 production facilities. To ensure the quality of products, the company targeted the eddy current testing, ultrasonic testing machines, tubing and casing pressure testing machine and laboratory equipment and laboratory. Product specifications Ф6-426mm, wall thickness 0.5-25mm, the company for many years production structure, fluid used, heat exchangers, carbon steel and special requirements of high-pressure boiler seamless pipe and stainless steel seamless pipe. Products made the country's industrial production permit and People's Republic of China special equipment manufacturing license Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China issued and passed ISO9001: 2008 quality system certification, ISO14001: 2004 Environmental Management System Certification, BSOHSAS1800T- 2007 Occupational Health and Safety Management System Certification, Germany AD2000-merkblatt wO / TRD100 certificate issued by the American Petroleum Institute and the API-5L, APL-5CT certificate. The company has a good reputation, sophisticated production technology, quality products, short delivery time, according to customer requirements. Hongda people adhering to the "unity, dedication, pioneering and enterprising" spirit of enterprise to provide you with superior products, superior service, welcome new and old friends, customers letter calls come visit us. We sincerely hope to establish long-term cooperative relationship with you, mutual benefit and common development. We advocate no best, only better. Guangzhou Hongda Steel Tube Co., GUANGZHOU HONGDA STEEL TUBE CO, LTD table a cash resources, carbon steel seamless pipe (grades 10 #, 20 #, 35 #, 45 #, Q345B (16Mn), 20G; Standard: GB / T8162-2008, GB / T8163-2008, GB3087-2008, GB5310-2008) Specification (mm) Size (mm) Size (mm) Size (mm) Size (mm) Size (mm) outside diameter × wall thickness OD × diameter × thickness of the wall thickness of the wall thickness of the outer diameter of the outer diameter × thickness × diameter × thickness of 14-15 × 2.0-3.73 26.7-27 × 2.0-8.74 46-47 × 2.0-10.3 63-66 × 2.0 -11.0 203 × 8.0 366 × 9.5 16.0 × 2.0-4.3 28-29 × 2.0-8.74 48-51 × 2.0-11.0 67-69 × 2-15.0 219-219.1 × 6-30 377 × 8.0-16.0 17.0 × 2.0- 4.85 30-32 × 2.0-9.7 52-54 × 2.0-11.0 70-76 × 2-17.0 245 × 7.0-20.0 406 × 10.0 17.1-18 × 2-5.56 33-35 × 2.0-9.7 55-56 × 2.0- 11.0 77-83 × 3-26.0 273 × 6.0-22.0 426 × 8.0-17.0 19.0 × 2.0-5.56 36.0 × 2.0-9.7 57.0 × 2.0-11.0 84-114 × 3-26.0 299 × 10.0 457 × 9.0-14.0 20- 21 × 2-5.56 37 × 2.0-9.7 58-62 × 2.0-11.0 115-168 × 3.38-26.0 323.9 × 9.353 480 × 8.0-14.0 21.3-22 × 2-7.47 38-40 × 2.0-9.7 63-66 × 2.0-11.0 180 × 6-16.0 325 × 6.5-20.0 508 × 9.5-15.0 23-24 × 2-7.47 41.0 × 2.0-10.3 67-69 × 2.0-15.0 193.7 × 6.0 351 × 9.0 530 × 9-16.0 25- 26 × 2.0-7.47 42-45 × 2.0-10.3 70-76 × 2.0-17.0 194 × 12.0 356 × 8.0-11.0 630 × 10.0-14.0 two, carbon steel round bar Grade Specification Weight (T) Origin Grade Specification Weight ( T) Origin 10 # Ф50-Ф150 800 Xiangtan Iron and Steel, Baotou Steel 45 # Ф50-Ф150 300 WISCO 20 # Ф50-Ф150 3000 Tianjin, Steel, Xiangtan Steel 20G Ф55-Ф130 800 Baotou Steel, Steel 35 # Ф50 -Ф150 500 WISCO Q345B (16Mn) Ф50-Ф150 4000 Xiangtan Steel, Steel three, stainless steel seamless pipe (Grade: 0Cr18Ni10Ti (321), 1Cr18Ni9Ti (321H), 0Cr18Ni9 (304), 304H, 00Cr19Ni10 (304L), 0Cr17Ni12Mo2 ( 316), 00Cr17Ni14Mo2 (316L); the implementation of standards: GB / T14975-2000, GB / T14976-2002, ASTMA312, DN17456-85, JISG3459-97) Specification (mm) Size (mm) Size (mm) Size (mm) Specifications (mm) Size (mm) diameter × thickness of the wall thickness of the outer diameter of the outer diameter × thickness × diameter × diameter × thickness of the wall thickness of the outer diameter × thickness 6-9.5 × 0.5-2.5 34-41 × 1.35- 9.0 48-48.3 × 1.35-9.0 61-75 × 2.0-12.0 108 × 2.0-17.0 140-158 × 2-23.0 10-13.9 × 0.5-4.5 42-42.2 × 1.35-9.0 49-56 × 1.35-9.0 76 × 2.0-13.0 109-113 × 2-17.0 159-168 × 2-23.0 14-19 × 0.5-6.0 43-44 × 1.35-9.0 57 × 1.35-9.0 77-78 × 2.0-17.0 114-114.3 × 2-17.0 180-219.1 × 2-23.0 20-32 × 0.5-6.5 45 × 1.35-9.0 58-59 × 1.35-9.0 89 × 2.0-17.0 115-121 × 2-17.0 273 × 3.6-23.0 33.4 × 1.35-9.0 46- 47 × 1.35-9.0 60-60.3 × 1.35-9.0 90-107 × 2-17.0 122-133 × 2-17.0 325 × 4.1-23.0 four grades of stainless steel round bar Specifications Weight (T) Origin Grade Specification Weight (T) Origin 0Cr18Ni9 (304) Ф50-Ф180 210 TISCO, Shanghai Asia Pacific, Yongxing Special Steel 0Cr17Ni12Mo2 (316) Ф50-Ф150 210 TISCO, Yongxing Special Steel 00Cr19Ni10 (304L Ф50-Ф180 180 TISCO, Zhejiang Qingshan, Yongxing Special Steel 00Cr17Ni14Mo2 (316L) Ф50-Ф180 165 TISCO, Yongxing Special Steel 0Cr18Ni10Ti (321) Ф50-Ф150 90 TISCO, Shanghai Asia Pacific, Yongxing Special Steel 1Cr18Ni9Ti (321H) Ф50-Ф150 90 TISCO, Yongxing Special Steel lot of cash Supply of carbon steel seamless pipe, carbon steel round bar, stainless steel seamless pipe, stainless steel bar. 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