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Draft State Standard and Oil and Gas lines Standard
Published:2013-05-02 04:21:28    Text Size:【BIG】【MEDIUM】【SMALL
Summary: At 20th fifties and sixties, welded pipe was basically manufactured and inspected as former Soviet Unions. Through successively technical accumulation and practice, technicians constituted China first SSAW pipe production standard ---SYB-10004-63 Spiral submerged arc welded pipe issued by Oil Industry Bureau. In 1975, this standard was revised as SY10006-75S double spiral submerged arc welded pipe standards. With the need of welded pipe technology progress and oil industry development, In 1980, the factory authorized by oil industry bureau drafted SY5001-800 Spiral submerged arc welded pipe one basis of supplementary technology to domestic long-distance pipeline standard. After that, the factory also drafted SY5036-83 Spiral submerged arc welded steel pipe for pipelines for pressure fluid service (substituted SY5001-80 Standard), SY5037-83 Spiral high frequency welded pipe for general fluid pipelines etc oil and gas lines standards.
    In May of 1985, specialized standardize committee of oil steel pipes was set up by former Oil Industry Bureau. The factory was appointed as secretary unit of first all due and second all due. In 1987, the factory constituted China first state standard GB9711-88 Spiral submerged arc welded pipe used for oil and gas pipelines, which was widely adopted, and got third place award of Science and Technology progress of CNPC in 1993. With the development of pipe manufacture procedure and technology level, ERW pipe was gradually used in oil and gas pipeline. IN 1985, the factory introduced 16in ERW production equipment for West Germany, which filled up the margin of China welded pipe. For that, the factory constituted standards for middle sized ERW pipeline used in oil and gas, such as SY5297-91 ERW pipe for oil and gas pipelines and SY5384-91 ERW pipe for general fluid pipelines.
    It was important technical and economic policy to introduce advanced standards from the abroad. Since 1999, we adopted ISO standard drafting GB/T9711.1-1997 《Petroleum and natural gas industries—Steel pipe for pipelines—Technical delivery conditions—part 1: Pipes of requirement class A》,GB/T9711.2-1999 《Petroleum and natural gas industries—Steel pipe for pipelines—Technical delivery conditions—part 2: Pipes of requirement class B》. GB/T9711.3《Petroleum and natural gas industries—Steel pipe for pipelines—Technical delivery conditions—part 3: Pipes of requirement class C》 is applied for approval at present. And related steel pipe NDT and physical properties inspection and test standards, now it is basically formed a set of completed standard from steel pipe production and inspection to transportation. At present, the following standards drafted by the factory are still used, such as: 

SY/T6423.2-1999 <<Petroleum and natural gas industries pressure steel pipe NDT means and ERW & Inductive welded pipe weld seam longitudinal defects ultrasonic inspection>>
SY/T 6423.3-1999 << Petroleum and natural gas industries pressure steel pipe NDT means SSAW pipe weld seam longitudinal/transverse defects radiographic inspection>>
SY/T6423.4-1999 << Petroleum and natural gas industries pressure steel pipe NDT means and ultrasonic detection for lamination nearer to weld seam>>
SY/T6423.5-1999 << Petroleum and natural gas industries pressure steel pipe NDT means and ultrasonic detection for strip/ plate lamination imperfection >>
SY/T 6423.6-1999 << Petroleum and natural gas industries pressure steel pipe NDT means and ultrasonic detection for pipe body lamination of seamless and welded pipe (Except for SAW)>>
SY/T6423.7-1999 << Petroleum and natural gas industries pressure steel pipe NDT means and ultrasonic detection for pipe ends lamination of seamless and welded pipe >>
SY/T 6577.1-2003 <<Pipeline steel pipe transportation Part 1: Railway transportation>>
SY/T 6577.2-2003 <<Pipeline steel pipe transportation Part 2: Inland and Ocean Vessel transportation>>
GB/T9711.1-1997 GB/T9711.1-1997 《Petroleum and natural gas industries—Steel pipe for pipelines—Technical delivery conditions—part 1: Pipes of requirement class A》
GB/T9711.2-1999 GB/T9711.2-1999 《Petroleum and natural gas industries—Steel pipe for pipelines—Technical delivery conditions—part 2: Pipes of requirement class B》
GB/T9711.3 GB/T9711.3《Petroleum and natural gas industries—Steel pipe for pipelines—Technical delivery conditions—part 3: Pipes of requirement class C》 is applied for approval at present.
SY 5037-2000 <<Spiral submerged arc welded pipe for pipelines for low pressure fluid service>>
SY/T5768-1995 <<Welded pipe for general structure>>
SY/T6531-1995 <<Longitudinal electric resistance welded pipe for oil well pump shell>>
SY/T6476-2000 <<DWTT means for pipeline steel pipe>>
SY/T5992-1994 <<Hydrostatic bursting test means for pipeline steel pipe>>
SY/T5991-1994 <<Casing, tubing and thread protector>>
SY/T6475-2000 <<Petroleum and natural gas pipelines steel pipe dimension and theoretic weight>>
SY/T6423.1-1999 << Petroleum and natural gas industries pressure steel pipe NDT means and radiography detection for welded pipe weld seam imperfection>>
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