- Product Standard
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Jiafang pipes can meet API SPEC 5L, GB/T9711, SY/T5037, SY/T5040, GB50205, JTJ254,S311, AWWA C200, AS1579 and many other standard requirements. These pipes are widely used for oil and natural gas transmission, running water and coal gas transmission, sewage treatment, constructing of bridge, ports and docks, or other industry usages, dredging projects, special pipe roof system and various structural applications.
The Main Production Performance Standards
No. Standard Code Descriptions DateTime 1 GB/T9711-2011 Petroleum and natural gas industries--Steel pipe for
pipelines--Technical delivery conditions
2012-06-01 2 API SPEC 5L (45th Edition) Specification for Line Pipe 2012-12-01 3 SY/T10037-2002 Specification for Sub-sea pipe line system 2002-08-01 4 SY/T5037-2012 Spiral submerged arc-welded steel pipe for pipelines
for low pressure field fluid service
2012-12-01 5 SY/T5040-2012 Spiral submerged arc-welded steel pipe piles 2012-03-01 6 AWWA C200-2012 Specification for Steel Water Pipe - 6 in. (150 mm) and Larger 2012-10-01 7 AS1579-2001 Specification for Arc-welded steel pipes and fittings
for water and wastewater
2001-01-01 8 GB50205-2001 Inspection Specification for steel structures construction 2002-03-01 9 GB50235-2010 Inspection Specification for Industrial metal pipe construction 2010-05-01 10 GB50236-2011 Inspection Specification for Industrial pipe welding construction 2011-10-01 11 GB50268-2008 Inspection Specification for water supplying pipe construction 2009-05-01 12 API Spec Q1 (9th Edition) Specification for Quality Programs for the Petroleum,
Petrochemical and Natural Gas Industry
2014-06-01 13 GB700-2006 Carbon structural steel 2007-02-01 14 GB222-2006 Steel chemical analysis sampling and elements deviations allowance 2006-08-01 15 GB/T9445-2008 Non-destructive testing—Qualification and certification of personnel 2009-03-01 16 GB11345-2013 Method for manual ultrasonic testing and classification
of testing results for ferritic steel welds
2014-06-01 17 GB/T3323-2005 Radiogram and classification of testing results for butt steel welds 2006-01-01 18 SY/T 0315-2005 Technological standard of FBE external fusion bonded
epoxy coating for steel pipeline
2005-11-01 19 SY/T 0413-2002 Technical standard of polyethylene coating for buried steel pipeline 2002-08-01 20 SY/T 0447-1996 Standard of coal tar epoxy coating for buried steel pipeline 1997-06-01
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