Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB 50470-2008 Seismic Technical Code for Oil and Gas Transmission Pipeline Engineering 360.0 via email in 1 business day abolished
HG/T 20637.2-1998 Symbols and identifiers for engineering design of instrumentation 140.0 via email in 1 business day abolished
YS/T 5422-2014 8040.0 via email in 1~10 business day valid
HG/T 20636.7-1998 Produce for engineering design of instrumentation 40.0 via email in 1 business day abolished
HG/T 21540-1992 Universal Drawing of Reinforced Concrete Pipe Rack with Longitudinal Beam 2790.0 via email in 1~3 business day valid
SY 4208-2008 Code for quality acceptance of oil and gas construction engineering oil and gas transmission pipeline project 915.0 via email in 1~10 business day abolished
SY 4209-2008 Code for Quality Acceptance of Oil and Gas Construction Engineering - Natural Gas Conditioning Plant 600.0 via email in 1 business day abolished
HG/T 20679-2014 Design Code for External Corrosion Protection of Chemical Equipment and Piping 750.0 via email in 1~8 business day valid
SY 4118-2010 Technical Code for Construction of Gathering and Transmission Distributing Station Projects in Highly Hydrogen Sulfide Gas Field 200.0 via email in 1 business day abolished
SY 0323-2000 Code for construction and acceptance of glass fiber reinforced thermosetting resin pressure pipelines 1050.0 via email in 1~3 business day valid
SJ/T 31449-1994 Requirements of Readiness and Methods of Inspection and Assessment for Oil Supply Pipelines 30.0 via email in 1~3 business day abolished
SY/T 0061-2004 Technical specification of external protective organic coating for buried steel pipeline 360.0 via email in 1~3 business day superseded
GB/T 31032-2014 Welding and acceptance standard for steel pipings and pipelines 520.0 via email in 1 business day valid
GB 50184-1993 Standard for checking and evaluating the quality of industrial metallic piping 735.0 via email in 1~8 business day abolished
JG/T 202-2007 Thermal insulation supports and hangers of polyurethane/vermiculite material for engineering pipe 180.0 via email in 1~3 business day valid
HG/T 20636.8-1998 Produce of quality assurance for engineering design of instrumentation 160.0 via email in 1 business day to be superseded
SY/T 0379-1998 Standard of coal tar enamel external coating for buried steel pipeline 540.0 via email in 1~5 business day superseded
GB 50235-1997 Code for Construction and Acceptance of Industrial Metallic Piping 320.0 via email in 1 business day abolished
HG/T 20636.6-1998 Task for engineering design of instrumentation 80.0 via email in 1 business day to be abolished
SY 4060-1993 195.0 via email in 1~3 business day abolished
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