API Spec 5CT Specification for Casing and Tubing*, 2018-01-01 Update
API Spec 5L Line Pipe (FORTY-SIXTH EDITION)*, 2018-04-01 Update
ASTM D4745 Standard Specification for Filled Compounds of Polytetrafluoroethylene (PTFE) Molding and Extrusion Materials
GB/T 19466.2 Plastics-Differential scanning calorimetry(DSC)-Part 2:Determination of glass transition temperature
GB/T 20972.1 Petroleum and natural gas industries- Material for use in HS-containing environments in oil and gas production- Part 1: General principles for selection of cracking-resistant materials
GB/T 20972.2 Petroleum and natural gas industries.Materials for use in HS-containing environments in oil and gas production.Part 2:Cracking-resistant carbon and low alloy steels,and the use of cast irons
GB/T 20972.3 Petroleum and natural gas industries.Material for use in HS-containing environments in oil and gas production.Part 3:Cracking-resistant CRAs(corrosion-resistant alloys)and other alloys
GB/T 21267 Petroleum and natural gas industries—Procedures for testing casing and tubing connections*, 2017-05-12 Update
GB/T 7142 Determination of time-temperature limits for plasties after prolonged exposure to heat
GB/T 9341 Plastic.Determination of flexural properties
SY/T 6267 High pressure fiberglass line pipe*, 2018-10-29 Update
SY/T 6856-2012 history
2012SY/T 6856-2012 Petroleum and natural gas industries.Composite lined steel tubular goods