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This specification covers the requirements and test methods for outside diameter controlled, pressure rated, black metric-sized and IPS-sized crosslinked polyethylene (PEX) pipe, fittings and joints intended for oil and gas producing applications. It presents the criteria for materials made in pipe dimension ratios ranging from 6 to 17, along with workmanship, burst pressure, hydrostatic sustained pressure, bent-pipe hydrostatic pressure, stabilizer functionality, degree of crosslinking, and chemical resistance. It also includes guidelines for pipe and fittings markings.
This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.
1.1 This specification covers outside diameter controlled, pressure rated, metric-sized and inch-sized black or yellow crosslinked polyethylene (PEX) pipe made in pipe dimension ratios ranging from 6 to 17. Included are requirements and test methods for material, workmanship, dimensions, burst pressure, hydrostatic sustained pressure, stabilizer functionality, bent-pipe hydrostatic pressure, degree of crosslinking, chemical resistance, and minimum operating temperature. Requirements for pipe markings are also given. The pipe covered by this specification is intended for pressure or non-pressure oil and gas producing applications, such as conveying oil, dry or wet gas, gas gathering, multiphase fluids, and non-potable oilfield water. This specification does not cover piping for gas distribution applications.
1.2 This specification also includes requirements for joints made between PEX pipe and polyethylene electrofusion fittings (such as Specification ). Fittings to be used with PEX pipe manufactured to this Specification are in Specification . Installation considerations are in .
1.3 The text of this specification references notes, footnotes, and appendixes, which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the specification.
1.4 Units—The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.
Note 1: Metric sized (SI units) pipe should only be joined with corresponding metric sized fittings, and inch sized pipe should only be joined with corresponding inch sized fittings. Inch sized fittings should not be used for metric sized pipe, and metric sized fittings should not be used for IPS inch sized pipe.
1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
ISO StandardsISO 13477 Thermoplastics pipes for the conveyance of fluids Determination of resistance to rapid crack propagation (RCP) Small-scale steady-state test (S4 test) ISO 14531-1 ISO 14531-2 Plastics pipes and fittings Crosslinked polyethylene (PE-X) pipe systems for the conveyance of gaseous fuels Metric series Specifications Part 2: Fittings for heat-fusion jointing ISO 18553 Method for the assessment of the degree of pigment or carbon black dispersion in polyolefin pipes, fittings and compounds.
D618 Practice for Conditioning Plastics for Testing
D792 Test Methods for Density and Specific Gravity (Relative Density) of Plastics by Displacement
D1505 Test Method for Density of Plastics by the Density-Gradient Technique
D1598 Test Method for Time-to-Failure of Plastic Pipe Under Constant Internal Pressure
D1599 Test Method for Resistance to Short-Time Hydraulic Pressure of Plastic Pipe, Tubing, and Fittings
D1600 Terminology for Abbreviated Terms Relating to Plastics
D1603 Test Method for Carbon Black Content in Olefin Plastics
D2122 Test Method for Determining Dimensions of Thermoplastic Pipe and Fittings
D2290 Test Method for Apparent Hoop Tensile Strength of Plastic or Reinforced Plastic Pipe
D2565 Practice for Xenon-Arc Exposure of Plastics Intended for Outdoor Applications
D2765 Test Methods for Determination of Gel Content and Swell Ratio of Crosslinked Ethylene Plastics
D2837 Test Method for Obtaining Hydrostatic Design Basis for Thermoplastic Pipe Materials or Pressure Design Basis for Thermoplastic Pipe Products
D4218 Test Method for Determination of Carbon Black Content in Polyethylene Compounds by the Muffle-Furnace Technique
D5596 Test Method for Microscopic Evaluation of the Dispersion of Carbon Black in Polyolefin Geosynthetics
F412 Terminology Relating to Plastic Piping Systems
F1055 Specification for Electrofusion Type Polyethylene Fittings for Outside Diameter Controlled Polyethylene and Crosslinked Polyethylene (PEX) Pipe and Tubing
F1948 Specification for Metallic Mechanical Fittings for Use on Outside Diameter Controlled Thermoplastic Gas Distribution Pipe and Tubing
F2619 Specification for High-Density Polyethylene (PE) Line Pipe
F2657 Test Method for Outdoor Weathering Exposure of Crosslinked Polyethylene (PEX) Tubing
F2829 Specification for Metric- and Inch-Sized Fittings for Crosslinked Polyethylene (PEX) Pipe
Military StandardMIL-STD-129 Marking for Shipment and Storage
Federal StandardFED-STD-123 Marking for Shipment (Civil Agencies)
ICS Number Code 23.040.20 (Plastic pipes); 23.100.40 (Piping and coupling); 75.180.01 (Equipment for petroleum and natural gas industries in general)
UNSPSC Code 83101603(Oil pipeline services); 83101604(Gas pipeline services)
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ASTM F2905 / F2905M-20a, Standard Specification for Crosslinked Polyethylene (PEX) Line Pipe For Oil and Gas Producing Applications, ASTM International, West Conshohocken, PA, 2020, www.astm.orgBack to Top