1、Designation: F3123 15Standard Specification forMetric Outside Diameter Polyethylene (PE) Plastic Pipe (DR-PN)1This standard is issued under the fixed designation F3123; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of la
2、st revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification covers metric outside diameter poly-ethylene (PE) pipe made from polyethylene compound thatqualifies
3、for MRS, HDB and HDS ratings and for PE100 andPE4710 designations. Included are requirements for polyeth-ylene compound, workmanship, dimensions, short-term stressand ductility, long-term stress, marking, quality assurance andverification of joining.1.1.1 Polyethylene pipe in accordance with this sp
4、ecifica-tion is intended to be compatible with nominal diameters andnominal pressures in accordance with ISO 161-1 and wallthickness in accordance with ISO 4065.1.2 Pipes produced under this specification are intended forthe pressure or non-pressure conveyance of liquid or gaseousmedia. Pipes produc
5、ed under this specification are not intendedas enclosures for electrical or communications components.See Appendix X1.1.3 The values stated in SI units are to be regarded asstandard. No other units of measurement are included in thisstandard.1.4 The following safety hazards caveat pertains only to t
6、hetest methods portion, Section 7, of this specification: Thisstandard does not purport to address all of the safety concerns,if any, associated with its use. It is the responsibility of the userof this standard to establish appropriate safety and healthpractices and determine the applicability of r
7、egulatory limita-tions prior to use.2. Referenced Documents2.1 ASTM Standards:2D618 Practice for Conditioning Plastics for TestingD638 Test Method for Tensile Properties of PlasticsD746 Test Method for Brittleness Temperature of Plasticsand Elastomers by ImpactD792 Test Methods for Density and Speci
8、fic Gravity (Rela-tive Density) of Plastics by DisplacementD1238 Test Method for Melt Flow Rates of Thermoplasticsby Extrusion PlastometerD1435 Practice for Outdoor Weathering of PlasticsD1505 Test Method for Density of Plastics by the Density-Gradient TechniqueD1598 Test Method for Time-to-Failure
9、of Plastic PipeUnder Constant Internal PressureD1599 Test Method for Resistance to Short-Time HydraulicPressure of Plastic Pipe, Tubing, and FittingsD1600 Terminology for Abbreviated Terms Relating to Plas-ticsD1603 Test Method for Carbon Black Content in OlefinPlasticsD2122 Test Method for Determin
10、ing Dimensions of Ther-moplastic Pipe and FittingsD2290 Test Method for Apparent Hoop Tensile Strength ofPlastic or Reinforced Plastic PipeD2565 Practice for Xenon-Arc Exposure of Plastics In-tended for Outdoor ApplicationsD2837 Test Method for Obtaining Hydrostatic Design Basisfor Thermoplastic Pip
11、e Materials or Pressure Design Basisfor Thermoplastic Pipe ProductsD3350 Specification for Polyethylene Plastics Pipe and Fit-tings MaterialsD3895 Test Method for Oxidative-Induction Time of Poly-olefins by Differential Scanning CalorimetryD4218 Test Method for Determination of Carbon BlackContent i
12、n Polyethylene Compounds By the Muffle-Furnace TechniqueF412 Terminology Relating to Plastic Piping SystemsF905 Practice for Qualification of Polyethylene Saddle-Fused JointsF1056 Specification for Socket Fusion Tools for Use inSocket Fusion Joining Polyethylene Pipe or Tubing andFittingsF1290 Pract
13、ice for Electrofusion Joining Polyolefin Pipe andFittings1This test method is under the jurisdiction of ASTM Committee F17 on PlasticPiping Systems and is the direct responsibility of Subcommittee F17.26 on OlefinBased Pipe.Current edition approved May 1, 2015. Published June 2015. DOI: 10.1520/F312
14、3152For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.Copyright ASTM International, 100 Barr Harbor Drive, PO Bo
15、x C700, West Conshohocken, PA 19428-2959. United States1F1473 Test Method for Notch Tensile Test to Measure theResistance to Slow Crack Growth of Polyethylene Pipesand ResinsF2620 Practice for Heat Fusion Joining of Polyethylene Pipeand FittingsF2928 Practice for Specimens and Testing Conditions for
16、Testing Polyethylene (PE) Pipe Butt Fusions Using Ten-sile and Hydrostatic Test MethodsG155 Practice for Operating Xenon Arc Light Apparatus forExposure of Non-Metallic Materials2.2 ISO Documents3ISO 161-1 Thermoplastics pipes for the conveyance offluidsNominal outside diameters and nominalpressures
17、Part 1: Metric seriesISO 4065 Thermoplastics pipesUniversal wall thicknesstableISO 9000 Quality managementISO 9080 Plastics piping and ducting systemsDetermination of the long-term hydrostatic strength ofthermoplastics materials in pipe form by extrapolationISO 12162 Thermoplastics materials for pip
18、es and fittingsfor pressure applicationsClassification anddesignationOverall service (design) coefficientISO 13477 Thermoplastics pipes for the conveyance offluidsDetermination of resistance to rapid crack propa-gation (RCP)Small-scale steady-state test (S4 test)ISO 13478 Thermoplastics pipes for th
19、e conveyance offluidsDetermination of resistance to rapid crack propa-gation (RCP)Full-scale test (FST)ISO 16871 Plastics piping and ducting systemsPlasticspipes and fittingsMethod for exposure to direct (natural)weatheringISO 18553 Method for the assessment of the degree ofpigment or carbon black d
20、ispersion in polyolefin pipes,fittings and compounds2.3 NSF International Standards:4NSF/ANSI Standard No. 14 for Plastic Piping Componentsand Related MaterialsNSF/ANSI Standard No. 61 for Drinking Water SystemComponentsHealth Effects2.4 PPI Documents:5TR-3 Policies and Procedures for Developing Hyd
21、rostaticDesign Basis (HDB), Pressure Design Basis (PDB),Strength Design Basis (SDB), and Minimum RequiredStrength (MRS) Ratings for Thermoplastic Piping Mate-rials or PipeTR-4 Listing of Hydrostatic Design Bases (HDB), StrengthDesign Bases (SDB), Pressure Design Bases (PDB) andMinimum Required Stren
22、gth (MRS) Ratings forThermo plastic Piping Materials or PipeTN-30 Requirements for the Use of Rework Materials inManufacturing of Polyethylene Gas PipeHandbook of Polyethylene Pipe, Second Edition2.5 Other Documents:Guidelines for Drinking-Water Quality, Third Edition Incor-porating the First and Se
23、cond Addenda, Volume 1:Recommendations, World Health Organization, Geneva,20086EU Council Directive 98/83/EC of 3 November 1998 on thequality of water intended for human consumption73. Terminology3.1 DefinitionsUnless otherwise specified, definitions arein accordance with Terminology F412, and abbre
24、viations are inaccordance with Terminology D1600.3.2 Definitions of Terms Specific to This Standard:3.2.1 application factor, fA,na coefficient of 1 or less thataccounts for estimated long-term application effects such aschemical effects of fluid media or environment, variation ofexternal or interna
25、l temperature or stress, and installation.3.2.2 design stress, S,nthe quotient of MRS divided byCmin. Design stress is at 20C and applicable to the conveyanceof water.3.2.3 maximum allowable operating pressure, PFA, nthemaximum operating pressure in bar determined by thedesigner/user that accounts f
26、or polyethylene compoundproperties, the media being conveyed and the conditions ofconveyance.3.2.4 minimum design coeffcient, Cmin,na factor fromISO 12162 having a value of 1.25 that accounts for theproperties of the piping material when transporting water at20C.3.2.5 minimum required strength, MRS,
27、 na property of thematerial in accordance with ISO 12162 that represents aclassification range in MPa of the 97.5% lower confidencelimit of the mean long-term strength at 20C and 50 years.3.2.6 nominal pressure, PN, na nominal design rating inbar for internal pressure water at 20C, but without consi
28、der-ation of media other than water or conditions other thansustained internal pressure and sustained temperature.NOTE 1PN is a nominal design rating for sustained internal pressurefor water at 20C that provides for product comparison under specific,limited conditions. Actual allowable operating pre
29、ssure (PFA) is deter-mined by the designer/user in consideration of the media being conveyedand conditions of conveyance such as pressure and temperature stability orvariation, installation and quality thereof, and desired degree of reliability.(See 3.2.3, X1.1, and X1.2 for additional information.)
30、3.2.7 relation between dimension ratio, MRS and nominalpressure, nthe following equation is used in this specificationto relate pres sure number (PN), dimension ratio (DR), mini-mum required strength (MRS), minimum design coefficient(Cmin), and design stress (S):3Available from International Organiz
31、ation for Standardization (ISO), 1, ch. dela Voie-Creuse, CP 56, CH-1211 Geneva 20, Switzerland, http:/www.iso.org.4Available from NSF International, P.O. Box 130140, 789 N. Dixboro Rd., AnnArbor, MI 48105, http:/www.nsf.org.5Available from Plastics Pipe Institute (PPI), 105 Decker Court, Suite 825,
32、Irving, TX 75062, http:/www.plasticpipe.org.6Available from WHO Press, World Health Organization, 20 Avenue Appia,1211 Geneva 27, Switzerland (tel.: +41 22 791 3264; fax: +41 22 791 4857; e-mail:bookorderswho.int).7Available from Publications Office of the European Union 2, rue Mercier 2985Luxembour
33、g LUXEMBOURG Tel: +352 2929-1 E-mail:infopublications.europa.eu.F3123 152PN 520DR 2 1!3MRSCmin520 3SDR 2 1!(1)where:PN = nominal pressure design rating, bar,DR = dimension ratio= DO/t,DO= nominal outside diameter, mm,t = minimum wall thickness, mm,MRS = minimum required strength at 20C, MPa,Cmin= mi
34、nimum design coefficient, andS= design stress at 20C.3.2.8 relation between nominal pressure and maximumallowable operating pressure, nthe following equation isused in this specification to relate maximum allowable operat-ing pressure (PFA) and pressure number (PN):PFA 5 PN 3 fT3 fA(2)where:PN = nom
35、inal pressure, bar,PFA = maximum allowable operating pressure, bar,fT= temperature factor, andfA= application factor.3.2.9 temperature factor, fT,na coefficient that accountsfor the long term strength of the polyethylene compound attemperatures other than 20C.3.2.10 lower confidence limit of the pre
36、dicted hydrostaticstrength, LPL,na property of the polyethylene compound inaccordance with ISO 12162 that represents a stress value inMPa for the 97.5 percent lower confidence limit of thepredicted hydrostatic strength at a specified temperature in Cand time in years.4. Pipe Classification4.1 Genera
37、lThis specification covers 32 mm through2000 mm metric outside diameter polyethylene pipe havingwall thickness in accordance with standard dimension ratios(DR 33 through DR 7.4) and nominal pressures in bar for waterat 20C (PN5 through PN25).4.2 Pipe manufacturing and verification of compliance with
38、the requirements of this standard are in accordance with awritten quality assurance program that specifies policies andprocedures for manufacturing, frequency of inspection, sam-pling and testing of materials and products, and policies andprocedures for documenting compliance with the requirementsof
39、 this specification.5. Polyethylene Compound and Requirements5.1 Polyethylene CompoundPolyethylene compound forthe manufacture of pipe in accordance with this specifi cationshall be designated in accordance with PPI TR-3 as PE100 andas PE4710 (“PE100/PE4710”), and shall comply with thefollowing requ
40、irements:5.1.1 See Table 1.5.1.2 Polyethylene compound shall contain sufficient anti-oxidant so that the minimum induction temperature shall not beless than 220C when tested for thermal stability in accordancewith Specification D3350.5.1.3 The brittleness temperature shall not be warmer than60C when
41、 tested in accordance with Test Method D746.5.1.4 The oxidation induction time at 200C shall not beless than 20 minutes when tested in accordance with TestMethod D3895.5.1.5 The minimum nominal tensile strength at yield shallbe 20.6 MPa, and the failure mode shall be ductile whendetermined in accord
42、ance with Test Method D638. Testingtemperature shall be 23C and the speed of testing shall be 50mm/min. Specimens shall conform to the dimensions andrequirements for Type IV in Test Method D638 with athickness of 1.9 6 0.2 mm. Specimens shall be either die cutor machined. The minimum elongation at b
43、reak shall be 400percent.5.1.6 The polyethylene compound melt flow rate (high load)shall be tested in accordance with Test Method D1238,Condition 190/21.6.5.1.7 The polyethylene compound density in accordanceSpecification D3350 shall be tested in accordance with TestMethod D792 or Test Method D1505.
44、5.1.8 Black polyethylene compound shall contain 2.02.5percent carbon black when pipe is tested in accordance with6.1.2.5.1.9 Polyethylene compound shall be stabilized againstdeterioration from UV exposure for not less than 18 months forcolor polyethylene compounds, or for not less than 180 monthsfor
45、 black polyethylene compounds.TABLE 1 PE100/PE4710 Polyethylene Compound RequirementsRequirement Required Value or Value RangeMRS at 20C, per ISO 9080, ISO 12162 and PPI TR-3,AMPa $ 10HDB at 23C, per Test Method D2837 and PPI TR-3,A,BMPa $ 11.03HDB at 60C, per Test Method D2837 and PPI TR-3,A,BMPa $
46、 6.89HDS for water at 23C, per Test Method D2837 and PPI TR-3,A,BMPa $ 6.89Melt flow rate (high load) per Test Method D1238, g/10 min 4.0 to # 20CNominal natural base resin density per SpecificationD3350,Dg/cm30.947 to # 0.955Minimum average SCG Resistance (PENT) per Test MethodF1473,Ehr $ 500AMRS,
47、HDB and HDS determinations shall be listed in accordance with PPI TR-3.BHDB ratings expressed in inch-pound units are standard in Test Method D2837. Per 1.3, SI units are standard herein; therefore, the SI values specified in Table 1 arethe SI equivalent values per Test Method D2837. Inch-pound valu
48、es for the SI equivalent values in Table 1 are 73F = 23C; 140F = 60C; 1600 pound/in2= 11.03 MPa;1000 pound/in2= 6.89 MPa.CPer 5.1.6.DPer 1.7 excluding carbon black. See Specification D3350 for determination of carbon black content effects on density.ESCG resistance determined in accordance with Test
49、 Method F1473 requirements for molded plaque specimens, notching per Test Method F1473 Table 1, and testingat 80C, 2.4 MPa. Average failure time for two test specimens.F3123 153NOTE 2UV resistance is typically determined by exposure to actualoutdoor (natural sunlight) weathering in accordance with Practice D1435,or by accelerated weathering in accordance with Practice D2565 andPractice G155. Characterization of UV resistance is typically by tensiontesting (per 5.1.5) for an elongation at break value that is at least
