1、Designation: F2805 11Standard Specification forMultilayer Thermoplastic And Flexible Steel Pipe AndConnections1This standard is issued under the fixed designation F2805; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of l
2、ast revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope*1.1 This specification covers requirements and test methodsfor materials, dimensions, workmanship, markings for factoryman
3、ufactured multilayer flexible steel pipe with thermoplasticinner and outer layers and end connections (Fig. 1). It coversnominal sizes 2 in. through 8 in. (50 mm through 200 mm).Flexible steel pipes are multilayered pipe products manufac-tured in long continuous lengths and reeled for storage,transp
4、ort and installation. The multilayer thermoplastic andflexible steel pipe governed by this standard are intended foruse for the transport of crude oil, natural gas, hazardouschemicals, industrial chemicals and water.1.2 The values stated in inch-pound units are to be regardedas standard. The values
5、given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.3 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It is theresponsibility of the user of this standard to establi
6、sh appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:2A109/A109M Specification for Steel, Strip, Carbon (0.25Maximum Percent), Cold-RolledA312/A312M Specification for Seamless, Welded, andHeavily
7、 Cold Worked Austenitic Stainless Steel PipesA333/A333M Specification for Seamless and Welded SteelPipe for Low-Temperature ServiceA506 Specification for Alloy and Structural Alloy Steel,Sheet and Strip, Hot-Rolled and Cold-RolledA519 Specification for Seamless Carbon and Alloy SteelMechanical Tubin
8、gD792 Test Methods for Density and Specific Gravity (Rela-tive Density) of Plastics by DisplacementD1505 Test Method for Density of Plastics by the Density-Gradient TechniqueD1600 Terminology for Abbreviated Terms Relating toPlasticsD2122 Test Method for Determining Dimensions of Ther-moplastic Pipe
9、 and FittingsD2321 Practice for Underground Installation of Thermo-plastic Pipe for Sewers and Other Gravity-Flow Applica-tionsD2765 Test Methods for Determination of Gel Content andSwell Ratio of Crosslinked Ethylene PlasticsF412 Terminology Relating to Plastic Piping Systems2.2 ANSI Standard:3B 16
10、.5 Pipe, Flanges, and Flanged Fittings2.3 API Standards:417B Recommended Practice for Flexible Pipe17J Specification for Unbonded Flexible Pipe2.4 ISO Standards:5ISO 9080 Plastics Piping and Ducting Systems Determi-nation of the Long-Term Hydrostatic Strength of Thermo-plastics Materials in Pipe For
11、m by Extrapolation2.5 PPI Standards:6TR-4 PPI Listing of Hydrostatic Design Basis (HDB),Strength Design Basis (SDB), Pressure Design Basis(PDB), and Minimum Required Strength (MRS) Ratingsfor Thermoplastic Piping Materials or PipeTR-19 Thermoplastics Piping for the Transport of Chemi-cals2.6 BSI Sta
12、ndards:7EN 10210 Hot Finished Structural Hollow Sections ofNon-Alloy and Fine Grain Steels1This specification is under the jurisdiction of ASTM Committee F17 on PlasticPiping Systems and is the direct responsibility of Subcommittee F17.11 onComposite.Current edition approved Aug. 1, 2011. Published
13、September 2011. Originallyapproved in 2009. Last previous edition approved in 2009 as F280509.DOI:10.1520/F280511.2For 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 th
14、e standards Document Summary page onthe ASTM website.3Available from American National Standards Institute (ANSI), 25 W. 43rd St.,4th Floor, New York, NY 10036, http:/www.ansi.org.4Available from American Petroleum Institute (API), 1220 L. St., NW, Wash-ington, DC 20005-4070, http:/www.api.org.5Avai
15、lable from International Organization for Standardization (ISO), 1, ch. dela Voie-Creuse, Case postale 56, CH-1211, Geneva 20, Switzerland, http:/www.iso.ch.6Available from Plastics Pipe Institute (PPI), 105 Decker Court, Suite 825,Irving, TX 75062, http:/www.plasticpipe.org.7Available from British
16、Standards Institute (BSI), 389 Chiswick High Rd.,London W4 4AL, U.K., http:/www.bsi-.1*A Summary of Changes section appears at the end of this standard.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.EN 10297 Seamless Circular Steel T
17、ubes for Mechanicaland General Engineering Purposes3. Terminology3.1 DefinitionsDefinitions are in accordance with Termi-nology F412 and abbreviations are accordance with Terminol-ogy D1600, unless otherwise specified.3.2 Definitions of Terms Specific to This Standard:3.3 inner sheath layer, npipe l
18、ining made from extrudedthermoplastic compound.3.4 tensile armor layer, nhoop and structural reinforce-ment helically wrapped over the inner sheath layer. The steellayers are not bonded.3.5 outer sheath layer, nexternal extruded thermoplasticcoating applied to resist mechanical damage and to provide
19、 theunderlying layers of the pipe protection from the environment.3.6 end connection, nconnects the pipe ends with adja-cent pipe or other parts of the system.4. Materials4.1 Polyethylene MaterialsPolyethylene compounds usedin the manufacture of these products shall have a minimum cellclassification
20、 of 444474 in accordance with SpecificationD2321 (PE4710 as defined in PPI TR-4) or PE100 in accor-dance with ISO 9080. Addition of pigments or stabilizers tonatural polyethylene compounds during extrusion is permitted.4.2 Crosslinked Polyethylene MaterialsCrosslinked poly-ethylene compounds used in
21、 the manufacture of these productsshall be made from polyethylene compounds which have beencrosslinked by peroxides, azo compounds or silane compoundsin extrusion or by other means such that the inner sheath layerand/or the outer sheath layer meets the following performancerequirements:4.2.1 Density
22、When determined in accordance with TestMethod D1505 or D792, the crosslinked polyethylene materialshall have a minimum density of 0.033 lb/in3(0.926 g/cm3).4.2.2 Degree of Crosslinking When tested in accordancewith Test Method D2765, Method B, the degree of crosslinkingfor the PEX material shall be
23、within the range of 65% to 89%inclusive.4.3 Long Term Hydrostatic Strength Polyethylene andcrosslinked polyethylene compounds used in the manufactureof these products shall have Hydrostatic Design Basis (HDB)listings in PPI TR-4.4.4 Rework materialsReground or reprocessed thermo-plastic materials ar
24、e not permitted to be used.4.5 Steel Materials:4.5.1 Steel tensile armor layers shall consist of steel stripmanufactured in accordance with Specification A506 or Speci-fication A109/A109M with a number 3 edge and number 1 or2 finish.4.5.2 Steel in end connections shall meet the requirementsof Specif
25、ication A312/A312M, Specification A333/A333M,SpecificationA519, EN 10210,orEN 10297 (Fig. 2). Specialtysteel grades requested by the purchaser must meet the sameminimum performance requirements.5. Requirements5.1 Workmanship- The inside and outside surfaces of thepipe shall be semi-matte or glossy i
26、n appearance and free ofchalking, sticky or tacky materials. The pipe surfaces shall befree of cracks, holes, blisters, voids, foreign inclusions or otherdefects that are visible to the naked eye.5.2 Multilayer Pipe DimensionsPipe Dimensions shallcomply with Table 1, Table 2 and Table 3, when measur
27、ed inaccordance with Test Method D2122.FIG. 1 Cutaway of Flexible Steel PipeF2805 1125.3 Design PressureThe pipe shall have the design pres-sures listed in Table 2 and Table 3.NOTE 1The typical multilayer pipe construction is a three layerstructure consisting of an extruded thermoplastic inner liner
28、 or pipe,helically wrapped layers of steel armor, and an extruded thermoplasticouter layer or sheath.5.4 Outside DiameterThe outside diameter of the appli-cable pipe layer shall be as shown in Table 1, Table 2 or Table3 when measured in accordance with Section 7.5.5 Pipe Wall ThicknessThe wall thick
29、ness of the appli-cable pipe layer shall be as shown in Table 1, Table 2 or Table3 when measured in accordance with Section 7.5.6 Laying Length The pipe may be sold in any layinglength agreeable to the user.6. Quality Assurance Tests6.1 Factory Acceptance Test Prior to shipment, the con-tinuous leng
30、th of pipe shall be pressure tested in accordancewith manufacturers documented procedures as detailed in 7.3.6.2 Retest and RejectionRetesting in the event of a testfailure shall be conducted to the same test procedures orrequirements.7. Test Methods7.1 Outside DiameterThe outside diameter of each c
31、om-pleted layer shall be measured and recorded according tomanufacturers procedures. The outside pipe diameter of eachcompleted layer shall be measured at a frequency of every 30ft (10 m) for the first 150 ft (50 m) and according tomanufacturers procedures thereafter.7.2 Wall ThicknessThe thickness
32、of the extruded polymerlayers shall be checked by means of a calibrated ultrasonicthickness instrument, with an absolute accuracy of at least 50T (2 mil). The extruded layer wall thickness shall be measuredat a frequency of every 30 feet (10 m) for the first 150 ft (50m) and according to manufacture
33、rs procedures thereafter.FIG. 2 Typical End ConnectionTABLE 1 Inner Sheath Layer Wall Thickness Range and Outside Diameter RangeNominalPipe Size,in. (mm)MinimumWall Thickness,in. (mm)MaximumWall Thickness,in. (mm)MinimumOutside Diameter,in. (mm)MaximumOutside Diameter,in. (mm)2 (50) 0.098 (2.5) 0.19
34、7 (5) 2.14 (54.3) 2.33 (59.3)3 (75) 0.098 (2.5) 0.236 (6) 3.02 (76.6) 3.29 (83.6)4 (100) 0.098 (2.5) 0.276 (7) 3.87 (98.2) 4.22 (107.2)5.5 (140) 0.138 (3.5) 0.433 (11) 5.43 (137.8) 6.02 (152.8)6 (150) 0.138 (3.5) 0.433 (11) 5.88 (149.2) 6.47 (164.2)7 (175) 0.138 (3.5) 0.433 (11) 6.78 (172.1) 7.37 (1
35、87.1)8 (200) 0.138 (3.5) 0.630 (16) 7.90 (200.7) 8.88 (225.7)F2805 113TABLE 2 Inner Sheath Layer Wall Thickness Range and Outside Diameter RangeNominalPipe Size,in. (mm)Design Pressure,psi (kPa)MinimumOutside Diameter,in. (mm)MaximumOutside Diameter,in. (mm)2 (50) 750 (5,171) 2.18 (55.5) 2.41 (61.2)
36、2 (50) 1,000 (6,895) 2.22 (56.5) 2.46 (62.5)2 (50) 1,500 (10,342) 2.23 (56.7) 2.49 (63.1)2 (50) 2,250 (15,513) 2.28 (57.9) 2.54 (64.6)2 (50) 3,000 (20,684) 2.31 (58.7) 2.59 (65.8)3 (75) 750 (5,171) 3.09 (78.5) 3.40 (86.5)3 (75) 1,000 (6,895) 3.11 (79.1) 3.44 (87.5)3 (75) 1,500 (10,342) 3.16 (80.3) 3
37、.50 (88.9)3 (75) 2,250 (15,513) 3.21 (81.5) 3.58 (90.9)3 (75) 3,000 (20,684) 3.25 (82.5) 3.62 (92.0)4 (100) 750 (5,171) 3.96 (100.7) 4.37 (111.1)4 (100) 1,000 (6,895) 3.99 (101.3) 4.41 (111.9)4 (100) 1,500 (10,342) 4.02 (102.1) 4.49 (114.1)4 (100) 2,250 (15,513) 4.13 (104.9) 4.61 (117.0)4 (100) 3,00
38、0 (20,684) 4.15 (105.3) 4.65 (118.2)5.5 (140) 750 (5,171) 5.55 (140.9) 6.23 (158.3)5.5 (140) 1,000 (6,895) 5.57 (141.5) 6.28 (159.5)5.5 (140) 1,500 (10,342) 5.62 (142.7) 6.34 (161.1)5.5 (140) 2,250 (15,513) 5.66 (143.7) 6.45 (163.8)6 (150) 750 (5,171) 6.00 (152.3) 6.67 (169.4)6 (150) 1,000 (6,895) 6
39、.03 (153.1) 6.73 (170.9)6 (150) 1,500 (10,342) 6.13 (155.7) 6.85 (174.0)6 (150) 2,250 (15,513) 6.18 (157.0) 6.91 (175.4)7 (175) 750 (5,171) 6.90 (175.1) 7.57 (192.2)7 (175) 1,000 (6,895) 6.93 (176.0) 7.65 (194.2)7 (175) 1,500 (10,342) 7.03 (178.6) 7.76 (197.1)7 (175) 2,250 (15,513) 7.08 (179.8) 7.81
40、 (198.5)8 (200) 750 (5,171) 8.02 (203.7) 9.16 (232.8)8 (200) 1,000 (6,895) 8.05 (204.5) 9.28 (235.8)8 (200) 1,500 (10,342) 8.16 (207.2) 9.35 (237.5)8 (200) 2,250 (15,513) 8.20 (208.4) 9.44 (239.9)TABLE 3 Outer Sheath Layer Wall Thickness Range and Outside Diameter RangeNominalPipe Size,in. (mm)Desig
41、n Pressure,psi (kPa)MinimumWall Thickness,in. (mm)MaximumWall Thickness,in. (mm)MinimumOutside Diameter,in. (mm)MaximumOutside Diameter,in. (mm)2 (50) 750 (5,171) 0.098 (2.5) 0.276 (7.0) 2.38 (60.5) 2.96 (75.2)2 (50) 1,000 (6,895) 0.098 (2.5) 0.276 (7.0) 2.42 (61.5) 3.01 (76.5)2 (50) 1,500 (10,342)
42、0.098 (2.5) 0.276 (7.0) 2.43 (61.7) 3.04 (77.1)2 (50) 2,250 (15,513) 0.098 (2.5) 0.276 (7.0) 2.48 (62.9) 3.09 (78.6)2 (50) 3,000 (20,684) 0.098 (2.5) 0.276 (7.0) 2.51 (63.7) 3.14 (79.8)3 (75) 750 (5,171) 0.098 (2.5) 0.276 (7.0) 3.29 (83.5) 3.96 (100.5)3 (75) 1,000 (6,895) 0.098 (2.5) 0.276 (7.0) 3.3
43、1 (84.1) 4.00 (101.5)3 (75) 1,500 (10,342) 0.098 (2.5) 0.276 (7.0) 3.36 (85.3) 4.05 (102.9)3 (75) 2,250 (15,513) 0.098 (2.5) 0.276 (7.0) 3.41 (86.5) 4.13 (104.9)3 (75) 3,000 (20,684) 0.098 (2.5) 0.276 (7.0) 3.45 (87.5) 4.17 (106.0)4 (100) 750 (5,171) 0.098 (2.5) 0.276 (7.0) 4.16 (105.7) 4.92 (125.1)
44、4 (100) 1,000 (6,895) 0.098 (2.5) 0.276 (7.0) 4.18 (106.3) 4.96 (125.9)4 (100) 1,500 (10,342) 0.098 (2.5) 0.276 (7.0) 4.22 (107.1) 5.04 (128.1)4 (100) 2,250 (15,513) 0.098 (2.5) 0.276 (7.0) 4.33 (109.9) 5.16 (131.0)4 (100) 3,000 (20,684) 0.098 (2.5) 0.276 (7.0) 4.34 (110.3) 5.20 (132.2)5.5 (140) 750
45、 (5,171) 0.098 (2.5) 0.276 (7.0) 5.74 (145.9) 6.78 (172.3)5.5 (140) 1,000 (6,895) 0.098 (2.5) 0.276 (7.0) 5.77 (146.5) 6.83 (173.5)5.5 (140) 1,500 (10,342) 0.098 (2.5) 0.276 (7.0) 5.81 (147.7) 6.90 (175.1)5.5 (140) 2,250 (15,513) 0.098 (2.5) 0.276 (7.0) 5.85 (148.7) 7.00 (177.8)6 (150) 750 (5,171) 0
46、.098 (2.5) 0.295 (7.5) 6.19 (157.3) 7.25 (184.1)6 (150) 1,000 (6,895) 0.098 (2.5) 0.295 (7.5) 6.22 (158.1) 7.32 (185.9)6 (150) 1,500 (10,342) 0.098 (2.5) 0.295 (7.5) 6.33 (160.7) 7.44 (189.0)6 (150) 2,250 (15,513) 0.098 (2.5) 0.344 (8.75) 6.38 (162.0) 7.60 (192.9)7 (175) 750 (5,171) 0.098 (2.5) 0.29
47、5 (7.5) 7.09 (180.1) 8.16 (207.2)7 (175) 1,000 (6,895) 0.098 (2.5) 0.295 (7.5) 7.12 (181.0) 8.24 (209.2)7 (175) 1,500 (10,342) 0.098 (2.5) 0.295 (7.5) 7.23 (183.6) 8.35 (212.0)7 (175) 2,250 (15,513) 0.098 (2.5) 0.344 (8.75) 7.28 (184.8) 8.50 (216.0)8 (200) 750 (5,171) 0.098 (2.5) 0.354 (9.0) 8.22 (2
48、08.7) 9.75 (247.8)8 (200) 1,000 (6,895) 0.098 (2.5) 0.354 (9.0) 8.25 (209.5) 9.87 (250.8)8 (200) 1,500 (10,342) 0.098 (2.5) 0.354 (9.0) 8.35 (212.2) 9.94 (252.4)8 (200) 2,250 (15,513) 0.098 (2.5) 0.354 (9.0) 8.40 (213.4) 10.15 (257.9)F2805 1147.3 Pressure TestingUnless otherwise specified by thepurc
49、haser, the pipe shall be tested for a minimum of 8 hours at1.3 times the stated design pressure.NOTE 2Apipeline system is typically commissioned after completionby filling it with water and conducting a pressure test. Flexible steel pipebehavior when hydrotested is somewhat different from the behavior ofrigid steel pipes. The layers are un-bonded and upon initial pressurizationundergo a stabilization process referred to as conditioning. After condi-tioning, the pipe is held at the test pressure for a period of time.8. Test Reports and Ce
