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．
本国际标准是根据世界贸易组织技术性贸易壁垒（TBT）委员会发布的《关于制定国际标准、指南和建议的原则的决定》中确立的国际公认的标准化原则制定的。

Designation：D3035－22  型号：D3035-22

1．1 This specification covers polyethylene（PE）pipe made in thermoplastic pipe dimension ratios based on outside diam－ eter IPS $1/2$$1/2$1//21 / 2 to 3 ，for both non－pressure and pressure rated water （see Appendix X1）．Included are requirements for polyethylene compounds and PE plastic pipe，a system of nomenclature for PE plastic pipe，and requirements and test methods for materials，workmanship，dimensions，sustained pressure，and burst pressure．Methods of marking are also given．
1.1 本规范涵盖以热塑性管道尺寸比为基准的外径 IPS $1/2$$1/2$1//21 / 2 至 3 制成的聚乙烯 （PE） 管，适用于非压力和额定压力水（见附录 X1）。包括对聚乙烯化合物和 PE 塑料管的要求，PE 塑料管的命名系统，以及对材料、工艺、尺寸、持续压力和爆破压力的要求和测试方法。

Note 1－Significant changes have been made to this specification to remedy duplication of sizes with other specifications，for DIPS sizes and larger sizes refer to the appropriate standard specification such as Specification F714 or AWWA C906．
注 1 - 对本规范进行了重大更改，以纠正尺寸与其他规格的重复，对于 DIPS 尺寸和更大的尺寸，请参阅适当的标准规范，例如规范 F714 或 AWWA C906。

1．2 For pipes produced under this specification that are intended for use in the distribution and transmission of potable water without oxidizing disinfectants，potable and non－potable water，grey water，reclaimed water，wastewater，force main and gravity municipal sewage，etc，the user should consult the manufacturer to determine whether the fluid being transported is compatible with polyethylene pipe and will not affect the service life beyond limits acceptable to the user．
1.2 对于根据本规范生产的用于无氧化性消毒剂、饮用水和非饮用水、中水、再生水、废水、强制主重力城市污水等的饮用水分配和输送的管道，用户应咨询制造商，以确定所输送的流体是否与聚乙烯管道兼容，并且不会影响使用寿命超出用户可接受的限度。

1．3 For pipes produced under this specification that are intended for use in the distribution and transmission of potable water or other fluids containing oxidizing disinfectants（for example，Hypochlorous acid or chloramines），special require－ ments for PE compounds are specified in 5.2 and 5．3，and DR limitations are specified in 6．2．1．1 and 6．2．2．1．
1.3 对于根据本规范生产的用于饮用水或其他含有氧化性消毒剂（例如次氯酸或氯胺）的流体的分配和输送的管道，5.2 和 5.3 中规定了 PE 化合物的特殊要求，6.2.1.1 和 6.2.2.1 中规定了 DR 限制。

Note 2－Refer to specification AWWA C901 for other suitable potable water options．
注 2 - 有关其他合适的饮用水选项，请参阅规范 AWWA C901。

1．4 The values stated in inch－pound units are to be regarded as standard．The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard．
1.4 以英寸-磅单位表示的值应被视为标准值。括号内给出的值是对 SI 单位的数学转换，仅供参考，不被视为标准。

1．5 The following safety hazards caveat pertains only to the test methods portion，Section 7，of this specification：This
1.5 以下安全隐患警告仅适用于本规范第 7 节的测试方法部分：此

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．
标准并不旨在解决与其相关的所有安全问题（如果有），use.It 本标准的用户有责任建立适当的安全、健康和环境实践，并在使用前确定监管限制的适用性。

1．6 This international standard was developed in accor－ dance with internationally recognized principles on standard－ ization established in the Decision on Principles for the Development of International Standards，Guides and Recom－ mendations issued by the World Trade Organization Technical Barriers to Trade（TBT）Committee．
1.6 本国际标准是根据世界贸易组织技术性贸易壁垒（TBT）委员会发布的《关于制定国际标准、指南和建议的原则的决定》中确立的国际公认的标准化原则制定的。

2．1 ASTM Standards：${}^2$${}^2$^(2){ }^{2}
2.1 ASTM 标准： ${}^2$${}^2$^(2){ }^{2}
D618 Practice for Conditioning Plastics for Testing
D618 用于测试的调理塑料的实践
D1238 Test Method for Melt Flow Rates of Thermoplastics by Extrusion Plastometer
D1238 挤出塑性塑料计热塑性塑料熔体流动速率的测试方法
D1598 Test Method for Time－to－Failure of Plastic Pipe Under Constant Internal Pressure
D1598 恒定内压下塑料管失效时间试验方法
D1599 Test Method for Resistance to Short－Time Hydraulic Pressure of Plastic Pipe，Tubing，and Fittings
D1599 塑料管材、管材、管件短时耐液压试验方法
D1600 Terminology for Abbreviated Terms Relating to Plas－ tics
D1600 与塑料相关的缩写术语的术语
D2122 Test Method for Determining Dimensions of Ther－ moplastic Pipe and Fittings
D2122 测定热塑性管道和管件尺寸的试验方法
D2290 Test Method for Apparent Hoop Tensile Strength of Plastic or Reinforced Plastic Pipe
D2290 塑料或增强塑料管的表观环抗拉强度试验方法
D2837 Test Method for Obtaining Hydrostatic Design Basis for Thermoplastic Pipe Materials or Pressure Design Basis for Thermoplastic Pipe Products
D2837 获得热塑性管材静压设计依据或热塑性管材制品压力设计依据的试验方法
D3350 Specification for Polyethylene Plastics Pipe and Fit－ tings Materials
D3350 聚乙烯塑料管材及管件材料规范
F412 Terminology Relating to Plastic Piping Systems
F412 与塑料管道系统相关的术语
F714 Specification for Polyethylene（PE）Plastic Pipe（DR－ PR）Based on Outside Diameter
F714 基于外径的聚乙烯（PE）塑料管（DR-PR）规范
F2263 Test Method for Evaluating the Oxidative Resistance of Polyethylene（PE）Pipe to Chlorinated Water
F2263 评估聚乙烯（PE）管道对氯化水抗氧化性的测试方法

TABLE 1 Polyethylene Compound Requirements
表1 聚乙烯化合物要求

${}^A\mathrm{HDB}$${}^A\mathrm{HDB}$^(A)HDB{ }^{A} \mathrm{HDB} at ${140}^{\circ }\mathrm{F}\left({60}^{\circ }\mathrm{C}\right)$${140}^{\circ }\mathrm{F}\left({60}^{\circ }\mathrm{C}\right)$140^(@)F(60^(@)C)140^{\circ} \mathrm{F}\left(60^{\circ} \mathrm{C}\right) not required．Contact manufacturer about pipe use at temperatures other than ${73}^{\circ }\mathrm{F}\left({23}^{\circ }\mathrm{C}\right)$${73}^{\circ }\mathrm{F}\left({23}^{\circ }\mathrm{C}\right)$73^(@)F(23^(@)C)73^{\circ} \mathrm{F}\left(23^{\circ} \mathrm{C}\right) ．
${}^A\mathrm{HDB}$${}^A\mathrm{HDB}$^(A)HDB{ }^{A} \mathrm{HDB} 在不需要。 ${140}^{\circ }\mathrm{F}\left({60}^{\circ }\mathrm{C}\right)$${140}^{\circ }\mathrm{F}\left({60}^{\circ }\mathrm{C}\right)$140^(@)F(60^(@)C)140^{\circ} \mathrm{F}\left(60^{\circ} \mathrm{C}\right) 请联系制造商了解管道在 ${73}^{\circ }\mathrm{F}\left({23}^{\circ }\mathrm{C}\right)$${73}^{\circ }\mathrm{F}\left({23}^{\circ }\mathrm{C}\right)$73^(@)F(23^(@)C)73^{\circ} \mathrm{F}\left(23^{\circ} \mathrm{C}\right) 以外的温度下使用。
${}^B$${}^B$^(B){ }^{B} Minimum value．
${}^B$${}^B$^(B){ }^{B} 最小值。
${}^{\text{c}}$${}^{\text{c }}$^("c "){ }^{\text {c }} Contact manufacturer or see PPI TR－4 for listed value．
${}^{\text{c}}$${}^{\text{c }}$^("c "){ }^{\text {c }} 请联系制造商或查看 PPI TR-4 了解标价。
${}^D$${}^D$^(D){ }^{D} See 5．1．1．   ${}^D$${}^D$^(D){ }^{D} 参见 5.1.1。
${}^{\text{E}}$${}^{\text{E }}$^("E "){ }^{\text {E }} See 5.3 for when CC3 classification is required．Oxidative Resistance Classification（CC\＃rating）information is available from NSF International．
有关何时需要进行 CC3 分类， ${}^{\text{E}}$${}^{\text{E }}$^("E "){ }^{\text {E }} 请参阅 5.3。抗氧化性分类 （CC\#rating） 信息可从 NSF International 获得。

2．2 NSF International Standards：${}^3$${}^3$^(3){ }^{3}
2.2 NSF 国际标准： ${}^3$${}^3$^(3){ }^{3}
NSF／ANSI Standard 14 for Plastic Piping Components and Related Materials
NSF/ANSI 塑料管道部件和相关材料标准 14
NSF／ANSI／CAN Standard 61 for Drinking Water System Components－Health Effects
NSF/ANSI/CAN 饮用水系统组件标准 61 - 健康影响
2．3 Other Documents：  2.3 其他文件：
TR－3 Policies and Procedures for Developing Hydrostatic Design Basis（HDB），Pressure Design Basis（PDB）， Strength Design Basis（SDB），and Minimum Required Strength（MRS）Ratings for Thermoplastic Piping Mate－ rials or Pipe ${}^4$${}^4$^(4){ }^{4}
TR-3 热塑性管道材料或管道 ${}^4$${}^4$^(4){ }^{4} 的静水压设计基础（HDB）、压力设计基础（PDB）、强度设计基础（SDB）和最低要求强度（MRS）额定值的制定政策和程序
TR－4 Listing of Hydrostatic Design Bases（HDB），Strength Design Bases（SDB），Pressure Design Bases（PDB）and Minimum Required Strength（MRS）Ratings for Thermo－ plastic Piping Materials or Pipe ${}^4$${}^4$^(4){ }^{4}
TR-4 热塑性管道材料或管道 ${}^4$${}^4$^(4){ }^{4} 的静压设计基础（HDB）、强度设计基础（SDB）、压力设计基础（PDB）和最低要求强度（MRS）等级清单
TN－49 Recommendations for AWWA C901 Service Tubes in Potable Water Applications
TN-49 关于饮用水应用中 AWWA C901 服务管的建议
APWA Uniform Color Code ${}^5$${}^5$^(5){ }^{5}
APWA 统一颜色代码 ${}^5$${}^5$^(5){ }^{5}
AWWA C901 Polyethylene（PE）Pressure Pipe and Tubing， $3/4\mathrm{in}$$3/4\mathrm{in}$3//4in3 / 4 \mathrm{in} ．（ 19 mm ）through 3 in ．（ 76 mm ），for Water Service
AWWA C901 聚乙烯 （PE） 压力管和管道， $3/4\mathrm{in}$$3/4\mathrm{in}$3//4in3 / 4 \mathrm{in} .（19 毫米）至 3 英寸（76 毫米），用于供水服务

AWWA C906 Polyethylene（PE）Pressure Pipe and Fittings， $4\mathrm{in}.(100\mathrm{mm})$$4\mathrm{in}.(100\mathrm{mm})$4in.(100mm)4 \mathrm{in} .(100 \mathrm{~mm}) through $65\mathrm{in}.(1650\mathrm{mm})$$65\mathrm{in}.(1650\mathrm{mm})$65in.(1650mm)65 \mathrm{in} .(1650 \mathrm{~mm}) ，for Water Works
AWWA C906 聚乙烯（PE）压力管和管件， $4\mathrm{in}.(100\mathrm{mm})$$4\mathrm{in}.(100\mathrm{mm})$4in.(100mm)4 \mathrm{in} .(100 \mathrm{~mm}) 通孔 $65\mathrm{in}.(1650\mathrm{mm})$$65\mathrm{in}.(1650\mathrm{mm})$65in.(1650mm)65 \mathrm{in} .(1650 \mathrm{~mm}) ，用于自来水工程

3．1 Definitions－Definitions are in accordance with Termi－ nology F412，and abbreviations are in accordance with Termi－ nology D1600，unless otherwise specified．
3.1 定义 - 除非另有说明，否则定义符合术语 F412，缩写符合术语 D1600。

3．2 Definitions of Terms Specific to This Standard：
3.2 本标准特定术语的定义：
3．2．1 relation between dimension ratio，hydrostatic design stress，and pressure rating－the following expression，com－ monly known as the ISO equation，${}^6$${}^6$^(6){ }^{6} is used in this specification to relate dimension ratio，hydrostatic design stress，and pres－ sure rating：
3.2.1 尺寸比、静压设计应力和压力额定值之间的关系 - 本规范中使用以下表达式，通常称为 ISO 方程， ${}^6$${}^6$^(6){ }^{6} 用于关联尺寸比、静压设计应力和压力额定值：

where：  哪里：
$S=$$S=$S=S= hydrostatic design stress for water at ${73}^{\circ }\mathrm{F}\left({23}^{\circ }\mathrm{C}\right)$${73}^{\circ }\mathrm{F}\left({23}^{\circ }\mathrm{C}\right)$73^(@)F(23^(@)C)73^{\circ} \mathrm{F}\left(23^{\circ} \mathrm{C}\right) ，psi （MPa），
水在 psi （MPa） 处的 ${73}^{\circ }\mathrm{F}\left({23}^{\circ }\mathrm{C}\right)$${73}^{\circ }\mathrm{F}\left({23}^{\circ }\mathrm{C}\right)$73^(@)F(23^(@)C)73^{\circ} \mathrm{F}\left(23^{\circ} \mathrm{C}\right) 静 $S=$$S=$S=S= 压设计应力，
$P=$$P=$P quad=P \quad= pressure rating，psi $(\mathrm{MPa})$$(\mathrm{MPa})$(MPa)(\mathrm{MPa}) ，
$P=$$P=$P quad=P \quad= 压力等级，psi $(\mathrm{MPa})$$(\mathrm{MPa})$(MPa)(\mathrm{MPa}) ，
$D_o=$$D_o=$D_(o)=D_{o}= average outside diameter，in．（mm）
$D_o=$$D_o=$D_(o)=D_{o}= 平均外径，英寸（mm）
$t=$$t=$t=t= minimum wall thickness，in．（ mm ），and，
$t=$$t=$t=t= 最小壁厚，英寸（毫米），以及，
$DR=$$DR=$DR=D R= thermoplastic pipe dimension ratio（ $D_0/t$$D_0/t$D_(0)//tD_{0} / t for PE pipe）．
$DR=$$DR=$DR=D R= 热塑性管材尺寸比（PE 管 $D_0/t$$D_0/t$D_(0)//tD_{0} / t ）。

TABLE 2 IPS Pipe－Outside Diameter ${}^A$${}^A$^(A){ }^{A} and Tolerance
表 2 IPS 管外径 ${}^A$${}^A$^(A){ }^{A} 及公差

${}^4$${}^4$^(4){ }^{4} For a distance to the cut end of the pipe that is the lesser of 11.8 －in（ 300 mm ）or 1.5 times the outside diameter，a diameter reduction of up to $1.5\mathrm{\%}$$1.5\mathrm{\%}$1.5%1.5 \% shall be acceptable．
${}^4$${}^4$^(4){ }^{4} 对于到管道切割端的距离为 11.8 英寸（300 毫米）或外径的 1.5 倍，以较小者为准，直径减小至 $1.5\mathrm{\%}$$1.5\mathrm{\%}$1.5%1.5 \% 此是可以接受的。

4．1 General－This specification covers PE pipe made from PE plastic pipe materials in various dimension ratios and water pressure ratings．
4.1 一般——本规范涵盖各种尺寸比和水压等级的 PE 塑料管材料制成的 PE 管。
4．2 Thermoplastic Pipe Dimension Ratios（DR）－This specification covers PE pipe in various dimension ratios．The pressure rating is uniform for all nominal sizes of pipe for a given PE pipe material and DR．（See Table X1．1．）See 4．3， Special sizes for dimension ratios not listed．
4.2 热塑性管道尺寸比（DR）——本规范涵盖各种尺寸比的 PE 管。对于给定的 PE 管材料和 DR，所有公称尺寸的管道的压力等级都是统一的。（见表 X1.1.）参见 4.3，未列出的尺寸比的特殊尺寸。
4．3 Special Sizes－Where existing system conditions or special local requirements make other diameters or dimension ratios necessary，other sizes or dimension ratios，or both，shall be acceptable in engineered products when mutually agreed upon by the customer and manufacturer if（ $I$$I$II ）the pipe is manufactured from plastic compounds meeting the material requirements of this specification and（2）the strength and design requirements are calculated on the same basis as those used in this specification．
4.3 特殊尺寸 - 如果现有系统条件或特殊当地要求需要其他直径或尺寸比，则其他尺寸或尺寸比或两者兼而有之，在客户和制造商共同同意的情况下，工程产品应可接受，如果 （ $I$$I$II ） 管道由符合本规范材料要求的塑料化合物制成，并且 （2） 强度和设计要求的计算基础与本规范中使用的相同规范。
4．3．1 Piping systems smaller than IPS 4 intended for appli－ cations using oxidizing disinfectants shall not utilize a DR numerically greater than（have a wall thickness thinner than） DR 9．Refer to 1．3，5．4，6．2．1．1 and 6．2．2．1．
4.3.1 用于使用氧化性消毒剂应用的小型于 IPS 4 的管道系统不得使用数值大于 DR 9.参见 1.3、5.4、6.2.1.1 和 6.2.2.1 的 DR。

5．1 Polyethylene Compounds－Polyethylene compounds suitable for use in the manufacture of pipe under this specifi－ cation shall meet thermoplastic materials designation codes PE1404 or PE2708 or PE3608 or PE4608 or PE4710，and shall meet Table 1 requirements for PE1404 or PE2708 or PE3608 or PE4608 or PE4710，and shall meet thermal stability， brittleness temperature and elongation at break requirements in accordance with Specification D3350Oxidative Resistance Classification of CC3 is required in specific end use applica－ tions as per 5．3．
5.1 聚乙烯化合物 - 适用于本规格下管道制造的聚乙烯化合物应符合热塑性材料名称代码 PE1404 或 PE2708 或 PE3608 或 PE4608 或 PE4710，并应满足表 1 中 PE1404 或 PE2708 或 PE3608 或 PE4710 的要求，并应满足符合规范 D3350 的热稳定性、脆性温度和断裂伸长率要求 CC3 的抗氧化性分类要求具体的最终用途应用符合 5.3。

5．1．1 Color and Ultraviolet（UV）Stabilization－Per Table 3，polyethylene compounds shall meet Specification D3350 code C，D or E．In addition，Code C polyethylene compounds shall have 2 to 3 percent carbon black，and Code E polyethyl－ ene compounds shall have sufficient UV stabilizer to protect pipe from deleterious UV exposure effects during unprotected outdoor shipping and storage for at least eighteen（18）months． Oxidative Resistance Classification of CC3 is required in specific end use applications as per 5．3．
5.1.1 颜色和紫外线 （UV） 稳定性 - 根据表 3，聚乙烯化合物应符合规范 D3350 代码 C、D 或 E.In 添加，代码 C 聚乙烯化合物应含有 2% 至 3% 的炭黑，代码 E 聚乙烯化合物应具有足够的紫外线稳定剂，以保护管道在无保护的户外运输和储存期间免受有害的紫外线照射影响至少十八 （18） 个月。CC3 的抗氧化性分类在特定的最终用途应用中是必需的根据 5.3。

5．1．2 Colors for solid color，a color shell layer，or color stripes used to identify pipe service or pipe DR－In accordance with the APWA Uniform Color Code，blue shall identify potable water service；green shall identify sewer service； purple（lavender）shall identify reclaimed water service．Yel－ low identifies gas service and shall not be used．Colors used to identify DR may be used in accordance with end user specifi－ cations．
5.1.2 用于识别管道服务或管道 DR 的纯色、彩色外壳层或彩色条纹的颜色 - 根据 APWA 统一颜色代码，蓝色应标识饮用水服务;绿色应标识下水道服务;紫色（薰衣草）应标识再生水服务。Yel- low 标识燃气服务，不得使用。用于识别 DR 的颜色可根据最终用户的规范使用。

5．2 Heath Effects Requirments－Products intended for con－ tact with potable water，or when otherwise required，shall be certified for conformance with NSF／ANSI Standard No． 61 or the health effects portion of NSF／ANSI／CAN Standard No． 14 by an acceptable certifying organization．
5.2 健康影响要求 - 用于与饮用水接触的产品，或在其他要求时，应由可接受的认证机构证明符合 NSF/ANSI 第 61 号标准或 NSF/ANSI/CAN 第 14 号标准的健康影响部分。

5．3 Oxidative Resistance－For pipe that is intended for use in the transport of potable water or other fluids containing oxidizing disinfectants（for example，Hypochlorous acid or chloramines），or where required by the application，customer or regulatory authority having jurisdiction，the PE compound shall have an oxidative resistance classification of CC3 in accordance with Specification D3350．The oxidative resistance classification of CC3 is used in conjunction with pipe dimen－ sions in accordance with 6．2．1．1 and 6．2．2．1 to ensure intended pipe service life is met with respect to oxidative resistance（see Note 3）．When the pipe meets these requirements，it shall be marked CC3 in accordance with 9．1．7．When the pipe does not meet the compound and dimensional requirements as above it shall not be marked CC3．An oxidative resistance classification is not required for other potable water service or other fluids that do not contain oxidizing disinfectants or when it is not required by the application，customer or regulatory authority having jurisdiction．
5.3 抗氧化性 - 对于用于运输饮用水或其他含有氧化性消毒剂（例如次氯酸或氯胺）的液体的管道，或在应用、客户或有管辖权的监管机构要求的情况下，PE 化合物应具有符合规范 D3350 的 CC3 抗氧化性分类。CC3 的抗氧化性分类与管道尺寸结合使用，符合与 6.2.1.1 和 6.2.2.1 一起确保在抗氧化性方面满足预期的管道使用寿命（见注 3）。当管道符合这些要求时，应按照 9.1.7 标记为 CC3。当管道不符合上述化合物和尺寸要求时，不应标记为 CC3。其他饮用水服务或其他流体不需要抗氧化分类不含氧化性消毒剂或应用、客户或有管辖权的监管机构不需要的消毒剂。

Note 3－See PPI TN－49 or www．plasticpipe．org for further information on potable water disinfectants in small diameter PE pipe and the use of oxidative resistance classification for specific applications．
注 3-有关小直径 PE 管中饮用水消毒剂以及特定应用中抗氧化性分类的使用的更多信息，请参阅 PPI TN-49 或 www.plasticpipe.org。

Note 4－Pipe failure analysis for the oxidative resistance 5.3 is based on Type 2 failures and the brittle failure line extrapolation．See ASTM F2263 Standard Test Method for Evaluating the Oxidative Resistance of Polyethylene（PE）Pipe to Chlorinated Water for brittle failure definition and Fig． 1 for a pictorial lifetime representation．
注 4 - 抗氧化性的管道失效分析 5.3 基于 2 类失效和脆性失效线外推。有关脆性失效定义，请参阅 ASTM F2263 评估聚乙烯 （PE） 管道对氯化水抗氧化性的标准测试方法，以及图 1 的图形寿命表示。

5．4 Rework Material－Clean，rework material from the manufacturer＇s own pipe production that met 5.1 through 5.3 as new compound is suitable for use when blended with new compound of the same material designation and oxidative resistance classification．Pipe containing the rework material shall meet the requirements of this specification．
5.4 返工材料 - 清洁的，制造商自己生产的符合 5.1 至 5.3 的新化合物的返工材料适合与相同材料名称和抗氧化性分类的新化合物混合使用。含有返工材料的管道应符合本规范的要求。

6．1 Workmanship－The pipe shall be homogeneous throughout and free from visible cracks，holes，foreign inclusions，or other defects．The pipe shall be as uniform as commercially practicable in color，opacity，density，and other physical properties．
6.1 工艺——管道应整体均匀，无可见裂纹、孔洞、异物夹杂物或其他缺陷。管道在颜色、不透明度、密度和其他物理性能方面应在商业上可行的情况下尽可能均匀。

6．2．1 Outside Diameters－The outside diameters and toler－ ances shall be as shown in Table 2 when measured in accordance with Test Method D2122．For diameters not shown in Table 2，the tolerances shall be the same percentage of the outside diameter as those for the closest listed diameter．
6.2.1 外径 - 根据试验方法 D2122 测量时，外径和公差应如表 2 所示。对于表 2 中未显示的直径，公差应与最接近的列出直径的外径百分比相同。