若到货的管道组成件实物标识不清或与质量证明文件不符或对产品质量证明文件中的特性数据或检验结果有异议，供货方应按相应标准作验证性检验或追溯到产品制造单位。异议未解决前，该批产品不得使用。 Certificate
of qualification of products shall be checked before use. If marks of the constituent
elements are unclear, or not conform to certificate of qualification, or there
is objection about performance data or inspection result in certificate of
qualification, the Supplier shall carry out experimental verification based
upon related standard or track back to the manufacture. Before settlement of
objection, the products can’t be used. 5.1.4管道组成件在使用前应进行外观检查，其表面质量应符合相应产品标准的规定，不合格者不得使用。 5.1.4 Appearance
inspection of constituent elements of pipeline shall be carried out before use.
Quality of their surfaces shall meet the specification in corresponding
standard. Unqualified product can’t be used. 5.1.5合金钢管道组成件主体的关键合金成分，应根据本规范规定的比例采用光谱分析或其他方法进行半定量分析复查，并作好标识。 5.1.5
Certain proportion specified in the Specification of alloyed steel pipeline’s
main body, alloying component, shall be checked with spectral analysis method
or other methods. Marks shall be made. 5.1.6设计文件有低温冲击值要求的材料，产品质量证明文件应有低温冲击韧性试验值，否则应按GB 4159的规定进行补项试验。 5.1.6 If there are requirements
for low temperature impact value of a material in design document, certificate
of qualification of the material shall have low temperature impact toughness
test value; otherwise, additional test shall be done according to GB 4159. 5.1.7凡按规定作抽样检查或检验的样品中，若有一件不合格，必须按原规定数加倍抽检，若仍有不合格，则该批管道组成件不得使用，并应作好标识和隔离。 5.1.7 If one of samples is
unqualified during sampling inspection, certain amount specified in the
Specification of products shall be inspected. If there still is unqualified
product, the batch of products can’t be used. And they shall be marked and
separated with other products. 5.1.8管道组成件应分区存放，且不锈钢管道组成件不得与非合金钢、低合金钢接触。 5.1.8 Constituent elements of pipeline shall be stacked by areas.
Constituent elements of stainless steel pipeline can’t contact non-alloyed
steel and low alloy steel. 5.2 管子检验 Inspection of pipe 5.2.1输送有毒、可燃介质的管子，使用前应按设计文件要求核对管子的规格、数量和标识。 5.2.1 Specification, quantity and mark of pipe conveying hypertoxic and
combustible medium shall be checked according to the design document. 5.2.2管子的质量证明文件应包括以下内容： 5.2.2 Certificate
of Qualification of pipe shall contain following contents: a 产品标准号； a Product
standard number of product; b 钢的牌号； b Brand of
steel; c 炉罐号、批号、交货状态、重量和件数； c Stove
number, lot number, delivery state, weight and number of packages; d 品种名称、规格及质量等级； d Name,
specification and quality level of variety; e 产品标准和订货合同中规定的各项检验结果； e Results of
all inspections specified in product standard and contract; f 制造厂检验印记。 f Inspection
stamp of manufacturer. 5.2.3若到货管子钢的牌号、炉罐号、批号、交货状态与质量证明文件不符，该批管子不得使用。 5.2.3 If brand, stove number, lot number and delivery state of pipe steel
don’t conform to certificate of qualification, the batch of pipes can’t be
used. 5.2.4有耐晶间腐蚀要求的材料，产品质量证明文件应注明晶间腐蚀试验结果，否则应按GB/T 4334.1~6中的有关规定，进行补项检验。 5.2.4 If the material is required to resist intercrystalline corrosion,
result of intercrystalline corrosion test shall be written in the certificate
of qualification; otherwise, additional test shall be done according to GB/T
4334.1~6. 5.2.5输送毒性程度为极度危害和高度危害介质管子的质量证明文件中应有超声波检测结果，否则应按GB 5777的规定，逐根进行检验。 5.2.5 Ultrasonic detection result for pipe conveying utmost hazard or
high hazard medium shall be written in certificate of qualification; otherwise,
each pipe shall be detected according to GB 5777. 5.2.6钢管的表面质量应符合下列规定： 5.2.6 Surface
quality of steel pipe shall meet following specifications: a 钢管内、外表面不得有裂纹、折叠、发纹、扎折、离层、结疤等缺陷； a There shall be no crack, fold, hairline
crack, wrinkle, separation layer or scab on inner or exterior surface of steel
pipe. b 钢管表面的锈蚀、凹陷、划痕及其他机械损伤的深度，不应超过相应产品标准允许的壁厚负偏差； b Depth of
rust, hollow , scratch and other mechanical damages can’t exceed the permissible
variation of wall thickness. c 钢管端部 -----------------------主要业务------------------------------------------------ 企业咨询项目 雨正咨询--我们不是全能型的咨询机构，我们只做我们所擅长的，我们致力于把我们所擅长的项目做到最专业，让能够成为我们客户的企业，用最低的成本、最短的时间通过各项许可证项目的评审。 优势项目： 特种设备许可证
