1、5.0 ADDITIONAL REQUIREMENTS补充要求5.1 Repair修补5.2 Basic Requirements for Working During Unfavorable Weather Conditions对工作期间不适宜的气候条件的基本要求6.0 INSPECTION AND TESTING检验和试验6.1 Weld Quality and Weld Inspection焊缝质量和焊缝检查6.2 Visual Testing外观检查6.3 In-Process Examination中间检查6.4 General Non-Destructive Examination
2、 （NDE） Requirements总的无损检验要求6.5 Magnetic Particle Testing （MT） 磁粉检验（MT）6.6 Liquid Penetrant Testing （PT） 液体渗透检验（PT）6.7 Radiographic Testing （RT） 射线检验（RT）6.8 Ultrasonic Testing （UT） 超声波检验（UT）6.9 Weld Hardness Testing焊缝硬度试验6.10 Ferrite Control铁素体控制6.11 Positive Material Identification （PMI） 精确材料鉴定6.12
3、Pipe Welds: Extent of Examination管道焊接：检验范围7.0 requirEments for SUPPLIER or sub-contractor DOCUMENTs对供货商及分包商的文件要求7.1 QA / QC Plan QA / QC计划7.2 Welding Procedure Specifications （WPSs） 焊接工艺规定（WPSs）7.3 Procedure Qualification Records （PQRs） 工艺评定记录7.4 Weld Matrix Table焊缝矩阵表7.5 Weld Mapping焊缝图7.6 NDE Proc
4、edures无损检验流程7.7 PWHT Procedures 焊后热处理流程This standard covers the minimum welding requirements to be met for shop and field fabricated piping including piping components such as valves, weld overlayed flanges and piping specialty items. The requirements for the welding of piping which are supplied as
5、part of an equipment package are outside the scope of this standard 该标准涉及车间及现场制配管道应予满足的最低的焊接要求，包括管件，诸如阀门、堆焊法兰和某些管道专业内容，作为整套设备构成部分的管道的焊接要求不适用于该标准。Welding and other criteria covered by this standard shall meet or exceed the requirements of any codes and standards referenced herein or in the purchase s
6、pecification. In case of conflict between the requirements of this standard and such codes, SECCO shall be consulted and a ruling in writing shall be obtained by the Supplier before any work is done. Some requirements in this standard may be modified by specific requirements in the purchase specific
7、ation. In case of conflict, the specific requirements supersede this standard.此标准所涉及的焊接和其他标准应满足或超过采购规范书或此文件所述的任何规范和标准的要求，如果在该标准的要求和这样的规范发生冲突，应向SECCO进行咨询，并应向供货商求取书面规则内容，然后方可进行任何工作。按照采购规范书中的特殊要求，该标准中的一些内容可以被修改。但如有冲突，应以具体要求为主。This specification requires compliance with all chinese laws and regulations
8、which may be applicable. The following documents, including applicable addenda, constitute a part of this standard as described herein. The referenced edition of these documents shall be that which is in effect as of the issue date of this specification.该规范要求遵守中国所有适用的法律和规定。下面的文件包括所有适用附件，均为此标准的组成部分。这
9、些文件的参考版本在说明书的发行日期内有效。API American Petroleum Institute美国石油协会API 1104 Welding of Pipelines and Related Facilities管线及相关设施的焊接ASME American Society of Mechanical Engineers美国机械工程师协会Boiler and Pressure Vessel Code锅炉和压力容器规范Section I Power Boilers动力锅炉Section II Part C Welding Rods, Electrodes and Filler Meta
10、ls焊条、电极和填充金属Section V Non Destructive Testing无损检验Section VIII Pressure Vessels, Division I压力容器，分类ISection IX Welding and Brazing Qualifications焊接和钎焊评定B31.1 Power Piping动力管道B31.3 Process Piping工艺管道 B31.4 Liquid Transportation Systems For Hydrocarbons, Liquid Petroleum Gas, Anhydrous Ammonia and Alcoh
11、ols烃类、液化气、无水氨和酒精的液体输送系统B31.8 Gas Transmission and Distribution Piping Systems气体传输和分配管道系统ASNT American Society for Non-Destructive Testing美国无损检验协会SNT-TC-1A Recommended Practice荐用惯例ASTM American Society for Testing and Materials美国试验和材料协会E-10 Standard Test Method for Brinell Hardness Test of Metallic M
12、aterials金属材料布氏硬度标准试验方法3.1.1 Non destructive examination, where required shall be performed in accordance with the following standards/codes. 无损检验依照下列标准/规范进行METHOD方法STANDARD标准Magnetic Particle Testing （MT）磁粉检验ASME V, Article 7Liquid Penetrant Testing （PT）液体渗透检验ASME V, Article 6Radiographic Testing （R
13、T）射线检验ASME V, Article 2Ultrasonic Testing （UT）超声波检验ASME V, Article 5Non-destructive examination for Pressure Vessel有关压力容器的无损检验JB47303.1.2 Acceptance Criteria验收标准Acceptance criteria shall be in accordance with the applicable design code: ASME B31.3, ASME B31.1 or API 1104 for ASME B31.4 and ASME B31.
14、8, Piping Systems. The design code is indicated in the SECCOs Engineering Standard SD-00-TSC-PP-0001 Piping Material.验收标准应符合适用的设计规范，管道系统ASME B31.3，ASME B31.1，API 1104（ASME B31.4和ASME B31.8）设计规范已在SECCO工程标准SD-00-TSC-PP-0001管道材料中指明。Chinese Codes: 中国规范：Code for Construction and Acceptance of Field Equip
15、ment, Industrial Pipe Welding Engineering - GB 50236-98现场设备、工业管道焊接工程施工及验收规范-GB50236-98Specification for construction and acceptance of hypertoxic and combustible medium piping engineering in petrochemical industry-SH3501石油化工剧毒可燃介质管道工程施工及验收规范-SH3501Petrochemical Welding Procedure Between the Differen
16、t Material SH 3526-92石油化工异种材料焊接工艺-SH3526-92 Petrochemical Welding Procedure for The Low Temperature Material SH 3525 92石油化工低温材料焊接工艺-SH3525-92SD-00-TSC-PP-0001 Piping Materials管道材料SD-00-TSC-PP-0004 Piping Fabrication Requirements管道制作要求SD-00-TSC-MS-0027 Fabricated pipingPositive Materials Identificati
17、on（PMI） 制配管道-精确材料鉴定（PMI）4.1 Welding Processes and Restrictions焊接工艺和限定The following welding processes are permitted:以下焊接工艺是允许的：Shielded Metal-Arc Welding （SMAW）手工电弧焊（SMAW）The SMAW process shall not be used for welding the root pass of groove welds welded from one side only, except for non-impact test
18、ed carbon steels （P-1）, NPS 3 and greater.SMAW工艺不应用于单面焊坡口根部焊道的焊接，但未作冲击试验的碳钢（P-1），NPS 3及高于NPS 3的情况除外。The maximum bead width shall be a nominal 3X the electrode core diameter, with a maximum of 5/8 （16 mm）.最大焊道宽度通常是焊芯直径的3X 且最大值为5/8 英寸（16mm）。Gas Tungsten-Arc Welding （GTAW）.钨极气体保护电弧焊The maximum bead wid
19、th shall be 3/8 in. （10 mm）.最大焊道宽度3/8 英寸（10mm）Submerged Arc Welding （SAW）.埋弧焊（SAW）Automatic submerged-arc welding （SAW-AU） with the following restrictions:自动埋弧焊（SAW-AU）有如下限制：The application is not field fabricated piping.应用在非现场安装的管道。Flux used shall be neutral and shall not contribute alloying elemen
20、ts to the weld.使用中性焊剂并且焊缝中不允许带有合金元素。The maximum bead width shall be 7X the electrode diameter.最大焊道宽度是焊条直径的7倍。Gas Metal-Arc Welding （GMAW） - Short Arc and Globular Transfer熔化极气体保护焊-短弧和粗滴过度。The Gas metal arc welding （GMAW） Short-arc or globular transfer processes may ONLY be used subject to the follow
21、ing restrictions:熔化极气体保护焊（GMAW）-短弧和粗滴过度的应用取决于下列限制内容：The application is ASME B31.3 piping.适用于ASME B31.3的管道。The application is shop fabricated piping.适用于工厂预制管道。The material is carbon steel （P-1）.材料为（P-1）的碳钢。The maximum weld thickness is 0.375 in. （10 mm） where the process is used for fill and cap pass
22、es. This restriction does not apply to root welds.当该工艺用于填充和正面焊道时，最大焊缝厚度为0.375英寸（10mm）。该限制不适用于根部焊缝。The minimum pipe diameter for piping butt weld joints is NPS 3 （75 mm）.管道对接焊接头最小管径为NPS 3（75mm）。The maximum bead width shall be 1/2 in. （13 mm）.最小焊道宽度为1/2英寸（13mm）。The welding position shall be 1G rotated
23、 or 5G.焊接位置为1G（旋转）或5G。The GMAW short-arc process shall not be used for welding socket welds or the root pass of O-lets and branch connections.GMAW 短弧工艺不适用于承插焊、O型管台和支管连接处的根部焊道。GMAW short-arc tack welds shall not be incorporated into the root pass.GMAW 短弧定位焊缝不能并到根部焊道中。At least five percent of the weld
24、s shall be 100 percent radiographed.至少5%的焊缝需进行100%射线检验。Flux Cored Arc Welding （FCAW） and GMAW - Spray Transfer管状焊丝保护电弧焊（FCAW）和GMAW喷射过渡The flux cored-arc welding （FCAW） process, and GMAW process with spray transfer, may be used for P-1 through P-8 Group 1 materials, subject to SECCO approval in writi
25、ng, provided:管状焊丝保护电弧焊（FCAW）工艺和喷射过渡GMAW工艺，可以用于P-1至P-8的组1材料，但须经SECCO项目书面批准，假定：Service is not ASME B31.3 category M （as defined by SECCO）.介质为非ASME B31.3种类的材料（由SECCO确定）。At least five percent of the welds shall be 100 percent radiographed or ultrasonically examined.至少5%的焊缝需100%射线或超声波检验。A shielding gas i
26、s employed and the transfer mode is not short-arc.使用保护气体且过渡方式并非为短弧。The maximum bead width shall be 3/4 in. （19 mm）.最小焊道宽度为3/4英寸（19mm）The FCAW process shall not be used for the root pass of single-sided joints.FCAW工艺不适用于单面接头的根部焊道。The application is for shop fabrication.对工厂制配适用。Plasma Arc Welding （PAW
27、）等离子弧焊接（PAW）Plasma-arc Welding （PAW） may be used for:等离子弧焊接可以用于： Hard surfacing, overlaying and fully automatic butt welding. 表面淬火、堆焊和全自动对接焊接。 For welding, Titanium, Zirconium, Hastelloy, Monel, Duplex stainless steel or other corrosion resistant alloys （CRAs）. 该焊接对于钛、锆、铜-镍合金、双联不锈钢或其它抗腐蚀合金适用。4.1.1 W
28、elding processes other than those listed above require specific written approval by SECCO and shall not be assumed as acceptable by the Supplier during bid preparation.除了以上所列出的焊接工艺外，其它工艺需要SECCO批准同意，并且不应假定在投标书编制阶段已被供货商接受。4.1.2 The following restrictions and limitations apply to all welding processes:
29、下面限制和限定将应用于所有焊接工艺：All welding processes shall be protected from wind, rain, and other weather conditions that can affect weld quality.风、雨和其他影响焊接质量的气候，焊接必须采取保护措施。Welding techniques shall be selected to ensure that specified tolerances for straightness and out-of-roundness are not exceeded. If such tolerances are not stated in the drawings, standards, or specifications, the applicable section of the relevant code shall govern.焊接工艺的选择应确保直度及椭圆度的规定允差不被超出，如果该允差在图纸、标准或说明书中未被规定，应以相关规范的适用部分为主。Each pass shall be cleaned free of slag bef
