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GB 50236-2011 PDF English


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GB 50236-2011English125 Add to Cart 0-9 seconds. Auto-delivery. Code for construction of field equipment, industrial pipe welding engineering Valid
GB 50236-1998English1899 Add to Cart 11 days Code for construction and acceptance of field equipment, industrial pipe welding engineering Obsolete
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GB 50236-2011: PDF in English

GB 50236-2011 GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA UDC P GB 50236-2011 Code for Construction of Field Equipment, Industrial Pipe Welding Engineering ISSUED ON. FEBRUARY 18, 2011 IMPLEMENTED ON. OCTOBER 1, 2011 Jointly Issued by. Ministry of Housing and Urban-Rural Development of the People's Republic of China; General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China Forward According to the requirements of Document Jian Biao [2007] NO.126 issued by the former Ministry of Construction (MOC) - "Notice on Printing and Publishing the Development and Revision Plan of National Engineering Construction Standards and Codes in 2007 (2nd Batch)", this code is revised on the base of "Code for Construction and Acceptance of Field Equipment, Industrial Pipe Welding Engineering" (GB 50236-98) by the chief development organizations the China Petroleum & Chemical Engineering Survey and Design Association and the China Petroleum Jilin Chemical Engineering & Construction Co., Ltd. jointly with the organizations concerned, and the standard name was changed to "Code for Construction of Field Equipment, Industrial Pipe Welding Engineering" after revision. During the revision process of this code, the code drafting group revised, examined and finalized this standard upon carrying out extensive investigation and study, earnestly summarizing practical experiences, referring to related international standards and advanced foreign standards, and soliciting opinions widely. This code comprises 13 chapters and four appendixes. Its main technical contents include. general provisions, terms, basic requirements, materials, welding procedure qualification, welding skill qualification, welding of carbon steel and alloy steel, welding of aluminium and aluminium alloy, welding of copper and copper alloy, welding of titanium and titanium alloy, welding of nickel and nickel alloy, welding of zirconium and zirconium alloy as well as welding inspection and hand over of welding engineering, etc. There have been some significant changes in this code in the following technical aspects. 1 The application scope was modified, the metallic materials such as titanium alloy (low alloy titanium), zirconium and zirconium alloy as well as welding methods such as electroslag welding and stud welding were added. 2 The inapplicable scope was deleted. 3 Chapter "Terms" was added. 4 The relevant requirements for inspection, preservation and application of welding materials were supplemented. 5 The contents of welding procedure qualification and welding skill qualification were modified and adjusted according to current relevant standard. 6 The new welding technologies, new procedures and quality requirements such as electroslag welding, stud welding and dual phase steel welding of carbon steel and alloy steel were supplemented. The requirements of the conditions for preheating before welding and heat treatment after welding were modified. 7 The procedure requirements of brass tungsten inert gas arc welding were supplemented. 8 The welding procedures and quality requirements for titanium and titanium alloy equipment were added. 9 The welding procedures and quality requirements for metal inert gas arc welding and submerged arc welding of nickel and nickel alloy as well as the nickel and nickel alloy equipment were added. 10 The welding procedures and quality requirements for the tungsten inert gas arc Table of Contents Forward ... 4  1 General Provisions ... 7  2 Terms ... 8  3 Basic Requirements ... 9  4 Materials ... 11  5 Welding Procedure Qualification ... 14  6 Welding Skill Qualification ... 15  7 Welding of Carbon Steel and Alloy Steel ... 19  7.1 General Requirements ... 19  7.2 Preparation before Welding ... 19  7.3 Requirements of Welding Procedure ... 22  7.4 Weld Preheating and Post-weld Heat Treatment ... 25  8 Welding of Aluminium and Aluminium Alloy ... 28  8.1 General Requirements ... 28  8.2 Preparation before Welding ... 28  8.3 Requirements of Welding Procedure ... 30  9 Welding of Copper and Copper Alloy ... 32  9.1 General Requirements ... 32  9.2 Preparation before Welding ... 32  9.3 Requirements of Welding Procedure ... 33  10 Welding of Titanium and Titanium Alloy ... 35  10.1 General Requirements ... 35  10.2 Preparation before Welding ... 35  10.3 Requirements of Welding Procedure ... 36  11 Welding of Nickel and Nickel Alloy ... 38  11.2 Preparation before Welding ... 38  11.3 Requirements of Welding Procedure ... 39  12 Welding of Zirconium and Zirconium Alloy ... 41  12.1 General Requirements ... 41  12.2 Preparation before Welding ... 41  12.3 Requirements of Welding Procedure ... 42  13.1 Inspection before Welding ... 44  13.2 Inspection in the Mid of Welding ... 44  13.3 Inspection after Welding ... 45  13.4 Hand over of Welding Engineering ... 47  Appendix A Welding Procedure Specification Form ... 49  Appendix B Welding Performance Qualification Record, Welding Performance Qualification Result Form and Welding Performance Certification Form ... 52  Appendix C Type and Size of Welding Groove for Common Use ... 56  Appendix D Selection of Welding Materials ... 67  Explanation of Wording in This Code ... 73  List of Quoted Standards ... 74  1 General Provisions 1.0.1 This Code was formulated with a view to improving the construction level of welding engineering for equipment in construction site of engineering construction and the industrial metallic pipeline, strengthening the quality control in construction process of welding engineering, and guaranteeing the engineering quality and engineering safety. 1.0.2 This Code is applicable to the welding engineering construction of the materials made of carbon steel, aluminium and aluminium alloy, copper and copper alloy, titanium and titanium alloy (low alloy titanium), nickel and nickel alloy as well as zirconium and zirconium alloy. 1.0.3 The welding methods applicable to this Code include gas welding, shielded metal arc welding, submerged arc welding, tungsten inert gas arc welding, metal inert gas arc welding, self-shielded flux cored arc welding, electroslag welding and stud welding. 1.0.4 The welding engineering construction shall be carried out according to the requirements of the design document and this Code. 1.0.5 Where the design document needs be modified or the material needs be substituted, it shall be approved by the original design organization and issued with written document. 1.0.6 This Cod... ......
Source: Above contents are excerpted from the PDF -- translated/reviewed by: www.chinesestandard.net / Wayne Zheng et al.