Standard No.:	JGJ 18-2012
English Name:	Specification for welding amd aceptance of reinforcing steel bars
Chinese Name:	钢筋焊接及验收规程
Professional Classification:	JG    Professional Standard - Building
Issued by:	MOHURD
Issued on:	2012-3-1
Implemented on:	2012-8-1
Status:	valid
Superseding:	JGJ 18-2003 Specification for Welding and Acceptance of Reinforcing Steel Bars
Language:	English
File Format:	PDF
Word Count:	20000 words
Price(USD):	280.0
Delivery:	via email in 1 business day

1.0.1 This specification was formulated with a view to adopting reasonable welding procedure and unified quality acceptance criteria, achieving construction safety, guaranteeing quality, advanced technology, material and energy conservation in the welding procedure of reinforcing steel bars. 1.0.2 This specification is applicable to welding procedure of reinforcing steel bars and the quality inspection and acceptance in generally industrial and civil construction engineering concrete structure. 1.0.3 Welding procedure of reinforcing steel bar and the quality inspection and acceptance shall not only be carried out according to this specification, but also meet the requirements of relevant current national standards.

1 General Provisions 2 Terms and Symbols 3 Materials 4 Welding of Reinforcing Steel Bar 4.1 Basic Requirements 4.2 Resistance Spot Welding of Reinforcing Steel Bar 4.3 Flash Butt Welding of Reinforcing Steel Bar 4.4 Flash Butt Welding of Stirrup 4.5 Arc Welding of Reinforcing Steel Bar 4.6 Electroslag Pressure Welding of Reinforcing Steel Bar 4.7 Gas Pressure Welding of Reinforcing Steel Bar 4.8 Submerged-arc Pressure Welding of Reinforcing Steel Bar at Prefabricated Components 4.9 Submerged-arc Stud Welding of Reinforcing Steel Bar at Prefabricated Components 5 Quality Inspection and Acceptance 5.1 Basic Requirements 5.2 Welded Frame and Welded Fabric of Reinforcing Steel Bar 5.3 Flash Butt Welded Joint of Reinforcing Steel Bar 5.4 Flash Butt Welded Joint of Stirrup 5.5 Arc Welded Joint of Reinforcing Steel Bar 5.6 Electroslag Pressure Welded Joint of Reinforcing Steel Bar 5.7 Gas Pressure Welded Joint of Reinforcing Steel Bar 5.8 T-joint of Reinforcing Steel Bar at Prefabricated Components 6 Weldor Examination 7 Welding Safety Appendix A Quality Acceptance Record of Inspection Lot for Welded Joints of Reinforcing Steel Bar Appendix B The Certificate of Weldor examination of Reinforcing Steel Bar Explanation of Wording in This Specification List of Quoted Standards

*GB/T 700-2006 Carbon structural steels
*GB/T 1591-2008 High Strength Low Alloy Structural Steels
*GB/T 3863-2008 Industrial oxygen
*GB/T 5117-2012 Covered electrodes for manual metal arc welding of non-alloy and fine grain steels
*GB/T 5118-2012 Covered electrodes for manual metal arc welding of creep-resisting steels
*GB 6819-2004 Dissolved acetylene
*GB/T 8110-2008 Welding electrodes and rods for gas shielding arc welding of carbon and low alloy steel
*GB 9052.1-1998 Liquefied petroleum gas of oil and gas field
*GB 11174-2011 Liquefied petroleum gases
*JGJ/T 27-2014 Standard for Test Methods of Welded Joint of Steel Bars
*HG/T 2537-1993 Carbon Dioxide for Welding Usage