This regulation specifies chromium-nickel austenitic steel, austenitic-ferritic (bidirectional) stainless steel, iron-nickel alloy and nickel alloy welding materials with equipment design temperature higher than -20°C and pipeline design temperature higher than -29°C. Requirements for welding procedure qualification, welder examination, welding procedures, welding inspection and post-weld treatment. This procedure is applicable to the welding construction of equipment and pipeline arc welding, gas tungsten arc welding, gas metal arc welding and submerged arc welding in petrochemical engineering construction projects.
GB/T 4237 Hot rolled stainless steel plate,sheet and strip*, 2015-09-11 Update
GB/T 983 Covered electrodes for manual metal arc welding of stainless and heat-resisting steels*, 2012-11-05 Update
HG/T 2601 Centrifugal casting alloy tubes for service of pressure bearing at high temperature*, 2011-12-20 Update
JB 4708 Welding procedure qualification for steel pressure vessels
JB/T 4730.5 Nondestructive testing of pressure equipments
JB/T 4747 Technical permission of steel welding rod purchasing for pressure vessels
SH 3501 Construction and acceptance specification for toxic and combustible medium steel piping engineering in petrochemical industry*, 2011-05-18 Update
YB/T 5092 Stainless steel wires for welding*, 2016-10-22 Update
SH/T 3523-2009 history
1970SH/T 3523-2020 Welding specification for petrochemical chromium-nickel stainless steel, iron-nickel alloy, nickel-based alloy and stainless steel clad steel
2009SH/T 3523-2009 Specification for welding of Cr-Ni stainless steel,Fe-Ni and Ni alloy in petrochemical industry
1999SH/T 3523-1999 Code for welding of Cr-Ni austenitic steel, Fe-Ni and Ni alloy pipe for petrochemical industry