Development ofnuclear grade welding material CHW-SEF3HR1N/CHF703HR1
The CHW-SEF3HR1/CHF703HR1 nuclear grade welding material was developed,and the com-bined welding test of the matching welding wire flux was carried out.The welding material with performance meeting the requirements of low alloy steel in nuclear power engineering was obtained by adjusting the slag sys-tem and alkalinity.The newly developed CHF703HR1flux with welding wire CHW-SEF3HR1has good welding process performance,stable arc and good deslagging in the welding process.The mechanical properties and low temperature impact toughness of the deposited metal meet the technical requirements,which is fully applicable to the welding of low alloy steel for steam generator in nuclear power engineering.
NETL
NSTL
万方数据
