Austenitic stainless steel betumi ayɛ weld denam argon tungsten arc welding (Tig), argon arc welding a ayɛ molten (MIG), plasma argon arc welding (Paw) ne nsu ase arc welding (SAW) so. Austenitic stainless steel wɔ welding current a ɛba fam esiane ne melting point a ɛba fam, ɔhyew a ɛkɔ fam, ne resistivity kɛse nti. Ɛsɛ sɛ wɔde weld ne beads a ɛyɛ teateaa di dwuma de tew bere a wɔde tena ɔhyew mu kɛse so, siw carbide a ɛtɔ gu fam ano, ɛtew weld shrinkage stress so, na ɛtew ɔhyew mu mpaapaemu nkate so. Sɛ wɔyɛ welded paipu no na wɔde weld yɛ wie a, wobetumi asan de ɔhyew a wɔde yɛ dade no ayɛ dade no ntam nhyehyɛe no. Hangao Tech . Thermal insulation type Online Furnace a ɛyɛ hyew . Ɔtrɛw ɔhyew bere a ɛwɔ paipu no mu denam ɔhyew a ɛma ɔhyew no fã no kɔ soro so, sɛnea ɛbɛyɛ a wobetumi de weld ne base ade no ayɛ biako yiye.
Nneɛma a ɛwɔ welding nneɛma mu, titiriw Cr ne Ni alloying elements, korɔn sen nea ɛwɔ nnyinaso nneɛma mu no. Fa welding nneɛma a ferrite kakraa bi (4-12%) wom di dwuma na ama woatumi agyina mpaapaemu ano yiye (awɔw mu mpaapaemu, mpaapaemu a ɛyɛ hyew, adwennwen a ɛpaapae) adwumayɛ a weld no yɛ. Sɛ wɔmma ferrite phase no kwan anaasɛ ɛrentumi nyɛ yiye wɔ weld no mu a, ɛsɛ sɛ welding ade no yɛ welding ade a ɛwɔ MO, MN ne alloy elements afoforo.
Ɛsɛ sɛ C, S, P, Si, ne NB a ɛwɔ welding ade no mu no sua sɛnea ɛbɛyɛ yiye. NB bɛma austenite weld a ɛho tew no mu mpaapaemu aba, nanso wobetumi akwati ferrite kakraa bi a ɛwɔ weld no mu no yiye. Wɔ welding structures a ɛsɛ sɛ wɔma stabil anaasɛ stress-relieved akyi welding, NB-a ɛwɔ welding nneɛma na wɔtaa de di dwuma. Wɔde arc welding a ɛwɔ nsu ase no di dwuma de weld mfinimfini mprɛte no, na CR ne Ni a ɛrehyew no betumi ayɛ nea ɛka ho denam nsakrae a ɛba wɔ nsu a ɛtwetwe ne nneɛma a wɔde afrafra a ɛwɔ welding waya no mu no so; Esiane sɛ ɛhyɛn mu kɛse nti, ɛsɛ sɛ wɔde wɔn adwene si so na wɔasiw awo ntoatoaso a ɛyɛ hyew a ɛwɔ weld no mfinimfini ne corrosion resistance a ɛwɔ ɔhyew a ɛka beae no nna so tew no ano. Ɛsɛ sɛ wɔde wɔn adwene si welding wire a ɛyɛ tratraa a wɔbɛpaw ne welding heat a wɔde hyɛ mu ketewaa bi so. Ɛsɛ sɛ welding wire no nya SI, S, ne P. ferrite a ɛwɔ dade a ɛnyɛ den a ɛnyɛ hyew weld no mu no, ɛnsɛ sɛ ɛboro 5%. Wɔ austenitic stainless steel a Cr ne Ni a ɛwɔ mu no boro 20% no, ɛsɛ sɛ wɔpaw MN a ɛkorɔn (6-8%) welding wire, na ɛsɛ sɛ wɔde alkaline anaa neutral flux di dwuma sɛ flux de siw SI a wɔde bɛka weld no ho na ama ne krak ahoɔden no atu mpɔn. Special flux ma austenitic stainless steel no nni SI a ɛkɔ soro kakraa bi pɛ, a ebetumi de aduru no akɔ weld no mu na ama alloy elements a ɛrehyew no atua ka de adi weld adwumayɛ ne nnuru a wɔde yɛ adwuma no ahwehwɛde ahorow ho dwuma.
