Austenitic stainless steel chi hrang hrang a awm a, 304 stainless steel hi a takah chuan austenitic stainless steel chi khat a ni. Chuvangin a tha leh tha lo pawh a pawimawh lo. hangao tech (Seko Machinery) tih a ni a. Stainless Steel Industrial Precision Pipe Production Line Duct Making Making Making Making Making Making Making Making Making Making Making Making Making Making Making Making Making Making Making Making Making Making Making Making Making Making Making Making Making Making Making Making Making Making Making Making Making Making Making Making hian special process requirement i neih chuan, internal weld leveling, in-line bright solid solution, emaw weld processing atana quality sang tak mamawhna i neih chuan kan custom production line hian a hmu vek thei a ni.
Austenitic stainless steels hi stainless steel chhungkaw hman tam ber a ni a, tun hnaia market share 75% a ni. A hming ang bawkin microstructure hi austenite phase atanga siam a ni. 300 series-ah chuan chromium awm zat chu 16%-22% a ni a, nickel awm zat chu 8%-14% a ni. Nickel hian ductility a tihpun laiin, commodity price volatility a thlen awlsam hle. Kum 2007 khan ton khatah $50,000 a tling a, mahse tunah chuan ton khatah $10,000 a hnaih tawh. 200 series hi nickel man to tak rulhna tur atana siam a ni a, nickel content ṭhenkhat chu manganese leh nitrogen hmanga thlak a ni.
Austenitic stainless steel 304 stainless steel hman tam ber a ni.
A composition ah hian 18% chromium leh 8% nickel a awm a, a then chuan 18-8 stainless steel tia sawi a ni bawk. Mahse, he hming hi general use atan chuan a tha lo va, heng elements te tana allowable range-a tolerances te hi grade dang nen an inzawm tlat a ni. Entirnan, SS31 hian chromium leh nickel awm zat inang chiah a nei a, mahse additional corrosion resistance atan 2% vel molybdenum a nei bawk. Welding emaw annealing cooling lai hian chromium carbide chu microstructure grain boundary-ah a lo awm thin. Heng hmunah te hian chromium hian a chhehvela metals te tihchhiatna tur carbides a pe chhuak thin. Austenitic stainless steel low carbon version chu suffix L hmangin a tarlang a, chu chu 304L emaw 316L emaw a ni. Sensitization venna kawng dang chu titanium emaw niobium emaw dah belh a ni a, chu chuan carbon nen a inzawm duh zawk a ni.
Austenitic stainless steel hi heat treatable a ni lo .
200, 300, 400 series stainless steel zinga ṭhenkhat chu forming process chhunga chak zawka awm theih nan an thawkrim a, mahse austenitic stainless steel hi machine-ah chuan a rang zawk a, a rang zawk bawk. Austenitic stainless steel-te hian a tlangpuiin overall corrosion resistance, formability leh weldability an nei tha zawk laiin, nickel man inthlak danglamna avangin company thenkhat chuan ferritic alloys siam chhuahna tur machining modification an siam a ni.
Temperature sang tak hmannaah chuan, exhaust system 1650 degree Fahrenheit thleng thei ang chi, ferritic stainless steel te hian tensile property tha zawk leh thermal fatigue laka inven theihna an nei tha zawk. Austenitic stainless steel aiin thermal expansion a hniam zawk a, thermal conductivity a sang zawk bawk. Ferritic stainless steel te chu a lum chhoh zel chuan a chhe vek a. Transition temperature hi 32 degree fahrenheit vel a ni a, mahse alloy composition ah a innghat thung. Austenitic stainless steels hi temperature hniam takah chuan brittle a ni lo.
