Stainless steel hi a danglam bik a, a chhan chu rust leh damage hi kawng pawimawh pathum hmanga a do vang a ni. Passive layer venna a nei a, alloying elements chak tak a nei a, special surface features a nei bawk. Passive layer hi a tam zawk chu chromium oxide a ni. He layer hian steel a khuh a, tui leh boruak a block bawk. He barrier hian rust chance a tihhniam a ni. Steel chu rei tak a awm theih nan a pui a ni. Nickel leh molybdenum te hi alloying element an ni. an siam .
Stainless steel hi hmun harsa takah a awm rei zawk. A chung lam a hrual a, a tihfai awlsam bawk.
Stainless steel hian chhiatna a thlen thei. Heng features te hian a eng reng theih nan a pui bawk.
Kan company hian heng property te hi steel solution chak tak tak pe turin a hmang thin.
Passive layer hian corrosion a titawp thei a ni.
He layer hian tui leh boruak laka shield angin hna a thawk a.
A hnathawh dan hi enkawlna leh a hman danah a innghat a ni.
Key takeaways 1000 a ni.
Stainless steel hian rust a titawp a, special layer a awm a, chu chuan tui leh boruak a chhuah tir thei a ni.
Savun nem tak leh puan nem tak hmanga tihfai fo hian he layer hi a nghet a, rust a titawp bawk.
Nickel leh Molybdenum te hian stainless steel a tichak zawk a, rust do turin a pui a, hmun harsa takah pawh a pui bawk.
Stainless steel grade dik tak thlan hi hna tin atan a pawimawh hle a chuvang chuan a rei a, a thawk tha hle.
Smooth surface hian rust tihtawp nan a pui a, a chhan chu tui leh chemical hian steel chu awlsam takin a ti na thei lo.
Chromium & passive layer a awm bawk.
Stainless Steel leh Chromium te a awm bawk.
Chromium hian stainless steel stop rust a pui thin. Chromium hian steel nen a inzawm chuan metal hnathawh dan a thlak danglam thin. Stainless steel hian rust dona atan hian chromium 10.5% tal a mamawh a ni. A chi tam zawk chuan chromium an nei tam zawk. Chromium tam zawk chuan steel hian chemical leh boruak atanga chhiatna a do theih nan a pui a ni. Chromium 12% aia hniam a nih chuan steel hian a shield a hloh a ni. Rust a intan thei a, metal hian protective layer chak tak a siam lo thei bawk.
Stainless steel hian stainless tia koh theih turin chromium 10.5% tal a mamawh a ni.
Chromium tam zawk hian chemical leh boruak laka invenna tha zawk a thlen tihna a ni.
Chromium chu 12% aia tlem a nih chuan a chunglam chuan venhimna layer a hmu lo.
Chromium 12–15% hnuai lam hian thlai chi hrang hrang inkarah rust a thlen thei a ni.
Passive film siam dan tur .
Chromium chu stainless steel-ah chuan boruak atanga oxygen awm nen a inrem a. Hei hian a chungah chromium oxide layer te tak te, chiang tak a siam a. Passive film hian shield ang maiin hna a thawk a. Tui, boruak, leh thil ṭha lo dangte chuan steel a khawih loh nân a titawp a ni. He shield hian stainless steel fight rust a pui thin. Film hi engtiang chiahin nge a thick leh a chak tih hi a awmna hmunah a innghat a ni. Acid ni lo hmunah chuan film hi a nghet reng a, steel a venghim bawk. Acid place-ah chuan film hi a chak lo thei a, rust a intan thei bawk.
Passive film hian a scratch a nih chuan a fix thei a, chuvangin steel chu a him reng a ni.
Hriselna atana tehfung (limits) .
Stainless steel-a passive layer hian hmun tam takah hna a thawk a. Mahse thil thenkhat chuan he shield hi a tichhia thei a ni. Chloride ions in salt and seawater hian passive film a ti na thei a ni. Hei hian khur te te leh rust thuk zawk a siam thin. Base chak tak tak leh moisture tam tak a awm bawk a, shield pawh a chak lo zawk bawk. Thli bawlhhlawh hian rust a ti rang thei. Shield a chhe chuan steel chuan rust leh damage do turin a power a hloh ta a ni.
Chloride ion hian shield chu a ti chhe rang zawk a ni.
Moisture tam tak, chi leh boruak bawlhhlawh hi stainless steel tan chuan harsatna lian tak a ni.
Alloying elements 1000 a awm.
Nickel hian a chanvo a nei a ni.
Nickel hian stainless steel fight rust a pui tha zawk. Nickel a dah chuan passive layer chak tak a siam thin. He layer hian metal chu rust leh harm lakah a him reng a ni. Nickel hian khur te tak te a lo awm loh nan a pui bawk. Heng holes te hi chemical chak tak tak atanga lo chhuak thei a ni. Nickel tlemte pawh, 3% ang chi hian a pui nasa hle. Nickel hian hmun tam takah stainless steel chu a nghetin a awm thei. Tin, steel rusts te pawh a ti slow bawk. Hei hian surface active emaw passive emaw a nih chuan hna a thawk thin. Chuvangin stainless steel tam takah chuan nickel hi a pawimawh hle.
Molybdenum hlawkna .
Molybdenum hian stainless steel-ah hian tanpuina dang a pe a ni. Salt emaw chlorides emaw tamna hmunah chuan a tangkai hle. Molybdenum hian passive film a tihchhiat loh nan a pui a ni. Metal a inbel chak dan pawh a ti hniam bawk. Hun a kal zel a, molybdenum chu a chung lamah a pung chho zel a. Hei hian steel chu rust dona kawngah a ti tha zawk hle. A hnuaia table-ah hian Molybdenum-in a tih dan a tarlang a:
Mechanism 1.1. |
Hrilhfiahna |
Passive film tihchhiat a nih loh nan venna . |
Molybdenum hian passive oxide film a tihchhiat loh nan a pui a, chloride environment-a pitting laka inven theihna a tichak bawk. |
Active metal dissolution tihtlem . |
Molybdenum hian localized corrosion laiin active metal dissolution rate a tihhniam a, repassavation-ah a pui bawk. |
Surface enrichment . |
Molybdenum hian hun kal zelah surface enrichment a lantir a, hei hian corrosion resistance a ti tha zawk a ni. |
Nickel leh molybdenum te hian stainless steel an siam dun a, a rei zawk. Hmun harsa takah pawh chak taka awm turin an pui thin.
Corrosion resistance grade 1000 a awm a.
Stainless steel hi chi hrang hrang a awm a. Type tin hian Rust hi anmahni kawng zawhin an do thin. A hnuaia table hian common grade pathum a khaikhin a:
Stainless Steel Grade 1000 a ni. |
Corrosion resistance level a awm em? |
Thil pawimawh tak tak te . |
304 |
Thunun |
A hman tlangpui nan a tha a, acid leh chlorides aggressive tak tak laka inven theih loh zawk a ni |
316 |
Sang |
Pitting leh crevice corrosion laka invenna tha zawk, tuipui lama hman tur atan a tha |
316L |
A sang hle mai . |
Corrosion resistance tihchak, chemical boruak tha tak nei tur tan a tha ber |
A chi dang, ferritic leh martensitic ang chi te hian hna bik an nei bawk. Ferritic stainless steel hi car trim leh ei tur hmanrua atan hman a ni. Martensitic type hi chemte leh tuihna atan a tha hle. A hmanna tur hmun tur chu type dik tak i thlang tur a ni. Grade alloy tam zawk nei chuan a tir lamah chuan a man a to zawk thei. Mahse an dam rei zawk a, hmun harsa takah pawh fixing an mamawh tlem zawk.
A chung lam thilte .
A chung lam a hrual .
Smooth surface hian stainless steel fight rust a pui thin. Steel a polish chuan a rough lo deuh thin. Hei hian tui emaw chemical emaw ang chi thilte chu beih a harsa zual hle. Pit leh crack tlem zawk chuan rust hian bul tanna tur hmun a nei tlem zawk tihna a ni. A smooth finish hian passive layer chu a form a inang tlang hle. Stainless steel fine finish a awm chuan tihfai a awlsam zawk. Chutiang chuan bawlhhlawh emaw chemical emaw a trap lo.
Smoother finish hian pitting corrosion chance a ti hniam zawk.
Polished surface hian rough te aiin crevice corrosion a do tha zawk.
Electropolished stainless steel hian passive film a nei tha zawk.
A leihnuai a hrual chuan stainless steel chu a eng reng thei. Hmun harsa takah pawh rei zawk a awm theih nan a pui bawk.
Faina leh enkawl dan tur .
Stainless steel tihfai leh enkawl hian passive layer chu a him reng a ni. Regular cleaning hian bawlhhlawh leh thil tha lo a paih chhuak thin. Hei hian passive film chu a nghet reng theih nan a pui a ni. Savun sahbawn leh brush nem tak hmang la, stainless steel chu tifai rawh. A sil zawh chuan tui thianghlim hmangin silfai ang che. Tui hmun leh stain te tihtawp nan puan nem tak hmangin vawt rawh.
Nylon brush hmangin bawlhhlawh chu zawi zawiin scrub rawh.
Stainless steel atana him, soap emaw detergent emaw mild hmang la.
Tui thianghlim hmangin silfai rawh.
Puan nem tak hmangin vawt rawh.
Steel wool emaw chemical na tak tak emaw hmang suh. Carbon steel emaw iron emaw khawih hian rust a thlen thei. Gloves fai tak tak bun hian fingerprint leh marks a titawp a.
Cleaning hian stainless steel fight rust a pui fo thin. A rei zawk nan a pui bawk a, hmun harsa takah pawh a awm thei bawk.
Taksa chhiatna dona .
Stainless steel hi a chak a, a tough bawk. Bending lovin load rit tak tak a handle thei bawk. A harsa a, mahse a chhe lovin a ben thei. Hei hian dent emaw scratch emaw a ti harsa hle.
Thilneih |
Chhawr tangkai |
Tensile chakna sang tak . |
Pressure sang leh stress a handle thin . |
ductility 1000 a ni. |
bends mahse a break lo . |
Harsatna . |
Surface damage leh wear a do thin . |
Heng features te hian stainless steel hi strong leh rust-resistant metal mamawhna hmun atan a tha hle. Scratched emaw dented emaw a nih chuan awlsam takin i fix thei ang. Buffing emaw puan nêm tak hman emaw chuan a thar angin a lang leh thei.
Stainless steel hian kawng pawimawh pathum hmangin rust leh damage a titawp a. Passive layer hian shield angin hna a thawk a, a scratch chuan a insiamrem thin. Alloying elements chromium, nickel, leh molybdenum te hian rust lakah a tichak zawk a ni. A chung lam leh tihfai nan steel chu a eng leh a khauh reng theih nan a pui thin. A hnuaia table hian kawng tinreng a hnathawh dan a tarlang a:
Mechanism 1.1. |
Rust leh damage laka a hlawhtlinna . |
Passive layer a ni . |
Rust block thei shield a siam a, carbon steel a rust rang bawk. |
Mahni inthununna mechanism . |
Shield chu a hliam a nih chuan a lo awm leh a, chromium a awm chhung chuan. |
Environment lam thil 1.1. |
Thil chi, acid leh lumna ang chi thilte hian rust a ti rang thei a ni. |
Hmun tinah stainless steel grade dik tak thlan hi a pawimawh hle. Rust well dotu grade te hi chemical, tui, chi awmna hmunah te a tha ber. Food factory te hian stainless steel an mamawh a, chu chu ei leh in nena inrem lo a ni. Chemical plant te hian dinhmun khirh tak tak tuar thei tur grade an mamawh a ni. Grade dik lo i thlan chuan pitting, crevice, emaw stress corrosion emaw i hmu thei.
Stainless steel hian metal dang aiin a rust tlem zawk a, a lum lai pawhin a rust a ni.
Stainless steel hi hun rei tak a daih a, enkawl a ngai tlem hle. Planet tan pawh a tha hle. A hnuaia table-ah hian heng point tha tak takte hi tarlan a ni:
Chhawr tangkai |
Hrilhfiahna |
A rei thei ang bera hman theih a ni. |
Stainless steel building te hi carbon steel siamna aiin a let hnih velin a sei a ni. |
Maintenance mamawh hniam zawk . |
I siam that tam a ngai lo va, chuvangin hmun tam tak awmna hmun atan a tha hle. |
Optimized weight . |
A chak hle a, chuvang chuan metal tlem zawk i hmang thei a, thil chu za zela 30 thlengin i ti rit thei bawk. |
Awm reng thei |
Stainless steel hi recycle theih a ni a, leilung fai taka awm theih nan a pui bawk. |
Rules hian miten hna tin atan stainless steel grade dik tak an thlan theih nan a pui thin. Hei hian steel chu a thawk tha a, hun rei tak a daih theih nan a pui bawk. Stainless steel hi a danglam bik a, a chhan chu rust a do a, a chak a, kum tam tak a daih a ni.
FAQ a ni.
Eng thilin nge stainless steel hi regular steel aiin a danglam tir?
Stainless steel ah hian chromium leh element dang a awm a. Hengte hian rust block thei tur protective layer an siam a ni. Regular steel hian he shield hi a nei lo a, chuvang chuan a rust rang zawk.
Stainless steel rust hi hmun lum emaw, hmun hnim emaw-ah a awm thei em?
Ni e, stainless steel hi hmun tui emaw, hmun hnim emaw-ah a rust thei. Saltwater-a chlorides hian a venna layer a tichhia thei a ni. Grade dik thlan hian he harsatna hi a veng thei a ni.
Engtin nge miten rust ven nan stainless steel an tihfai ang?
Mite chuan sahbawn nem, tui leh puan nem tak an hmang tur a ni. Steel wool leh harsh cleaner te chu an pumpelh tur a ni. Regular cleaning hian protective layer a tichak reng a ni.
Engvangin nge stainless steel grade thenkhat chu a man a to zawk?
Grades nickel emaw molybdenum emaw tam zawk nen a man a to zawk. Heng elements te hian steel chu rust leh damage lakah a tichak zawk a ni. Grade sang zawk hi hmun harsa takah chuan a rei zawk.
Stainless steel hian a hrual hnuah special care a mamawh em?
Awle. Scratch hian protective layer a tichak lo thei. Faina leh polishing hian layer chu a siam that theih nan a pui a ni. Hei hian steel chu a tichak a, a eng reng bawk.
