Intsimbi engatyiwayo liqela leentsimbi ezixubeneyo eziqulathe ubuncinci obumalunga ne-11% yechromium, ukwakheka okunqanda intsimbi ekuruseni kwaye ikwabonelela ngeempawu ezimelana nobushushu.Iintlobo ngeentlobo zentsimbi ecocekileyo ziquka izinto zekhabhoni (ukusuka kwi-0.03% ukuya kuthi ga kwi-19 I-1.00%), i-nitrogen, i-aluminium, i-silicon, isulfure, i-titanium, i-nickel, ithusi, i-selenium, i-niobium, kunye ne-molybdenum.Umgangatho we-ISO 15510 udwelisa ukubunjwa kweekhemikhali zeentsimbi ezingenasici kwiinkcazo kwi-ISO ekhoyo, i-ASTM, i-EN, i-JIS, kunye nemigangatho ye-GB (isiTshayina) kwitheyibhile yokutshintshana eluncedo.
Ukuxhathisa kwentsimbi engagqwali kwiziphumo zokurusa kubukho bechromium kwialloyi, eyenza ifilim ekhuselweyo ekhusela izinto ezisisiseko kuhlaselo lomhlwa, kwaye inokuziphilisa phambi kweoksijini.Ukumelana nokubola kunokwandiswa ngakumbi ngezi ndlela zilandelayo. :
1. ukwandisa umxholo wechromium ukuya ngaphezu kwe-11%.
2. yongeza i-nickel ubuncinane kwi-8%.
3. yongeza i-molybdenum (ekwaphucula ukuxhathisa kwi-corrosion pitting).
Ukongezwa kwe-nitrogen kuphucula ukuxhathisa kwi-corrosion ye-pitting kwaye kwandisa amandla omatshini. Ngaloo ndlela, kukho amanqanaba amaninzi ensimbi engenasici kunye nemixholo ye-chromium kunye ne-molybdenum ukuze ihambelane nokusingqongileyo i-alloy kufuneka inyamezele.
Ukuchasana nokugqwala kunye nokungcolisa, ukugcinwa okuphantsi, kunye ne-luster eqhelekileyo yenza insimbi engenasici ibe yinto efanelekileyo kwizicelo ezininzi apho zombini amandla entsimbi kunye nokuxhatshazwa kwe-corrosion kuyadingeka.Ngaphezu koko, intsimbi engatyiwayo inokuqengqeleka ibe ngamashiti, iipleyiti, imivalo, ucingo, kunye netyhubhu.Ezi zinokusetyenziswa kwi-cookware, i-cutlery, izixhobo zotyando, izixhobo ezinkulu, izithuthi, izinto zokwakha kwizakhiwo ezikhulu, izixhobo zoshishino (umzekelo, kwii-mills zephepha, izityalo zekhemikhali, ukucocwa kwamanzi), kunye neetanki zokugcina kunye neetanki zeekhemikhali kunye neemveliso zokutya.Ukumelana ne-corrosion ye-corrosion, ukukhululeka kwayo kunokucocwa ngomphunga kunye nokucoca, kunye nokungabikho kwesidingo sokugquma komhlaba kuye kwabangela ukuba kusetyenziswe isinyithi esingenasici kwiikhikhini kunye nezityalo zokulungisa ukutya.
I-Austenitic stainless steel iyona ntsapho inkulu yeentsimbi ezingenasici, ezenza malunga nesibini kwisithathu sayo yonke imveliso yensimbi engenasici (jonga amanani okuvelisa ngezantsi).Baphethe i-austenitic microstructure, ejongene ne-cubic crystal structure.Le microstructure iphunyezwa ngokuxutywa kwentsimbi ene-nickel eyaneleyo kunye / okanye i-manganese kunye ne-nitrogen ukugcina i-microstructure ye-austenitic kuwo wonke amaqondo obushushu, ukusuka kummandla we-cryogenic ukuya kwindawo yokunyibilika. .Ke, iintsimbi ze-austenitic ezingenasici azenzi lukhuni ngonyango lobushushu kuba zinesakhelo se-microstructure efanayo kuwo onke amaqondo obushushu.
Iintsimbi ze-Austenitic ezingenasici zinokuphinda zohlulwe zibe ngamaqela amancinci amabini, uthotho lwama-200 kunye nothotho lwama-300:
Ii-series ze-200 ziyi-alloys ye-chromium-manganese-nickel eyenza ukusetyenziswa kwe-manganese kunye ne-nitrogen ukunciphisa ukusetyenziswa kwe-nickel.Ngenxa yokongezwa kwabo kwenitrogen, banayo malunga ne-50% yamandla esivuno esiphezulu kunama-300 amacwecwe angenasici entsimbi.
Uhlobo lwama-201 luqina ngokusebenza okubandayo.
Uhlobo lwe-202 luyintsimbi yenjongo eqhelekileyo.Ukuncipha komxholo we-nickel kunye nokwanda kwe-manganese kubangela ukuxhathisa okubuthathaka kwe-corrosion.
300 uthotho ialloyi chromium-nickel ukuphumeza microstructure yabo austenitic phantse kuphela nge nickel alloying;amanye amabakala kakhulu-alloyed aquka ezinye nitrogen ukunciphisa iimfuno nickel.I-300 series lelona qela likhulu kwaye lisetyenziswa kakhulu.
Uhlobo lwe-304: Ibakala elaziwa kakhulu yi-Type 304, eyaziwa ngokuba yi-18/8 kunye ne-18/10 ngokuqulunqwa kwayo kwe-18% ye-chromium kunye ne-8% / 10% ye-nickel, ngokulandelanayo.
Uhlobo lwe-316: Intsimbi yesibini eqhelekileyo ye-austenitic i-stainless steel Type 316. Ukongezwa kwe-2% molybdenum kunika ukuchasana okukhulu kwi-acids kunye ne-corrosion yendawo ebangelwa yi-chloride ions.Iinguqulelo zekhabhoni ephantsi, ezifana ne-316L okanye i-304L, zineziqulatho zekhabhoni ezingaphantsi kwe-0.03% kwaye zisetyenziselwa ukuphepha iingxaki ze-corrosion ezibangelwa yi-welding.
Iintsimbi ze-Martensitic stainless zingaphathwa ubushushu ukunika iimpawu ezingcono zoomatshini.
Unyango lobushushu lubandakanya amanyathelo amathathu:
I-Austenitizing, apho intsimbi ishushu kwiqondo lokushisa kwi-980-1,050 ° C (1,800-1,920 ° F), kuxhomekeke kwibakala.I-austenite ebangelwayo inobuso obuphakathi kwe-cubic crystal structure.
Ukucima.I-austenite iguqulwa ibe yi-martensite, i-hard body-centered tetragonal crystal structure.I-martensite ecinyiweyo inzima kakhulu kwaye i-brittle kakhulu kwizicelo ezininzi.Enye intsalela ye-austenite ingahlala.
Ukufudumeza.I-Martensite ifudunyezwa ukuya kutsho kuma-500 °C (932 °F), igcinwe kwiqondo lobushushu, emva koko ipholiswe ngumoya.Amaqondo obushushu aphezulu anciphisa amandla esivuno kunye nokomelela kokugqibela kodwa anyusa ubude kunye nokumelana nempembelelo.
I-CNC ayinasici
intsimbi yokujika ifake
CNC ukuguqula oomatshini
iinxalenye zentsimbi engenasici
Ukujika kwe-CNC
izikhonkwane zentsimbi
Ifenitshala ingenasici
iindawo zentsimbi yentsimbi
Ukuchaneka komatshini
iinxalenye zentsimbi engenasici
SS630 Intsimbi engatyiwayo
iindawo zevalve cnc
Yenziwe ngentsimbi eshayinayo
iindawo zomatshini
Ukujika kunye nokusila
iinxalenye zentsimbi engenasici