Amalungu ensimbi engenasici

Inkcazelo emfutshane:

Intsimbi estainless liqela lealloys eneferrous equlathe ubuncinci obumalunga ne 11% yechromium, ukwakheka okunqanda i-iron ekuruseni kwaye ikwabonelela ngeempawu ezikwaziyo ukumelana nobushushu.Iindidi ezahlukeneyo zensimbi engenasici ziquka izinto zekhabhoni (ukusuka kwi-0.03 ukuya kwi-1.00%), i-nitrogen, i-aluminium, i-silicon, isulfure, i-titanium, i-nickel, ithusi, i-selenium, i-niobium, kunye ne-molybdenum.Iindidi ezithile zensimbi engenasici zihlala zichongwa ngenombolo yazo ye-AISI enamanani amathathu, umzekelo, i-304 engenasici.


Iinkcukacha zeMveliso

Iithegi zeMveliso

Intshayelelo yamalungu entsimbi engenasici:

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.

Uthotho lwempahla yentsimbi

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.

Ukunyangwa kobushushu kweentsimbi ezingenasici

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.

CNC stainless steel turning insert

I-CNC ayinasici
intsimbi yokujika ifake

CNC turning mechanical stainless steel parts

CNC ukuguqula oomatshini
iinxalenye zentsimbi engenasici

CNC turning stainless steel pins

Ukujika kwe-CNC
izikhonkwane zentsimbi

Furniture stainless steel hardware parts

Ifenitshala ingenasici
iindawo zentsimbi yentsimbi

Precision machining stainless steel parts

Ukuchaneka komatshini
iinxalenye zentsimbi engenasici

SS630 Stainless steel valve cnc parts

SS630 Intsimbi engatyiwayo
iindawo zevalve cnc

Stainless steel machining parts

Yenziwe ngentsimbi eshayinayo
iindawo zomatshini

Turning and milling stainless steel parts

Ukujika kunye nokusila
iinxalenye zentsimbi engenasici


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