Indlela yokukhetha insimbi engagqwali

Kunezici ezintathu eziyinhloko ezithinta ukugqwala kwensimbi engagqwali ngezansi:

1.Okuqukethwe kwezakhi ze-alloying, ngokuvamile, okuqukethwe kwe-chromium ngensimbi engu-10.5% ngeke kugqwale kalula.

Ukuphakama kokuqukethwe kwe-chromium ne-nickel, kuba ngcono ukumelana nokugqwala.Ngokwesibonelo,

okuqukethwe kwe-nickel ku-304 impahla ngu-8-10%, futhi okuqukethwe kwe-chromium kufinyelela ku-18-20%.

Insimbi enjalo engenasici ngeke igqwale ngaphansi kwezimo ezijwayelekile.

Ibanga Si Fe Cu Mn Mg Cr Zn Ti Okujwayelekile
1070 0.2 0.25 0.04 0.03 0.03 / 0.04 0.03 EN/ASTM
3003 0.6 0.7 0.05-0.2 1.0-1.5 / / 0.10 / EN/ASTM
5052 0.25 0.40 0.10 0.10 2.2-2.8 0.15-0.35 0.10 0.10 EN/ASTM

2.Inqubo yokuncibilikisa yomkhiqizi izophinde ithinte ukumelana nokugqwala kwensimbi engagqwali.

Isitshalo esikhulu sensimbi engagqwali esinobuchwepheshe obuhle bokuncibilikisa,

imishini ethuthukisiwe nobuchwepheshe obuphambili kungaqinisekisa ukulawulwa kwezinto ezixubile,

ukususwa kokungcola, nokulawula izinga lokushisa lokupholisa le-billet,

ngakho ikhwalithi yomkhiqizo izinzile futhi inokwethenjelwa, ikhwalithi yangaphakathi yinhle, futhi akulula ukugqwala.Ngokuphambene nalokho,

ezinye izigayo zensimbi ezincane zinemishini ebuyela emuva kanye nobuchwepheshe.Ngesikhathi sokuncibilikisa,

ukungcola akunakususwa, futhi imikhiqizo ekhiqizwayo izogqwala nakanjani.

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3.Imvelo yangaphandle, indawo eyomile futhi engenawo umoya akulula ukugqwala.Nokho,

umswakama womoya uphezulu, isimo sezulu esinemvula eqhubekayo, noma indawo ene-pH ephezulu emoyeni kulula ukugqwala.

304 insimbi engagqwali, uma indawo ezungezile iyimbi kakhulu, izogqwala.

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Amakhasimende amaningi aya emakethe ukuyothenga insimbi engagqwali futhi alethe uzibuthe omncane.

Ngaphandle kwamagnetism, ngeke kube nokugqwala.Eqinisweni, lokhu ukuqonda okungalungile.

I-non-magnetic stainless steel strip inqunywa ukwakheka kwesakhiwo.

Ngesikhathi senqubo yokuqinisa, insimbi encibilikisiwe izokwakha "ferrite", "austenite",

"martensite" nezinye izinsimbi ezingenasici ezinezakhiwo ezahlukene.Phakathi kwazo,

Izinsimbi ze-"ferrite" "Umzimba" kanye "ne-Martensitic" zonke zingazibuthe.

Insimbi engagqwali “ye-Austenitic” inezakhiwo ezinhle zemishini,

ukusebenza kwenqubo kanye nokushisela, kodwa kuphela mayelana nokumelana nokugqwala,

insimbi engagqwali kazibuthe "i-ferritic" inamandla kune-"austenitic" yensimbi engagqwali.

Njengamanje, okubizwa ngokuthi uchungechunge lwama-200 kanye nochungechunge lwama-stainless steels angama-300 aphakeme

okuqukethwe kwe-manganese nokuqukethwe kwe-nickel ephansi emakethe akukona kazibuthe,

kodwa ukusebenza kwabo kuhluke kakhulu kulokho kwe-304 enokuqukethwe okuphezulu kwe-nickel.Kunalokho,

304 yeluliwe, yafakwa, yapholishwa, futhi yaphonswa.Ukwelashwa kwenqubo nakho kuzoba yi-micro-magnetic,

ngakho-ke kuwukungaqondi kahle futhi akusiyo isayensi ukwahlulela ikhwalithi yensimbi engagqwali ngaphandle kozibuthe.


Isikhathi sokuthumela: Aug-19-2020