Stainless simbi ndiro kuita: kurwisa ngura

Simbi isina tsvina ine general corrosion resistance yakafanana neisina kugadzikana nickel-chromium alloy 304. Kupisa kwenguva refu mutembiricha ye chromium carbide madhigirii kunogona kukanganisa alloys 321 uye 347 muhasha corrosive media. Inonyanya kushandiswa mukupisa kwekushisa kwepamusoro, zvinyorwa zvinofanirwa kuve nekupikisa kwakasimba kwekunzwa kudzivirira intergranular corrosion pamatembiricha akadzika.

high tembiricha oxidation kuramba

Stainless simbi mahwendefa anoshingirira kune yakanyanya tembiricha oxidation, asi iyo oxidation mwero inokanganiswa nezvinhu zvemukati senge kuratidzwa nharaunda uye chimiro chechigadzirwa.

zvinhu zvemuviri

Kupisa kwese kuchinjisa coefficient yesimbi kunoenderana nezvimwe kunze kwekupisa kwekupisa kwesimbi. Muzviitiko zvakawanda, kupisa kwekupisa coefficient yefirimu, oxide scale uye mamiriro epamusoro esimbi. Simbi isina simbi inochengeta nzvimbo yakachena, saka inoitisa kupisa zviri nani pane mamwe masimbi ane yakanyanya kupisa conductivity. Liaocheng Suntory Stainless Steel Regulations 8. Mitemo yeTechnical yeStainless Steel Plates Mahwendefa esimbi asina kusimba ane simba rakanakisa rekudzivirira, kukotama kushanda, kuoma kwezvikamu zvakashongedzwa, uye kutsika kwekushanda kwezvikamu zvakasungwa uye nzira dzadzo dzekugadzira. Kunyanya, ine C: 0.02% kana pasi, N: 0.02% kana pasi, Cr: 11% kana kupfuura uye pasi pe17%, zvakakodzera ine Si, Mn, P, S, Al, Ni, uye inogutsa 12≤Cr Mo 1.5Si≤17. Pisa ndiro yesimbi isina tsvina ne 1≤Ni 30(CN) 0.5(Mn Cu)≤4, Cr 0.5(Ni Cu) 3.3Mo≥16.0, 0.006≤CN≤0.030 kusvika 850～1250℃ kana kuwedzera kupisa/kutonhora ℃. Nenzira iyi, inogona kuve yakasimba-yakasimba simbi ndiro, ine chimiro chine zvinopfuura 12% martensite vhoriyamu, ine simba rakakwirira rinopfuura 730MPa, corrosion resistance uye kuita kwekukotama, uye ine kusimba kwakanakisa munzvimbo yewelding-inobatwa nekupisa. Kudzokororwa kushandiswa kweMo, B, nezvimwewo kunogona kuvandudza zvakanyanya kuita kwekutsika kwezvikamu zvakashongedzwa.

Oxygen uye gasi marimi haigoni kucheka simbi isina tsvina nokuti simbi isina tsvina haigoni kusvibiswa nyore nyore.