Tu siriɔs ɔstɛns stiɛl dɛn de .
300 Series stenless steel mainly rialize in austenitic structure bay we i ad nikel. Kɔmɔn 304 stenlɛs stiɛl ɛn 316L stenlɛs stiɛl na fɔ dis siriɔs. Di 200 siriɔs stenlɛs stiɛl de tek ples fɔ manganɛs ɛn naytrɔjen instead ɔf nikel, ɛn di nikel kɔntinyu rili smɔl. Di kɔmɔn 201 stenlɛs stiɛl ɛn 202 stenlɛs stiɛl na fɔ dis siriɔs.
300 Series Stainless Steel na di big siriɔs wan. Di kayn we we kɔmɔn pas ɔl ɛn we kɔmɔn pas ɔl na Ɔstenitik stenlɛs stiɛl na Tayp 304, we dɛn kin kɔl bak 18/8 ɔ A2. tin dɛn lɛk 304 stenlɛs stiɛl prɔdak, kuk ɛn kichin ikwipmɛnt. 316 Seris stenlɛs stiɛl na di nɛks kɔmɔn Ɔstenitik stenlɛs stiɛl. כlmost 300 siriכs, lεk tayp 316, de kכntεn sכm mכlibden dεm bak fכ protεkt rεsistεns to asid dεm εn i de inkrεs di rεsistεns to lokalizεd atak (lεk pitting εn crevis kכroshכn).
Di ay naytrɔjen adishɔn na di 200 siriɔs gi am di ay mɛkanikal trɛnk fɔ di 300 siriɔs. Ɔstenitik stenlɛs stiɛl na di kayn 309 ɛn 310 fɔ ay tɛmpracha aplikeshɔn dɛn we pas 800°C. Karakta dɛm fɔ 200 siriɔs stenlɛs stiɛl: Pan ɔl we Crevice Corrosion, di 200 siriɔs nɔ ebul pas di 300 siriɔs fɔ mek dɛn nɔ gɛt pitting kɔrɛshɔn, we kin apin na envayrɔmɛnt dɛn we gɛt ay mɔstɔ ɛn klorin kɔntinyu, ɛn kres kɔroshɔn, we kin mek di wata nɔ strɔng ɛn di ay asid ɛnvayrɔmɛnt. Dis na bikɔs, fɔ mek dɛn ebul fɔ ridyus di nikel kɔntinyu, di kromiɔm kɔntinyu fɔ ridyus bak, so dat go ridyus di kɔrɛshɔn rɛsistɛns.
200 Seris stenlɛs stiɛl dɛn na impak rɛsistɛns ɛn taf ivin na lɔw tɛmpracha. Dɛn kin jɔs at ɛn strɔng pas 300 siriɔs stɛl, mɔ bikɔs ɔf dɛn ay naytrɔjen kɔntinyu, we de wok as riinfɔs ɛjɛn. Bikɔs dɛn na austenitic, 200 ɛn 300 siriɔs stɛl dɛn nɔ dia. Bɔt di fɔmabiliti (ductility) fɔ 200 siriɔs stɛl smɔl pas di wan we gɛt 300 siriɔs stɛl, pan ɔl we dɛn kin impruv dis bay we dɛn ad kɔpa.
Alloy 20 (Carpenter 20) na austenitic stenless steel we gɛt fayn fayn resistans to ɔt sɔlfɔrik asid ɛn bɔku ɔda agresiv ɛnvayrɔmɛnt dɛn ɛn i kin atak tayp 316 stenlɛs stiɛl. Di alɔy de sho fayn fayn rɛsistɛns to strɛs kɔrɛshɔn krak insay bɔylin 20-40% sɔlfɔrik asid. Alloy 20 gɛt fayn fayn mɛkanikal prɔpati ɛn di prɛzɛns fɔ niobium na di alɔy de minimiz kabɔd prɛsipitashɔn di tɛm we dɛn de wɛl. Akɔdin to di difrɛn kwaliti dɛn we difrɛn matirial dɛn gɛt, di arenjmɛnt ɛn distribyushɔn fɔ di arch dɛn fɔ difrɛn bak, so dat dɛn go ebul fɔ gɛt smɔl tolɛreshɔn ɛn gud moldin rit. So, Hangao Tech (Seko Machinery) go ɔltɛm tɔk to dɛn bɔt difrɛn paramita dɛn kwik kwik wan, afta dɛn dɔn gɛt kwɛstyɔn frɔm di kɔstɔma dɛn, so dat dɛn go gi kɔstɔma dɛn mɔ kɔrɛkt sɔlvishɔn bɔt stenlɛs stiɛl industrial paip prodakshɔn layn tiub mil mashin dɛn we mit di aktual prodakshɔn nid dɛn.
Ɔstenitik stenlɛs stiɛl dɛn kin tɛst bay nɔ-dɛstruktiv tɛst we dɛn de yuz day penɛtrant inspekshɔn we dɛn de yuz, ɔ yuz ɛdi kɔrɛnt tɛst, bɔt nɔto bay magnɛtik patikyula inspekshɔn we dɛn de yuz.
