Dano pol kare tamo nigin ma ki lwongo ni valveme nyonyo ma pe mako nyal ki pe obi nyal. Ka otimme, twero bedo peko ki nyonyo. Man obedo tam ma pi tye kakare i kom pe niang matut i kom nyonyo ma pe mako nyal, ma bene twero buru i te jami mogo.
nyonyo ma pe mako nyal tye ki kero me gengo yamo ma mako yamo—ma en aye, tek me buru, ki bene tye ki kero me buru i jami ma tye ki acid, alkalis, ki kadu—ma en aye, tek pa balo jami. Ento, dit pa teko ne me gengo balo jami loko ki jami ma tye i kom nyonyo ni, kit ma ki gwoko kwede, kit ma ki tiyo kwede ki kit jami ma ki tiyo kwede me gwoko kwo pa dano.
Steel ma pe mako nyal pol kare ki poko ne i:
Pol kare, malube ki kit ma ki yubu kwede, nyonyo ma ki poko i dul adek: nyonyo ma ki lwongo ni austenitic, nyonyo ma ki lwongo ni ferritic, ki nyonyo ma ki lwongo ni martensitic. I kom jami adek magi ma ki yubu ki nyonyo, pi gin ma mite ki yub mogo, ki nongo nyonyo ma tye ki dul aryo, nyonyo ma tek ki kot ki nyonyo ma ki yubu ki nyonyo ma tye ki iron ma pe okato 50%.
1. Austenitic stainless steel.
Gin ma ki lwongo ni matrix ni tye ki dul ma ki lwongo ni austenite (CY phase) ma tye ki dul ma ki lwongo ni cubic crystal, ma pe ki magnetic, ki ki jingo ne ki tic ma ngiic (ki twero kelo magnetic properties) stainless steel. American Iron and Steel Institute ki keto namba i kin 200 ki 300, ma calo 304.
2. Ferritic stainless steel.
Gin ma ki lwongo ni matrix ni ma loyo ki dul kom ma ki lwongo ni ferrite ((dul acel) me dul kom ma ki lwongo ni cubic crystal structure, ma tye ki magnetic ki pol kare pe twero bedo tek ki lyeto, ento twero bedo tek manok ki tic kwede ki ngiico. American Iron and Steel Institute ki keto lanyut iye ki 430 ki 446.
3. Martensitic stainless steel.
Gin ma ki lwongo ni matrix ni tye gin ma ki lwongo ni martensitic structure (body-centered cubic onyo cubic), magnetic, ki kit ma en tiiyo kwede ki twero loko ki lyeto. Dul ma ki lwongo ni American Iron and Steel Institute ki keto i namba 410, 420 ki 440. Martensite tye ki dul ma ki lwongo ni austenite i rwom ma malo, ki ka ki juku ne i rwom ma opore, dul ma ki lwongo ni austenite ni twero loko doko martensite (ma en aye, ma tek).
4. Austenitic-ferritic (duplex) nyonyo ma pe mako nyal.
Matrix ni tye ki austenite ki ferrite ma tye ki dul aryo, ki gin ma tye i less-phase matrix pol kare kato 15%. En tye ki magnet ki twero jingo ne ki tic kwede i ngiico. 329 obedo gin ma ki yubu ki nyonyo ma pe mako nyal. Ka kiporo ki austenitic stainless steel, dual-phase steel tye ki guvu ma malo, ki tek ne i kom intergranular corrosion ki chloride stress corrosion ki pitting corrosion tye maber.
5. Peko ma ki lwongo ni Precipitation hardening stainless steel.
Gin ma ki lwongo ni matrix ni tye ki kit ma ki lwongo ni austenite onyo martensitic ki twero bedo tek ki precipitation hardening. American Iron and Steel Institute ki keto namba 600, ma calo 630, ma tye 17-4PH.
Ka i lok, medo i kom jami ma ki rubu, tek pa jami ma ki lwongo ni austenitic stainless steel ber tutwal. I kabedo ma pe balo jami, ki tiyo ki nyonyo ma ki lwongo ni ferritic stainless steel. I kabedo ma goro manok, ka jami ni mite ni obed ki guvu ma malo onyo tek ma malo, martensitic stainless steel ki precipitation hardening stainless steel ki twero tic kwede.
Jami ma ki tiyo kwede me yubu nyonyo ma pe mako nyal ki kit ma en tye kwede
01 304 Stainless Steel
En tye i kin jami ma ki tiyo kwede ma pol ki ma ki tiyo kwede ma ki lwongo ni austenitic stainless steels. Ber pi yubu jami ma ki lwongo ni deep-drawn pipelines ki acid pipelines, containers, jami ma ki yubu, kom jami ma pat pat, ki mukene. En bene twero tic kwede me yubu jami ma pe ki magnet, ma lyet manok ki jami.
02 304L Stainless Steel
Me cobo peko pa jami ma ki lwongo ni ultra-low carbon austenitic stainless steel ma ki yubu pi poto pa Cr23C6 ma okelo rweny pa 304 stainless steel i te jami mogo, rwom me tic pa 304 stainless steel tye maber loyo pa 304 stainless steel. Medo i kom teko ma lapiny manok, jami mukene ma tye iye rom ki 321 stainless steel. Ki tiyo kwede tutwal pi jami ma gengo balo ki jami ma pe kitwero keto i tic ki jami ma ki lwongo ni solution treatment inge welding, ki bene ki tiyo kwede me yubu jami ma pat pat.
03 304H Stainless Steel
Dul ma i iye pa 304 stainless steel tye ki rwom me carbon mass ma tye 0.04%-0.10%, ki tic ne i lyeto ma malo ber loyo pa 304 stainless steel.
04 316 Stainless Steel
Medo molybdenum i kom gin ma ki lwongo ni 10Cr18Ni12 steel miyo steel ni bedo ki guvu maber me juku jami ma tye i kin piny ki pitting corrosion. I pii nam ki jami mukene ma pat pat, tek pa buru ne ber loyo 304 stainless steel, ma pol kare ki tiyo kwede pi jami ma gengo buru ne.
05 316L Stainless Steel
Nyo ma ki lwongo ni Ultra-low carbon steel tye ki teko maber me juku balo jami ma tye i kin jami ma ki lwongo ni intergranular corrosion ki ber pi yubu jami ma ki lwongo ni welded parts ki jami ma tye ki dul ma pek, ma calo jami ma gengo buru ne i jami ma ki tiyo kwede me yubu moo.
06 316H Stainless Steel
Dul ma i iye pa 316 stainless steel tye ki rwom me carbon mass ma tye 0.04%-0.10%, ki tic ne i lyeto ma malo ber loyo pa 316 stainless steel.
07 317 Stainless Steel
Gin ma gengo buru ne ki teko me buru ne ber loyo 316L stainless steel, ma ki tiyo kwede me yubu jami ma gengo buru ne ki jami ma ki lwongo ni petrochemical ki organic acid.
08 321 Stainless Steel
Titanium-stabilized austenitic stainless steel, medo titanium me medo kero me gengo balo jami, ki tye ki jami ma tiyo maber i lyeto ma malo, ki twero loko ne ki ultra-low carbon austenitic stainless steel. Medo i kom kare ma pat calo lyeto ma malo onyo teko pa hydrogen, pol kare pe ki miiyo tam me tic kwede.
09 347 Stainless Steel
Niobium-stabilized austenitic stainless steel, medo niobium me medo intergranular corrosion resistance, corrosion resistance i acid, alkali, salt ki jami mukene ma balo ne rom ki 321 stainless steel, tic maber me welding, ki twero tic kwede calo gin ma gengo corrosion ki anti-corrosion. ma calo yubu jami ma ki keto iye jami, paip, jami ma loko lyeto, jami ma ki lwongo ni shafts, furnace tubes i industrial furnaces, ki furnace tube thermometers.
10 904L Stainless Steel
Gin ma ki lwongo ni Super complete austenitic stainless steel obedo gin ma ki lwongo ni super austenitic stainless steel ma ki yubu ki OUTOKUMPU i lobo Finland. , Tye ki teko maber i kom jami ma pe balo jami ma calo sulfuric acid, acetic acid, formic acid ki phosphoric acid, ki bene tye ki teko maber i kom buru ma ki lwongo ni crevice corrosion ki stress corrosion resistance. ber pi rwom ma pat pat me sulfuric acid ma tye piny 70°C, ki tye ki teko maber me gengo buru i acetic acid ki acid ma ki rubu ki formic acid ki acetic acid i rwom mo keken ki rwom me lyeto ma tye i te rwom ma opore.
11 440C nyonyo ma pe mako nyal
Martensitic stainless steel tye ki tek ma malo i kin stainless steels ki stainless steels, ki tek pa HRC57. Ki tiiyo kwede me yubu dog pii, gin ma ki lwongo ni bearings,la pwopovalve cores,la pwopovalve kom, cing,valve yat, ki mukene.
12 17-4PH stainless steel
Gin ma ki lwongo ni Martensitic precipitation hardening stainless steel ki tek pa HRC44 tye ki teko ma malo, tek ki gengo balo ki pe kitwero tic kwede i lyeto ma kato 300°C. Tye ki teko maber me gengo balo piny ki yamo ki acid ma ki keto i pii onyo kadu. Kit ma en gengo kwede buru ne rom ki pa 304 stainless steel ki 430 stainless steel. Ki tiiyo kwede me yubu gin ma ki lwongo ni offshore platforms, turbine blades,la pwopovalve (gin ma ki lwongo ni valve cores, valve seats, sleeves, valve stems) wait.
In valve yubu ki yero, jami ma pat pat, dul, ki rwom me nyonyo ma pe mako nyal pol kare ki nongo. Ka ki yero, peko ni omyera ki nen ki i yoo mapol calo gin ma ki tiyo kwede, rwom me lyeto, rwom me tic, jami ma ki keto i peko, balo, ki wel cente.
Cawa me cwalo: Jul-20-2022
