Dhanu pol kare paru niyavalvepa stainless steel man ebi nyai ungo. Ka etimere, ecopu bedu peko ku cuma. Eni ubedo paru ma rac pa ngati acel ikum bedo ma dhanu ungiyu ngo ikum stainless steel, ma copo bedu nyai i thenge moko.
Stainless steel utiye ku keru mi juku lyethu ma wok kud i yamu—eni, ecungo ikum nyai, man bende etiye ku copo mi nyai i piny ma tingo asidi, alkalis, man kadu—eni, bedo tek pa nyai. Ento, dit pa kero pare mi juku lyethu lokere ku kit ma cuma pare utiye kudu, kite ma jugwoku kudu, kite ma jutiyo kudu man kit piny ma jutiyo kudu pi gwoko piny.
Stainless steel pol kare jupoko i:
Pol kare, nimakere ku kit ma juyubu ku cuma, cuma ma nyai ungo jupoko i dul adek: cuma ma nyai ma nyai, cuma ma nya nya nya ma ferritic, man cuma ma nya nya ma nya nya. I kum lembe adek ma pigi tek maeni, pi yeny man tic moko, juyubu dual-phase steels, precipitation-hardening stainless steels man high-alloy steels ku iron content ma piny pa 50%.
1. Austenitic stainless steel.
Matrix utiye ku kit austenite (CY phase) ma nen ku cubic crystal structure, ma epe ku magnetic, man juyike ku tic ma ngic (man copo kelo magnetic properties) stainless steel. American Iron and Steel Institute juyike ku namba ikind 200 ku 300, calu 304.
2. Ferritic stainless steel.
Matrix utiye ma loyo ku kit ferrite ((a phase) pa kit ma nen ku cubic crystal, ma utiye magnetic man ecopu bedu tek ungo ku lyethu, ento ecopu bedu tek nyanok ku tic ma ngic. American Iron and Steel Institute utiye ku 430 man 446.
3. Martensitic stainless steel.
Matrix ubedo kit ma martensitic (body-centered cubic nyo cubic), magnetic, man kit tic pare copo loke ku lyethu. American Iron and Steel Institute juyike ku namba 410, 420 man 440. Martensite utiye ku kit austenite i lyethu ma malu, man ka juyike i rwom ma malu, kit austenite copo doko martensite (niwacu, tek).
4. Austenitic-ferritic (duplex) stainless steel.
Matrix utiye ku austenite man ferrite ma dul aryo, man piny ma tye i less-phase matrix utiye madwong uloyu 15%. Etiye magnetic man ecopu bedu tek ka jutiyo kudu i ngico. 329 ubedo duplex stainless steel. Ka juporo ku austenitic stainless steel, dual-phase steel utiye ku tego madit, man tek pa intergranular corrosion man chloride stress corrosion man pitting corrosion utiye maber akeca.
5. Precipitation hardening stainless steel.
Matrix utiye austenite nyoke martensitic structure man ecopu bedu matek ku precipitation hardening. American Iron and Steel Institute uketho namba 600, calu 630, ma en e 17-4PH.
Ka waweco ikum lembe mapol, ikum alloys, kero pa austenitic stainless steel ikum lyethu utiye maber akeca. I kabedu ma nyai ungo, ferritic stainless steel jucopo tiyo kudu. I kabedu ma nyai nyai, ka piny ne mitere ni bedu ku tego ma malo nyo matek, martensitic stainless steel man precipitation hardening stainless steel jucopo tiyo kudu.
Kite pa stainless steel man kite pare
01 304 Stainless Steel
Etiye acel ikin piny ma jutiyo kudu lee man jutiyo kudu lee pa austenitic stainless steels. E ber pi yiku piny ma pii pii man acid pipelines, containers, structural parts, jam tic matung tung, man mange. Ecopu bedu bende pi yiku non-magnetic, low-temperature equipment man part.
02 304L Stainless Steel
Pi ni daru peko pa ultra-low carbon austenitic stainless steel ma juyubu pi rwinyo pa Cr23C6 ma ukelo ret ma tek pa 304 stainless steel i thenge moko, rwom pare mi juku ret pa 304 stainless steel ber uloyu. Muweko tego ma nok, piny mukende utiye marom ku 321 stainless steel. Jutiyo kudu lee pi jam tic ma rwinyo ngo man piny ma jucopo ngo ni tiyo kudu i ngei welding, man jucopo tiyo kudu pi yiku jam tic matung tung.
03 304H Stainless Steel
Thenge ma iye pa 304 stainless steel utiye ku carbon mass fraction pa 0.04%-0.10%, man tic pare i lyethu ma malu ber uloyu pa 304 stainless steel.
04 316 Stainless Steel
Medu molybdenum iwi 10Cr18Ni12 steel miyo steel bedo ku kero maber mi jwigo piny ma nyai. I pii nam man piny mukende matung tung, kero mi juku nyai ber uloyu 304 stainless steel, ma pol kare jutiyo kudu pi piny ma nyai ungo.
05 316L Stainless Steel
Ultra-low carbon steel utiye ku kero maber mi juku lyethu ma nyai man eber pi yiku piny ma juciko man jam tic ma rwom pare lac, calu piny ma jukunyo ngo i jam tic mi petrochemical.
06 316H Stainless Steel
Thenge ma iye pa 316 stainless steel utiye ku carbon mass fraction pa 0.04%-0.10%, man tic pare i lyethu ma malu ber uloyu pa 316 stainless steel.
07 317 Stainless Steel
Teko pa pitting corrosion man creep resistance ber uloyu 316L stainless steel, ma jutiyo kudu pi yiku jam tic ma tek pa petrochemical man organic acid.
08 321 Stainless Steel
Titanium-stabilized austenitic stainless steel, medu titanium mi medo intergranular corrosion resistance, man etiye ku tic maber mi tic ku piny ma ngic, jucopo loko ku ultra-low carbon austenitic stainless steel. Muweko pi kare moko ma pire tek calu lyethu ma tek nyo hydrogen corrosion, pol kare juyero ngo ni tiyu kudu.
09 347 Stainless Steel
Niobium-stabilized austenitic stainless steel, adding niobium to improve intergranular corrosion resistance, the corrosion resistance in acid, alkali, salt and corrosive media others is the same as 321 stainless steel, good welding performance, can be used as corrosion-resistant material and anti-corrosion Hot steel ma lyeth jutiyo kudu i kabedo ma tek man i fields, calu ve yiku piny, paip, jam loko lyethu, shafts, furnace tubes in industrial furnaces, man furnace tube thermometers.
10 904L Stainless Steel
Super complete austenitic stainless steel ubedo kit super austenitic stainless steel ma juyubu ku OUTOKUMPU in Finland. , Etiye ku kero maber mi juku lyethu i non-oxidizing acids calu sulfuric acid, acetic acid, formic acid man phosphoric acid, man bende etiye ku kero maber mi juku nyai pa crevice man stress corrosion resistance. E ber pi rwom matung tung pa sulfuric acid ma piny pa 70°C, man etiye ku kero maber mi juku lyethu i acetic acid man mixed acid pa formic acid ku acetic acid i kadhiri moku ci man i lyethu moku ci i the pressure maber.
11 440C stainless steel
Martensitic stainless steel utiye ku tego madit uloyu ikind stainless steels man stainless steels, ku tego pa HRC57. Pol kare jutiyo kudu pi yiku nozzles, bearings,abirbirvalve cores,abirbirvalve kom, cing,valve lum, man mukende mapol.
12 17-4PH stainless steel
Martensitic precipitation hardening stainless steel ku tek pa HRC44 utiye ku tego ma lee, tek man tek man ecopo ngo ni tiyo kudu i lyethu ma kadhu 300°C. Etiye ku kero maber mi juku nyai pa yamu man acid nyo kadu ma jucwalo. Teko pare mi juku lyethu utiye marom ku pa 304 stainless steel man 430 stainless steel. Jutiyo kudu pi yubu kabedo mi nam, turbine blades,abirbirvalve (valve cores, valve seats, sleeves, valve stems) wait.
In valve yiku man yero, yore matung tung, rwom, man rwom pa stainless steel ma pol kare junwango. Ka jube yero, peko ucikere ni nen kud i yore matung tung calu yore moko ma jutiyo kudu, lyethu, tegu, piny ma nyayu peko, lyethu, man wel piny.
Saa mi cwalo: Jul-20-2022
