ASTM A270 Urea Qib Austenitic Yeeb Nkab
Cov ntsiab lus qis carbon ua kom cov hlau tseem nyob hauv austenitic, tiv thaiv intermetallic theem precipitations thiab intergranular corrosion, txawm tias tom qab cov tshuaj annealing thiab dej quenching.
UREA™ 316L qib, ua piv txwv, nthuav tawm cov khoom siv kho tshuab zoo tshaj plaws nrog lub zog qis kawg nkaus ntawm 190 MPa (27 ksi) ntawm chav tsev kub thiab tuaj yeem kho cua sov rau kev txhim kho ntxiv. Nws yog tag nrho austenitic nrog cov ntsiab lus ferrite lav kom tsawg dua 0.5%, uas yog qhov tseem ceeb rau kev tswj hwm nws cov khoom tiv thaiv corrosion.
Cov kav dej no yog tsim los rau cov qauv nruj, kom ntseeg tau tias lawv tsis muaj qhov tsis xws luag thiab ua tau raws li cov kev xav tau zoo ntawm kev lag luam urea. Lawv tau kuaj xyuas tag nrho, suav nrog kev xeem Huey (ASTM A262 C) los ntsuas kev tiv thaiv corrosion, nrog cov txiaj ntsig tau zoo hauv qab qhov siab tshaj qhov xav tau los ntawm cov lus qhia tshwj xeeb. Cov kav dej kuj tau tsim los tiv thaiv cov kev cov nyom ntawm kev kub ntxhov thiab qhov kub thiab txias ib puag ncig hauv cov txheej txheem urea synthesis.
Muab lawv lub luag haujlwm tseem ceeb hauv kev tsim cov urea, ASTM A270 Urea Grade Austenitic Pipes tsis yog xaiv rau lawv cov khoom siv xwb tab sis kuj yog rau lawv ua raws li cov qauv kev lag luam thiab kev tswj xyuas zoo ntawm kev lag luam chiv.
| High kub alloy: | GH3030, HWV 3039 |
| Lwm yam alloys: | UNS N08020, UNS N08028 |
| Cov khoom tshwj xeeb seamless yeeb nkab: | UNS S30815,UNS S38815,00Cr14Ni14Si4,UNS S31253,UNS S3105 0 UNS N08904 (904L), 317L, 347H, 316Ti, 316LN, 1.4435, 316L (high nickel, siab sulfur) |
| Austenitic stainless hlau seamless yeeb nkab: | 304/304L/304H/304LN; 321/321H; 316/316L/316H/316LN; 310S |
| Duplex steel series: | UNS S31803, UNS S32205, UNS S32750, UNS S32304, UNS S32101, UNS S31500, UNS S31260 |
| BA tube (ci annealed) | EP tube (electrolytic polishing) |
ASTM A270 Urea Qib Austenitic Stainless Hlau Yeeb Nkab
FAQ:
1.Q: Kuv puas tuaj yeem tau txais cov qauv dawb?
A: Yog lawm, peb tuaj yeem muab cov qauv dawb rau koj, tab sis koj yuav tsum tau them lawv tus nqi xa khoom.
2.Q: Kuv puas tuaj yeem thov hloov daim ntawv ntim khoom thiab kev thauj mus los?
A: Yog lawm, Peb tuaj yeem hloov daim ntawv ntim thiab kev thauj mus los raws li koj qhov kev thov, tab sis koj yuav tsum dais
lawv tus kheej cov nqi tshwm sim thaum lub sijhawm no thiab kev sib kis.
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