Ko te 904L he Super Austenstic Stainless Steel me te ihirangi waro iti.Ko te tohu mo te whakamahi i raro i nga ahuatanga kino kino.Kua whakamatauria te tono mo nga tau maha, a, i hangaia i te tuatahi ki te aukati i te waikura i roto i te waikawa sulfuric waimeha.Ka whakatauhia, ka whakaaetia mo te whakamahi waka pehanga ki etahi whenua.Ko te hanganga, ko te 904L he tino austenitic, he iti ake te aro ki nga waahanga ferrite me te sigma i nga tohu austenitic tikanga he nui te ihirangi molybdenum.Ko te ahuatanga, na te whakakotahitanga o nga mea nui o te chromium, nickel, molybdenum me te parahi 904L he pai te atete ki te waikura whanui, ina koa i roto i nga tikanga whanariki me te phosphoric.
C | Cr | Ni | Mo | Si | Mn | P | S | Cu | N |
≤0.02 | 19.0-23.0 | 23.0-28.0 | 4.0-5.0 | ≤1.0 | ≤2.0 | ≤0.045 | ≤0.035 | 1.0-2.0 | ≤1.0 |
Kiato (g/cm3) | Te rewa (℃) | Kōwae rapa (GPa) | Te whakarea roha wera (10-6℃-1) | Te kawe werawera (W/m ℃) | Te parenga hiko (μm) |
8.0 | 1300-1390 | 195 | 15.8 | 12 | 1.0 |
Te pāmahana (℃) | бb(N/mm2) | б0.2(N/mm2) | D5(%) | HRB |
Te pāmahana rūma | ≤490 | ≤220 | ≥35 | ≤90 |
ASME SB-625, ASME SB-649, ASME SB-673, ASME SB-674, ASME SB-677
•He pai te aukati ki te waikura poka me te waikura kapiti
•Te ātete nui ki te pakaru o te waikura, intergranular, pai te miihini me te weldability
•I roto i nga momo momo momo phosphates904L he pai ake i te kowiri tira noa.
•I roto i te waikawa nitric oxidizing kaha, whakaritea ki te koranu teitei kahore molybdenum kōeke maitai, 904Lshows waikura iti ātete.
•He pai ake te parenga waikura o tenei koranu i te kowiri tira.
•Whakaitihia te reiti waikura o te rua me nga aputa mo te nui o te nickel, me te pai o te aukati ki te waikura ahoteaka pakaru, i roto i te taiao o te wairewa pūhaumāota, te kukū o te wairewa waihā me te hauwai pūngāwhāwhā nui.
•Ko te hinu me nga taputapu petrochemical, penei i te reactor o nga taputapu petrochemical, etc.
•Te rokiroki waikawa pungatara me nga taputapu kawe waka, penei i te whakawhiti wera, aha atu.
•Ko nga taputapu whakamaarama hau rewharewha hiko, nga waahanga matua o te whakamahinga: te tinana o te pourewa, te rere, nga waahanga o roto, te punaha rehu, me era atu
•Ko te kirikiri waikawa pararopi me te mea powhiriwhiri i roto i te punaha tukatuka.
•Te tipu maimoatanga wai, te whakawhiti wera wai, nga taputapu hanga pepa, te waikawa sulfuric, nga taputapu waikawa nitric, te waikawa,
•Te ahumahi rongoa me etahi atu taputapu matū, oko pehanga, taputapu kai.
•Pharmaceutical: centrifuge, reactor, etc.
•Nga kai tipu: te kohua ranu, te waina tunu, te tote, nga taputapu me nga kakahu.
•Ki te waimeha waikawa sulfuric kaha waikura waenganui maitai 904 l he ōrite.