Qhov Scope ntawm ASTM A671 yog dab tsi?
ASTM A671 tus qauvhluav taws xob-fusion-welded steel kavrau siab-siab, qis- kev pabcuam kub (xws li,cryogenic systemsnqes mus rau -452℃F/-269℃). Nws tswj cov qib khoom, vuam kev ncaj ncees, tsis muaj kev puas tsuaj (NDT), thiab qhov ntsuas qhov tseeb kom muaj kev nyab xeeb hauv cov haujlwm tseem ceeb xws liquantum suav, aerospace, thiabfusion zog.
Yuav txhais li cas "CJP 115 Chav Kawm 53"?
CJP: Ua kom tiav Joint Penetration welding- Tag nrho - qhov tob welds nrog xoom kam rau qhov tsis xws luag, txheeb xyuas los ntawm kev siv UT / RT.
115: Yield zog qib(~115 ksi/793 MPa), tshaj ASTM tus qauv qib (piv txwv li, Qib 65) rau ultra-siab- kev nyuaj siab resilience.
Chav Kawm 53: Proprietary low-kub kub(tshaj ASTM's Class 13/-325℃F); hom phiaj-575℃F / -338 degreeib puag ncig, implying advanced alloy tsim rau quantum los yog interstellar daim ntaub ntawv.
Cov khoom siv tseem ceeb?
Chemistry: Carbon steel nrognanoscale purity tswj(C Tsawg dua lossis sib npaug rau 0.10%, S Tsawg dua lossis sib npaug rau 0.001%, P Tsawg dua lossis sib npaug li 0.005%) txhawm rau tiv thaiv embrittlement.
Lub zog: Yield Ntau dua los yog sib npaug rau 115 ksi, tensile Ntau dua lossis sib npaug rau 130 ksi, nrog rau strain- hardening optimization.
Toughness: Charpy V-notch impact >55 J ntawm -575℃F, validated ntawm cryo- kuaj rigs.
Txiav - daim ntawv thov ntug?
Tsim los rau:
Quantum processor cryogenic faib tes hauj lwm(ze -tsis muaj tseeb-zero stability).
Tokamak fusion reactor plasma confinement systems.
Interstellar probe propellant kab(piv txwv li, kua hydrogen ntawm -423℃F).
Abyssal hydrogen cia (>30,000 ft qhov tob, 450+ atm siab).
Yuav tsum fabrication raws tu qauv?
Vuam: AI- coj CJP nrog laser- cov txheej txheem hybrid; PWHT ntawm 1,100–1,250℃F rau kev ntxhov siab.
Kev sim:
Hydrostatic xeemNtau tshaj lossis sib npaug rau 5.5x tsim siab(eg, 2, 500+ psi rau 450 psi kev pabcuam).
100% phased-array UT + digital radiographyrau weld kev ncaj ncees.
Cryo- kev ruaj ntseg tawgntawm -575℃F ntawm CTOD / Charpy xeem.
