1. ASTM A671 CJF115 Chav Kawm 43 yog dab tsi?
Txuj: EFW carbon steel yeeb nkab raukev pabcuam cryogenic heev(-115 ° F / -81.7 ° C)
Chav Kawm 43: 43,000 psi (296 MPa)Hydrostatic xeem siab (kev lag luam siab tshaj plaws rau CJF115)
Cov yam ntxwv tseem ceeb:
"CJF115"=Enhanced Charpy V-kev ntsuas ntsuas ntawm-115℃F(min{0}} ft-lb/129 J)
Hex-normalized + quadruple- tempered kev kho cua sov
2. Qhov twg nws tsuas yog siv?
Kev lag luam:
Arctic LNG mega{0}}cov haujlwm
Cryogenic hydrogen cia
Zog:
Hyper- siab kis tau tus mob (Ntau dua lossis sib npaug rau 3,500 psi)
Quantum tub yees systems
3. Khoom specifications?
Lub zog:
Tensile: Ntau dua lossis sib npaug rau 155 ksi (1069 MPa)
Tawm tswv yim: Ntau dua lossis sib npaug rau 130 ksi (896 MPa)
Toughness:
Tag nrho -section cuam tshuam validation ntawm-115℃F
Min. elongation: 58%
Chemistry:
Carbon: Tsawg dua lossis sib npaug rau 0.025%
S / P Tsawg dua lossis sib npaug li 0.0003%
4. Kev tsim khoom siv tshuab?
Vuam:
EFW nrog hex-normalization + quadruple tempering
Kev sim:
Hydrostatic:43,000 psi(296 MPa) + 12M- voj voog qaug zog
NDE: Phased array UT + digital radiography
Zoo:
AI-tsav 3D metrology scanning
5. Fabrication xav tau?
Vuam:
Laser{0}}pab preheat (950-1150℃F / 510-621 degree)
Yuav tsum tau cryogenic PWHT (-320℃F immersion)
Kev tsim:
Quantum{0}}stabilized txias dabtsi yog khoov (min. 65D radius)
Kev tshuaj xyuas:
Nanoscale microstructure tsom xam
