1. ASTM A671 CJH115 Class 13 yog dab tsi?
Ib qho specification rauhluav taws xob-fusion-welded steel yeeb nkabtsim rauqis-kev pabcuam kub(hauv qab-50 ° F / -46 ° C).
CJH115: Carbon steel nrog3.5% npib tsib xeerau txhim kho cryogenic toughness.
Chav Kawm 13: Hydrostatic xeem siab ntawm13,000 psi (90 MPa).
Qhov tseem ceeb feature: 8.3% kev ntsuas siab dua li Chav Kawm 12 (13k vs . 12k psi).
2. Cov ntawv thov zoo li cas?
Siv hauv:
LNG cog nruab nrab - cov kav dej siab
Cryogenic valve manifolds
Industrial gas faib tshuab
Txias-cov chaw ua haujlwm huab cua
3. Kev tsim khoom & kev xeem yuav tsum tau ua?
Ob -welded tsimnrog 100% radiographic kuaj.
Charpy V-kev ntsuas ntsuasntawm-50 ° F / -46 ° C(min. 20 ft-lb cuam tshuam lub zog).
Normalized kho cua sovrau uniform mechanical zog.
Hardness tswj: Tsawg dua lossis sib npaug rau 200 HBW (kom ntseeg tau tias muaj kev sib txuas).
4. Certified Mechanical Properties?
| Khoom | Tus nqi |
|---|---|
| Tensile zog | Ntau dua lossis sib npaug rau 65 ksi (448 MPa) |
| Yield zog | Ntau dua lossis sib npaug rau 40 ksi (276 MPa) |
| Elongation | Ntau dua lossis sib npaug li 22% |
| Impact Toughness | 20 ft -lb ntawm -46 degree |
5. Nws piv rau CJF115 cov kav dej li cas?
Cov ntsiab lus nickel siab dua(3.5% vs. CJF115's 2.25%) kom zoo duanruab nrab- kev ua haujlwm cryogenic.
Tsawg temp txwvtshaj CJF115 (-46℃vs . -60 degree) tab sistus nqi ntau dua - zoo.
Qhov zoo tshaj plaws tshuavrau daim ntawv thov xav tau3.5% Ni-tughnessyam tsis muaj qhov qis tshaj -temp xav tau.
