1. Cov khoom lag luam
|
Chaw ua uas tsis tau haus |
Kev qhia tshwj xeeb |
|---|---|
|
Lub hom phiaj |
ASTM A335 / A335M (ASME SA335 sib npaug) |
|
Carbon (c) |
0.05–0.15% |
|
Chromium (cr) |
2.00–2.50% |
|
Molybdenum (mo) |
0.90–1.10% |
|
Lub zog tensile |
Ntau dua los yog sib npaug rau 415 MPa (min) |
|
Paib lub zog |
Ntau dua los yog sib npaug rau 205 MPa (min) |
|
Elongation |
Ntau dua los yog sib npaug rau 30% |
|
Hardness (HRB) |
Tsawg dua los yog sib npaug rau 92 |
|
Kev khiav hauj lwm siab |
580 Qib (ntev - sij hawm) |
2. Cov Khoom Zoo
Superior creep: Chromium - molybdenum synergy enables 12% Qib Siab Tshaj Plaws rau P11, Txuas Kev Pab Lub Neej hauv Boilers ntawm 30-40%.
Oxidation tsis kam: Cr₂o₃ txheej tsim txo cov ntsuas ntsuas cov nqi rau<0.1 mm/year in flue gas environments, outperforming carbon steels by 8x.
Hwj txwv: Tau tshaj E8018-B2 / 3 Electrodes (Aws A5.28) nrog preheat ntawm 150-200℃los tiv thaiv hazing backing.
3. Kev Ua Lag Luam Kev Ua Lag Luam
Lub Zog Loj: Xav tau 5.2% CANT (2025- hloov t91 hauv 2500 ntawm 600 daim ntawv thov℃vim muaj nqi-ua hauj lwm zoo.
Petrochemical Expansion: Xav tau tsav los ntawm hydrocracker hloov kho tshiab, tshwj xeeb nyob rau hauv Middle East Refineries uas muaj 35% ntawm cov piping tshiab.
Kev Siv Nuclear: Qhov tshwm sim siv nyob rau hauv theem nrab txias loops (pwrs) nrog Neutron absronation Cross - vs. p91.
4. Cov ntawv thov tseem ceeb
Boiler Tshuab: Lub Koom Haum Me Nyuam Rov Qab / RefeEeat Chav Kav Hauv Thee {{} {{{{{1} {} Lub zog nroj tsuag (kev khiav hauj lwm siab: 24-31 mpa)
Kev Lag Luam: Kho kom zoo nkauj thiab cov leeg ua kom sov (hyscosion tsis kam: 0.02 mm / xyoo)
Cov Khoom Siv Roj Roj: FCC Refenerator hnab hnab nyiaj thiab hydroprocessing units (templecessing (tempating temp: 450-550 degree
