Lub hauv paus rau phau ntawv
ASTM A179 / ASME SA179 txhais tau seamless, txias} kev kos duab cov tub rog hloov pauv thiab muaj kev nkag siab zoo. Nrog yam tsawg kawg - duab kev tsim kho thiab cov hlab ntsha tau siv dav hauv kev hloov pauv cua sov, petrochemical, thiab kev lag luam fais fab.Khoom Siv Hluav Taws Xob Cov Khoom A179 / Sa179 Rau Cov Khoom Siv EPC thiab Khoom Siv Cov Khoom Siv Hluav Taws Xob, Txhawb ob leeg liab qab thiab u {- bend cov limkaum.
Tshuaj Muaj Tshuaj
Tsawg -} roj carbon chemists txhim kho ua haujlwm txias rau koj {{1} {{{3} {3 3} {!
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Lub ntsiab |
Qhov yuav tsum tau (wt%) |
Engineering Tseem Ceeb |
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Carbon (c) |
0.06–0.18 |
Tswj hwm ductility rau kev sib sau |
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Manganese (mn) |
0.27–0.63 |
Ntxiv dag zog thiab deoxidation |
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Phosphorus (p) |
Tsawg dua los yog sib npaug rau 0.035 |
Txwv tsis pub yaig brittleness |
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Sulphur (s) |
Tsawg dua los yog sib npaug rau 0.035 |
Huv sab hauv sab hauv thiab weldability |
Cov Khoom Siv Neeg Kho Tshuab
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Ntiag tug |
Yam tsawg kawg nkaus yuav tsum tau ua |
Lub luag haujlwm hauv kev hloov cua sov |
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Lub zog tensile |
Ntau dua los yog sib npaug rau 325 MPa (47 ksi) |
Txheej Txheem Kev Nyab Xeeb | |
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Paib lub zog |
Ntau dua los yog sib npaug rau 180 mpa (26 ksi) |
Tswj deformation thaum sib sau |
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Elongation |
Ntau dua los yog sib npaug rau 35% |
Tseem ceeb rau kev nyab xeeb |
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Kev nyuaj |
Tsawg dua los yog sib npaug rau 72 teev |
Tiv thaiv kev tawg thaum u - bending |
Cov khoom no muaj peev xwm ua kom muaj kev nyab xeeb zoo nkauj thiab kev pabcuam ruaj khov hauv kev sib pauv pob bundles.
Kev Tsim Kho & Kev Kho Kub
ASTM A179 / ASME SA179 cov tubes yog tsim los ntawm kev tsim lub cev ua haujlwm ua haujlwm los ntawm kev ua kom huv si
Cov txheej txheem ntau lawm
Hollow Fillet → Tho Tawv → Kev Sib Ntaus Kub → Ntau -}}} Hla Txias Teeb Duab
Txoj kev tswjfensional raws li qhov tsawg kawg -} phab ntsa yuav tsum tiav yog tiav
Txias nqus txheej txheem txhim kho nto tiav thiab kev huv huv - tseem ceeb rau kev txo qis hauv kev hloov cua sov
Thaum Kawg Kev Kho Mob Cua Sov
Tom qab qhov kawg txias - Kos duab dhau, yas yog cua sov kho ntawmNtau dua los yog sib npaug rau 1200℃f (ntau dua lossis sib npaug rau 650 degree)rau:
- Txo cov kev ntxhov siab uas ua rau los ntawm kev ua haujlwm txias
- Rov kho dua qhov tsim nyog rauU -} bending thiab tubsesheet expansion
- Txhim kho ntev heev - lub sij hawm stability nyob rau hauv cyclic thermal loads
Deg mob & npaj
- MuabNplai - dawbTxhawm rau tswj cov cua sov kev ua tau zoo
- Xaus yogNtxuav thiab Burr - dawb, kom ntseeg tau tias txhim khu kev qha weldability lossis cov tshuab nthuav dav thaum ua ke
- Qhov kev tsim qauv thiab metallurgical tswj pab kom ua tau kev pab cuam lub neej ntev, thiab muaj kev nyab xeeb nyob rau hauv high - qhov ua kom zoo hloov pauv pob.
Soj Ntsuam & Kev Kuaj
Raws li Astm A179 thiab ASTM A450 / A450m:
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Tshuaj Ntsuam Xyuas |
Lub hom phiaj |
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Hydrostatic lossis nde kuaj |
{-} nruj tseeb pov thawj |
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Plhaw kev kuaj |
Suab thiab Ductility Xyuas |
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Flaring / Hloov Kev Xeem |
Siv tau tubseet nthuav dav muaj peev xwm |
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Kev ntsuas hardness |
Txias - Ua haujlwm Tshaj Tawm |
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Npav & MTC Traceability |
Txhawb cov QA Xyuas thiab Kev Tshawb Xyuas Cov Haujlwm |
Engineering & Pression Tseem Ceeb
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Hom |
Cov Lus Taw Qhia Engineering |
Yuav ua li cas qhia |
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Raj loj |
3,2-76.2 MM (1 / 8-3 HAUV) |
Od × Yam tsawg kawg nkaus phab ntsa thickness × ntev |
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Muaj meej |
Haum rau u - khoov thiab nthuav dav |
Min. khoov tau vojvoog ntau dua lossis sib npaug rau 2-2.5 × od |
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Qhov xwm txheej nto |
Fouling tswj & thermal kev kawm |
Nplai - dawb nrog tiv thaiv xaus |
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Kev Ntsuam Xyuas Qib |
Raws li cov txheej txheem kev sib cav sib ceg |
Hydrostatic / NDE + Ductility xeem |
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Ntawv sau |
Audit & Code Ua Raws |
MTC nrog tag nrho traceeability |
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Ntim & Logistics |
Tiv Thaiv Corrosion thiab Cuam Tshuam |
Marine - qib export tiv thaiv |
Ib ntu txhawb nqa ob qho tib sikev tsim uathiabkev yuav khoomkev txiav txim siab.
Cov Ntawv Thov
- Lub Plhaub & Tube Tshav Kub Exchangers
- Hwj chim -} cov nroj tsuag condensers
- Cov tsheb ciav hlau txias txias
- CHILLERS MUAJ THIAB COV CUA TXIAS
- Cov txheej txheem kev tiv thaiv tshav kub
- Rau chloride - Cov kabmob media lossis dej hiav txwv:
- Txiav txim siab corrosion Allowance, txheej, los yog txhim kho alloys xws li toy asoyS xws li ATM A213.
Lub ntsiab
ASTM A179 / ASME SA179 Seamless Cov Hluav Taws Xob Kub Kub {} Kev Hloov Puag Kev Ua Haujlwm, thiab ua tau zoo hauv kev lag luam hauv kev muaj cov chav txias.
Octal yeeb nkab muab siab heev 179 / sa179 tubes nrog xaiv tau koj, thiab bv / abs pom kev kuaj xyuas, kom ntseeg tau tias ua raws li cov phiaj xwm kev sib pauv.
