Vim Li Cas Xaiv Peb
Kev Muag Khoom Ua Ntej
Peb lub tuam txhab tuaj yeem muab 24-teev kev pabcuam los tham txog cov khoom lag luam, tus nqi, hnub xa khoom, kev thauj mus los thiab lwm yam ntsiab lus nrog cov neeg siv khoom.
Kev daws teeb meem zoo
Yog tias nws tau lees paub tias qhov tsis zoo yog tshwm sim los ntawm peb, peb yuav rov muab cov khoom tsis tsim nyog lossis ua kom them nyiaj ntsuab.
Peb Keeb Kwm
Tau tsim nyob rau hauv 2006, nyob rau hauv Cangzhou City, Hebei xeev, Suav teb. Peb muaj ntau tshaj kaum xyoo ntawm kev lag luam export kev.
Kev Lag Luam Ntau Lawm
Peb lub tuam txhab kev lag luam suav nrog Middle East, North Africa, South America, Southeast Asia, Central America thiab lwm thaj chaw, nrog rau txhua xyoo export nqi ntawm ntau tshaj 10 lab US dollars.
Tsis tshua muaj kub steel yeeb nkab yog nruab nrab carbon structural steel, txias thiab kub ntxiv rau qhov kub thiab txias steel yeeb nkab yuav ua tau zoo, zoo mechanical zog, thiab tsis tshua muaj nqi, dav qhov chaw, yog li nws yog dav siv. Nws qhov tsis muaj zog tshaj plaws yog qhov tsis muaj zog, qhov loj me me thiab cov kev xav tau siab ntawm cov khoom siv yuav tsum tsis txhob siv.
ASTM A213 T12 alloy steel raj tuaj yeem siv rau cov raj superheater. Lub luag haujlwm ntawm superheater raj yog nqus cua sov. Lub seamless boiler steel hlab los yog kub-resistant alloy steel hlab yog khoov rau hauv ib tug nab, thiab ob kawg yog feem welded rau lub inlet thiab qhov hluav taws xob headers. Thaum lub raj superheater ua haujlwm, sab nraud raug cuam tshuam los ntawm cov pa hluav taws kub kub, thiab sab hauv yog circulated los ntawm high-pressure chav.
ASTM A213 T22 alloy steel hlab tuaj yeem siv rau cov khoom siv hluav taws xob. Lub raj xa hluav taws xob yog ib qho ntawm cov khoom siv hluav taws xob sib txawv, muab tso rau hauv lub tog raj kheej kom yooj yim rau kev sib pauv cua sov ntawm ob qhov xov xwm. Nws nthuav tawm cov thermal conductivity siab thiab zoo isothermal zog, ua kom sai thiab ze li ntawm tsis muaj thermal zog hloov pauv, ua rau nws lub moniker ntawm lub tshav kub hloov superconductor, nrog thermal conductivity ntau txhiab zaus ntau dua tooj liab.
ASTM A335 P5 Alloy Steel Yeeb Nkab feem ntau yog siv rau cov cua kub ntawm cov kav dej ntawm qhov qis thiab nruab nrab siab boilers (ua hauj lwm siab feem ntau tsis tshaj 5.88 MPa, ua hauj lwm kub hauv qab no 450 degree), thiab rau high-pressure boilers (ua hauj lwm siab feem ntau siab tshaj 9.8 MPa, ua hauj lwm. kub ntawm 450 degree mus rau 650 degree). Lawv kuj tseem siv rau hauv cov kav dej cua sov, cov khoom siv hluav taws xob, superheaters, reheaters, thiab hauv kev lag luam petrochemical.
ASTM A335 P9 Alloy Steel Pipes yog siv rau kev pabcuam kub, tsis yooj yim rau deform, tsis yooj yim tawg. Cov ntsiab lus ntawm chromium thiab molybdenum ntsiab nyob rau hauv cov kav hlau uas tsim los ntawm peb lub tuam txhab ua tau raws li tus qauv, nrog rau cov khoom zoo thiab ruaj khov siv nyob rau hauv qhov kub thiab txias. Cov kav hlau muag tsis tau tshwm sim Muaj kev nyab xeeb kev nyab xeeb.
Qhov no ASTM A335 specification npog nominal phab ntsa thiab yam tsawg kawg nkaus phab ntsa seamless ferritic alloy-steel yeeb nkab npaj rau high-temperature kev pab cuam. Cov yeeb nkab xaj rau qhov kev qhia tshwj xeeb no yuav tsum tsim nyog rau kev khoov, flanging, thiab kev ua haujlwm zoo sib xws, nrog rau fusion vuam. Kev xaiv yuav nyob ntawm tus qauv tsim, kev pabcuam, cov khoom siv kho tshuab, thiab cov yam ntxwv ntawm qhov kub thiab txias.
ASTM A335 P12 alloy steel kav yog siv los tsim cov chav boilers thiab chav kav dej. Peb lub Hoobkas tau siv cov txheej txheem kev tswj xyuas zoo uas npog tag nrho cov txheej txheem metallurgical, suav nrog kev tsim hlau, hlau ua, nruam casting, slabbing, raj dov, kev kho cua sov, raj ua, thiab lwm yam. kev txhim kho, thiab teb sai.
Alloy seamless steel yeeb nkab muaj ntau Cr cov ntsiab lus, muab nws cov yam ntxwv xws li kub tsis kam, tsis kub tsis kam, thiab corrosion kuj. Nws yog dav siv nyob rau hauv boiler raj, tshav kub exchanger tubes, superheater tubes, economizer tubes, reheater tubes, kub kub thiab siab siab cov kav dej, raws li zoo raws li tsis tshua muaj kub kav.
Alloy seamless steel yeeb nkab muaj ntau Cr ntsiab lus, muab nws cov yam ntxwv xws li kub tsis kam, tsis kub tsis kam, thiab corrosion kuj. Nws pom cov ntawv thov dav hauv cov raj boiler, cov raj xa hluav taws xob kub, cov raj superheater, cov raj xa hluav taws xob, cov raj reheater, cov kav dej kub thiab cov kav dej kub siab, nrog rau cov kav dej kub tsawg.
Alloy seamless steel yeeb nkab muaj ntau cov ntsiab lus Cr, yog li nws muaj cov yam ntxwv ntawm kev kub siab, tsis kub tsis kam, thiab corrosion kuj. Nws yog dav siv nyob rau hauv boiler hlab, tshav kub exchanger tubes, superheater tubes, economizer hlab, reheater hlab, siab kub thiab siab siab kav, tsis tshua muaj kub kav, thiab lwm yam.
Raws li lub npe implies, tsis tshua muaj kub steel yeeb nkab yog cov yeeb nkab steel uas muaj qhov kub thiab txias tsis kam thiab siv rau hauv cov ntawv thov kub tsawg, feem ntau yog hais txog cov hlau alloy steel yeeb nkab siv hauv qab -10 degree thiab muaj toughness txaus. Feem ntau, peb xa cov yeeb nkab steel siv ntawm -10 ~ -196 degree raws li cov hlau tsis tshua muaj kub thiab qis dua -196 degree li cryogenic steel yeeb nkab lossis ultra-low kub steel yeeb nkab. Nws feem ntau ntseeg tias manganese, npib tsib xee thiab lwm yam khoom tuaj yeem txhim kho qhov tawv nqaij ntawm qhov kub thiab txias. Cov kev sim tau pom tias nrog kev nce ntawm cov ntsiab lus nickel los ntawm 1%, qhov kev hloov pauv tseem ceeb ntawm cov brittleness tuaj yeem txo los ntawm 20 degree.
Raws li cov qauv siv lead ua lattice, cov hlau tsis tshua muaj siab tuaj yeem muab faib ua lub cev-centered cubic Ferrite tsis tshua muaj kub hlau thiab lub ntsej muag-centered cubic Austenite qis kub hlau. Ferritic hlau nyob rau hauv qhov kub thiab txias yog pom tseeb ductile mus rau nkig hloov kub thaum kub txo sharply mus rau ib tug tseem ceeb tus nqi (los yog ntau yam), lub toughness poob dheev, yog li ntawd lub steel yeeb nkab yuav tsum tsis txhob siv nyob rau hauv lub kub hloov pauv, los ntawm kev ntxiv alloy ntsiab xws li. raws li Mn, Ni kom txo tau cov interstitial impurity, refine lub grain loj, tswj qhov luaj li cas, zoo thiab tis ntawm lub thib ob theem nyob rau hauv steel, thiab lwm yam., ua rau cov ferritic ductile rau brittle hloov kub txo (saib hlau reinforcement).
Tsawg-temp steel yeeb nkab muaj lub zog zoo thiab toughness ntawm qhov kub thiab txias, kev ua haujlwm zoo heev thiab kev tiv thaiv corrosion, thiab lwm yam. Tsis muaj qhov hloov pauv kub hauv qhov kub tsis tshua muaj ntau yam ntawm Austenitic cryogenic yeeb nkab, thiab nws tuaj yeem siv feem ntau yam tsis tau txheeb xyuas qhov kub thiab txias. cuam tshuam toughness. Ferritic tsis tshua muaj kub steel yog cov khoom siv feem ntau siv yeeb nkab. Cov txheej txheem kev kho cua sov cuam tshuam rau microstructure thiab grain loj ntawm cov hlau tsis tshua muaj kub, tshwj xeeb tshaj yog qhov kub thiab txias toughness, uas yog txhim kho pom tseeb tom qab quenching thiab tempering. Nws raug faib raws li qhov muaj pes tsawg leeg:
Tsawg carbon Mn steel
Nws muaj {{0}} 05 ~ 0.28% C thiab 0.6 ~ 2% Mn. Ua Mn/C≈10 kom txo tau O, N, S, P thiab lwm yam tsis zoo, los yog ntxiv me me ntawm Al, Nb, Ti, V thiab lwm yam khoom los kho cov nplej. Qhov ntsuas kub qis tshaj plaws ntawm cov hlau no yog li ntawm -60 degree .
Tsawg alloy steel
Nws feem ntau suav nrog cov hlau tsis tshua muaj Nickel ({{0}}% Ni), Mn-Ni-Mo steel (0.6 ~ 1.5% Mn, Ni{{10}}} .2 ~ 1.0%, 0.4 ~ 0.6%Mo ,C Tsawg dua lossis sib npaug rau 0.25%, Ni-Cr-Mo steel(0.7 ~ 3.0%Ni, 0.4 ~ 2.0%Cr, 0.2 ~ 0.6%Mo, C Tsawg dua lossis sib npaug li 0.25%) Qhov ntsuas kub ua haujlwm qis tshaj plaws tuaj yeem qis rau -110 degree lossis li ntawd.
Nruab nrab (siab) alloy steel
Feem ntau 6% Ni steel, 9% Ni steel, 36% Ni steel, ntawm 9% Ni steel yog dav siv rau cov hlau cryogenic. Nws qhov kev khiav hauj lwm kub tuaj yeem qis li -196 degree .
ASTM A333, JISG3460, EN10216-4 thiab lwm yam qauv tau teev cov ntsiab lus ntawm Ferritic cryogenic steel tubes, uas ASTM A333 Gr.3, Gr.6, Gr.8 thiab Gr.11 yog cov feem ntau siv cov raj cryogenic qib. . Tsawg-kub steel yeeb nkab tau dav siv, xws li zus tau tej cov ethylene, propylene, urea, ammonia, compound chiv xws li ntxuav, purification, desulfurization, degreasing thiab lwm yam txheej txheem cov cuab yeej thiab rau kev lag luam tshuaj, thiab cryogenic khoom tsim, ultra-low kub. txias cia, kis tau tus mob ntawm cryogenic liquefied roj yeeb nkab thiab raj Cheebtsam, liquefied roj av roj (LPG) cryogenic sib cais khoom, huab cua sib cais khoom, thiab lwm yam.
Lub luag hauj lwm ntawm Low Temperature Steel Pipes
Tsawg-kub steel yeeb nkab yog ib hom hlau uas muaj cov khoom tshwj xeeb. Nws yog tsim los ntawm lub hauv paus ntawm carbon structural steel. Vim nws qhov tshwj xeeb corrosion kuj thiab zoo txhua yam khoom, nws yog siv los ua cov kav dej rau roj av, tshuaj thiab lwm yam khoom siv thiab khoom siv. daim.
Kev Ua Haujlwm Ntawm Cov Hluav Taws Xob Kub Kub:
1. Cov txheej txheem rwb thaiv tsev ntawm cov kav dej kub qis yog ua los ntawm cov khoom siv polyurethane ua npuas ncauj.
2. Submerged arc welded ncaj seam kav tuaj yeem tsim cov kav dej nrog qhov ntev ntawm 9 meters nyob rau hauv txhua txoj kev khoov;
3. Lub zog ntawm kauv welded kav feem ntau yog siab tshaj qhov ncaj seam welded kav, thiab welded kav nrog loj diameters yuav ua tau los ntawm txoj kab nqaim;
4. Vuam tshuab uas yooj yim rau kev ncaj (xws li lfjtwb thiab xr-iii hom).
5. Steel phaj dov tshuab tuaj yeem siv rau kev khoov kub tas li.
6. Loj-inch seamless steel kav dov nrog loj diameters thiab tuab phab ntsa txhim kho qhov tseeb theem vim qhov txo qis ntawm sab hauv thiab sab nraud burrs.
7. Cov kav hlau hlau ua los ntawm cov khoom siv zoo tshaj plaws los yog cov xov hlau uas tau dov thiab welded tuaj yeem siv tau ntev hauv qhov kub thiab txias ntawm -40--60 degree yam tsis muaj deformation.
8. Nws ua lub luag haujlwm tseem ceeb hauv kev tsim cov hlau tsis tshua muaj hlau zoo tib yam, lub zog siab qis-alloy structural steel thiab stainless hlau.
9. Lwm txoj hauv kev los tiv thaiv corrosion sab hauv thiab sab hauv los tiv thaiv corrosion yog muaj raws li xav tau.
10. Qhov (socket) hom kev sib txuas yog ib qho khoom tshiab ntawm txoj kev sib txuas ib txwm siv, ua rau kev teeb tsa sai thiab yooj yim dua.
11. Vim tias cov khoom no muaj qhov ua tiav siab thiab ua tau yooj yim, nws yog dav siv nyob rau hauv ntau yam steel qauv siv teb.
Qhov zoo ntawm Cov Hluav Taws Kub Kub Kub Kub
Lub zog
Hlau yog ib qho tseem ceeb ntawm cov khoom siv hauv kev lag luam feem ntau vim nws lub zog thiab lub neej ntev. Tab sis muaj ntau hom hlau muaj, txhua tus muaj cov khoom sib txawv uas tuaj yeem txiav txim siab lawv qhov tsim nyog rau qee qhov kev lag luam. Tag nrho cov khoom steel - xws li cov kav dej thiab fittings - raug kuaj xyuas kom ntseeg tau tias lawv ua tau zoo hauv kev siv. Qhov no ua rau cov engineers thiab cov neeg tsim qauv txiav txim siab qhov zoo tshaj plaws kev tsim kho rau lawv cov kev xav tau tshwj xeeb. Cov pa roj carbon steel yog cov khoom siv ntau tshaj plaws ntawm cov yeeb nkab steel vim nws cov kav ntev thiab tsis kam tiv thaiv corrosion. Txawm li cas los xij, lwm cov kav hlau yuav zoo dua rau qee yam kev siv.
Ib qho kev xaiv zoo li no yog Tsawg Kub Carbon Steel Pipe, feem ntau hu ua LTCS yeeb nkab. Hom hlau no zoo tagnrho rau cov ntawv thov uas qhov kub thiab txias tsis dhau rau lwm hom hlau ua haujlwm zoo. Crafted los ntawm cov hlau uas muaj cov pa roj carbon ntau thiab lwm cov ntsiab lus, tuaj yeem tiv taus kub mus txog 50 degrees Fahrenheit yam tsis muaj kev puas tsuaj.
Durability
Cov pa roj carbon steel yeeb nkab yog cov khoom siv muaj zog thiab txhim khu kev qha feem ntau siv hauv cov kav dej. Nws tuaj yeem tsim los ntawm ntau yam alloys ntawm tus nqi tsim nyog rau kev siv hauv kev lag luam.
Cov yeeb nkab steel lub zog yog txiav txim siab los ntawm nws lub zog tawm los, lub zog tensile, hardness thiab ductility. Tsis tas li ntawd, qhov tuab thiab sab hauv phab ntsa ntawm cov yeeb nkab kuj cuam tshuam rau cov khoom no.Low Temperature Carbon Steel Pipe (LTCS yeeb nkab) yog hom hlau tshwj xeeb tsim rau qhov chaw txias. Hom yeeb nkab no feem ntau ua haujlwm hauv cov dej thiab cov dej khib nyiab. Cov yeeb nkab ntawm hom no yog qhov ruaj khov thiab tiv taus huab cua rau lub sijhawm ntev. Tsis tas li ntawd, nws tsis corrode zoo li lwm yam ntaub ntawv ua.
Corrosion Resistance
Cov pa roj carbon steel yeeb nkab yog cov khoom siv nrov rau cov khoom siv dej thiab cov roj xa hluav taws xob vim nws qhov kev tiv thaiv corrosion ntau dua li lwm hom hlau. Yog li ntawd, carbon steel yeeb nkab ua ib qho kev xaiv zoo tshaj plaws rau cov ntawv thov no.
Txawm li cas los xij, hlau oxide (xeb) tuaj yeem tsim rau saum npoo ntawm cov hlau thaum raug oxygen. Yog li ntawd, carbon steel kav feem ntau muaj cov txheej txheem tiv thaiv.
Lub zeb dub lacquer, kua roj vanish, fusion-bonded epoxy lossis dej-raws li xeb inhibitor yog txhua yam kev kho mob uas siv tau los tiv thaiv cov hlau los ntawm kev xeb thiab txuas ntxiv nws cov txiaj ntsig.
Low Temperature Carbon Steel Pipe muaj ntau qhov zoo dua lwm cov kav hlau, nrog rau nws lub peev xwm los tiv taus qhov kub thiab txias dua li lwm hom hlau thiab nws cov nqi siv tau zoo hauv thaj chaw uas muaj cov kua dej corrosive. Tsis tas li ntawd, cov khoom siv no yog tus nqi ntau dua li lwm cov ntaub ntawv hlau yeeb nkab rau cov haujlwm loj.
Yooj yim
Flexibility yog ib qho tseem ceeb uas yuav tsum tau coj mus rau hauv tus account thaum xaiv cov yeeb nkab. Nco ntsoov tias cov khoom tuaj yeem ua tau yooj yim dov, tsim los yog welded rau ntau yam duab thiab ntau thiab tsawg. Cov pa roj carbon steel yog cov khoom siv nrov rau cov kav dej vim nws qhov yooj yim rau khoov lossis flex tsis tawg hauv kev kub ntxhov. Qhov no ua rau nws tsim nyog rau kev thauj khoom xws li dej, dej phwj tuaj thiab roj.
Low Temperature Carbon Steel Pipe muaj cov khoom zoo ib yam li stainless hlau tab sis nrog cov ntsiab lus qis dua. Nws pom cov ntawv thov thoob plaws ntau yam kev lag luam vim nws lub zog los tiv thaiv kev kub ntxhov thiab tuaj yeem tsim ua ntau yam duab thiab ntau thiab tsawg siv dov, forging lossis vuam txheej txheem.
Txiav txim siab qhov yuav tsum tau muaj qhov kub thiab txias ntawm cov yeeb nkab uas tsis tshua muaj kub
Thawj thiab qhov tseem ceeb tshaj plaws uas koj yuav tsum xav txog hauv kev xaiv qhov kub ntawm cov pa roj carbon steel yeeb nkab yog txiav txim siab qhov kub thiab txias uas koj cov kav dej yuav ua haujlwm. Qhov no yuav pab koj xaiv cov qib zoo, phab ntsa tuab, thiab cov yeeb nkab loj. LTCS muaj qhov kub thiab txias ntawm -50 degree txog 100 degree . Txawm li cas los xij, yog tias qhov ntsuas kub ua haujlwm qis dua qhov ntau, koj yuav tau hloov mus rau austenitic stainless hlau kom ua tau zoo dua.
Kev xaiv khoom
Cov pa roj carbon cua kub qis yog dav faib ua ob qib, xws li Qib 1 thiab Qib 3. Qib 1 yog cov khoom siv feem ntau vim nws lub zog zoo thiab lub zog toughness ntawm qhov kub thiab txias. Lub caij no, Qib 3 feem ntau yog siv rau kev pabcuam kub hauv qab 50 degree. Hais txog kev xaiv cov khoom, koj yuav tsum xav txog cov txheej txheem txheej txheem, qhov kub thiab txias, thiab qhov cuam tshuam corrosion, thiab lwm yam.
Pipe Manufacturing Standards
Cov qauv tsim cov yeeb nkab yog qhov tseem ceeb hauv kev xaiv txoj cai qis-kub carbon yeeb nkab. ASTM A333 yog ib qho kev paub zoo uas npog seamless thiab welded yeeb nkab raug tsim. Qhov kev qhia tshwj xeeb no muab cov khoom siv tshuaj lom neeg thiab cov khoom siv ntawm Qib 1 thiab Qib 3 qis-kub carbon steel kav. Nws tseem suav nrog cov kev xav tau ntxiv xws li kev sim tsis muaj kev puas tsuaj thiab kev kho cua sov.
Phab ntsa Thickness Thiab Yeeb Nkab Loj
Cov phab ntsa tuab thiab cov yeeb nkab loj yog qhov tseem ceeb hauv kev xaiv txoj cai qis-kub carbon steel yeeb nkab. Cov phab ntsa tuab yuav tsum tuab txaus kom tiv thaiv kev puas tsuaj los yog kev puas tsuaj vim qhov kub thiab txias. Cov yeeb nkab loj yuav tsum raug xaiv raws li tus nqi ntws, viscosity ntawm cov kua, thiab cov txheej txheem yuav tsum tau ua. Cov kav dej loj dua tuaj yeem yuav tsum tau txo qis qis, thaum cov kav dej me me tuaj yeem txhim kho cov dej ntws.
Corrosion Resistance
Corrosion yog ib qho teeb meem tshwm sim hauv cov kav dej uas tuaj yeem txo txoj sia thiab kev ua haujlwm. Tsawg-kub carbon steel kav kuj muaj feem xyuam rau corrosion, thiab lawv qhov haum rau ib daim ntawv thov tshwj xeeb yuav tsum tau soj ntsuam raws li lawv cov khoom tiv thaiv corrosion. Nto coatings thiab hauv ob sab phlu feem ntau yog siv los ua kom muaj kev tiv thaiv corrosion ntawm cov kav dej.
Cov ntawv pov thawj
Peb lub Hoobkas
Peb lub tuam txhab kev lag luam suav nrog Middle East, North Africa, South America, Southeast Asia, Central America thiab lwm thaj chaw, nrog rau txhua xyoo export nqi ntawm ntau tshaj 10 lab US dollars.
FAQ
Cim npe nrov: Tuam Tshoj qis kub steel yeeb nkab manufacturers, lwm tus neeg, Hoobkas