Chitoliro Chapamwamba cha Spiral Welded Carbon Steel Chimagwira Ntchito Bwino
Mechanical Property
kalasi yachitsulo | mphamvu zochepa zokolola Mpa | Kulimba kwamakokedwe | Kutalikira pang'ono % | Mphamvu zochepa zomwe zimakhudzidwa J | ||||
Makulidwe odziwika mm | Makulidwe odziwika mm | Makulidwe odziwika mm | pa kutentha kwa mayeso a | |||||
<16 | >16≤40 | <3 | ≥3≤40 | ≤40 | -20 ℃ | 0 ℃ | 20 ℃ | |
Chithunzi cha S235JRH | 235 | 225 | 360-510 | 360-510 | 24 | - | - | 27 |
Chithunzi cha S275J0H | 275 | 265 | 430-580 | 410-560 | 20 | - | 27 | - |
Chithunzi cha S275J2H | 27 | - | - | |||||
Chithunzi cha S355J0H | 365 | 345 | 510-680 | 470-630 | 20 | - | 27 | - |
Chithunzi cha S355J2H | 27 | - | - | |||||
Chithunzi cha S355K2H | 40 | - | - |
Chemical Composition
Chitsulo kalasi | Mtundu wa de-oxidation a | % ndi misa, pazipita | ||||||
Dzina lachitsulo | Nambala yachitsulo | C | C | Si | Mn | P | S | Nb |
Chithunzi cha S235JRH | 1.0039 | FF | 0,17 | - | 1,40 | 0,040 | 0,040 | 0.009 |
Chithunzi cha S275J0H | 1.0149 | FF | 0,20 | - | 1,50 | 0,035 | 0,035 | 0,009 |
Chithunzi cha S275J2H | 1.0138 | FF | 0,20 | - | 1,50 | 0,030 | 0,030 | - |
Chithunzi cha S355J0H | 1.0547 | FF | 0,22 | 0,55 | 1,60 | 0,035 | 0,035 | 0,009 |
Chithunzi cha S355J2H | 1.0576 | FF | 0,22 | 0,55 | 1,60 | 0,030 | 0,030 | - |
Chithunzi cha S355K2H | 1.0512 | FF | 0,22 | 0,55 | 1,60 | 0,030 | 0,030 | - |
a. Njira ya deoxidation imayikidwa motere:FF: Chitsulo chophedwa kwathunthu chokhala ndi zinthu zomangira za nayitrogeni mu kuchuluka kokwanira kumanga nayitrogeni yomwe ilipo (mwachitsanzo min. 0,020 % okwana Al kapena 0,015 % sungunuka Al). b. Mtengo wapamwamba wa nayitrogeni sugwira ntchito ngati mankhwala akuwonetsa kuchuluka kwa Al zomwe zili 0,020 % ndi chiŵerengero chochepa cha Al/N cha 2:1, kapena ngati zinthu zina zokwanira za N-binding zilipo. Zinthu zomangiriza za N zidzalembedwa mu Inspection Document. |
Chiyambi cha Zamalonda
Mapaipi athu ozungulira opangidwa ndi chitsulo cha kaboni amakwaniritsa mulingo wokhazikika wa EN10219, kuwonetsetsa kuti magwiridwe antchito ndi odalirika pamafakitale osiyanasiyana ndi malonda. Sikuti mapaipi apamwambawa ndi olimba komanso olimba, amaperekanso kukana kwambiri kwa dzimbiri ndi kupanikizika, zomwe zimawapangitsa kukhala abwino kuti azitha kuyendetsa bwino gasi pansi pa nthaka.
Njira yapadera yowotcherera yozungulira imakulitsa kukhulupirika kwa chitoliro, ndikupangitsa kuti ipirire kuyesedwa kwa malo ovuta. Ndi mawonekedwe ake abwino kwambiri, chitoliro chathu cha spiral welded carbon steel chili choyenera kugwiritsa ntchito zosiyanasiyana, kuphatikizapo kugawa mphamvu, zomangamanga ndi zomangamanga.
Posankha apamwamba athuspiral welded carbon steel pipe, mukugulitsa zinthu zomwe zimatsimikizira moyo wautali komanso kuchita bwino. Kudzipereka kwathu pazabwino komanso kukhutitsidwa kwamakasitomala kumawonekera m'mbali zonse za kupanga kwathu, kuyambira pakusankha zinthu zopangira mpaka pakuwunika komaliza.
Ubwino wa mankhwala
Chimodzi mwazabwino zazikulu za chitoliro chathu cha spiral welded carbon steel ndi mphamvu yake yabwino kwambiri komanso kukana kukanikiza, zomwe zimapangitsa kuti ikhale yabwino yoyendera bwino komanso yotetezeka ya gasi. Njira yowotcherera yozungulira imakulitsa kukhulupirika kwa chitoliro, kulola kupirira zovuta zachilengedwe ndi katundu wolemetsa. Kuonjezera apo, mkati mwa chitoliro chosalala chamkati chimachepetsa kukangana, kuonjezera kuthamanga kwa magazi ndi kuchepetsa kugwiritsa ntchito mphamvu.
Kuperewera kwa Zinthu
Ngakhale kuti imagwira ntchito bwino kwambiri, zinthu monga kutengeka kwa dzimbiri ziyenera kuganiziridwa, makamaka m'malo ovuta. Kuphimba koyenera ndi kukonza ndizofunikira kuti ziwonjezere moyo wa chitoliro ndikuwonetsetsa kudalirika kwake kwa nthawi yayitali. Kuphatikiza apo, mtengo woyambira wa spiral welded carbon steel chitoliro ukhoza kukhala wokwera kuposa zida zina, zomwe zitha kuganiziridwa pama projekiti omwe amakhudzidwa ndi bajeti.
Kugwiritsa ntchito
Mapaipi athu ozungulira opangidwa ndi chitsulo cha kaboni amakwaniritsa miyezo ya EN10219, kuwonetsetsa kuti ma benchmark apamwamba kwambiri komanso magwiridwe antchito akukwaniritsidwa. Amapangidwa kuti athe kupirira zovuta ndi zovuta za kukhazikitsa mobisa, mapaipi ndi abwino kwa mapaipi a gasi. Ukadaulo wake wapadera wowotcherera wozungulira sikuti umangowonjezera kukhulupirika kwake, komanso umapereka kukana kwa dzimbiri komanso abrasion, kuonetsetsa moyo wautali komanso kudalirika pamikhalidwe yosiyanasiyana ya chilengedwe.
Mpweya wathu wozungulira welded carbonchitoliro chachitsuloali ndi ntchito zosiyanasiyana, osati kungogwiritsa ntchito gasi. Ndizoyenera kugwiritsa ntchito zosiyanasiyana zamakampani ndi zamalonda, kuphatikiza njira zoperekera madzi, njira zoyendetsera zimbudzi ndi ntchito zamapangidwe. Kuphatikizana kwapamwamba kwambiri ndi ntchito zabwino kumapangitsa kukhala chisankho choyamba cha akatswiri ndi makontrakitala.
FAQS
Q1. Ubwino waukulu wogwiritsa ntchito spiral welded carbon steel pipe ndi chiyani?
- Zopindulitsa zazikulu ndikuphatikiza mphamvu zambiri, kukana kwa dzimbiri, kukana kupanikizika kwambiri, komanso kukwanira pakugwiritsa ntchito gasi.
Q2. Kodi kupanga kumakhudza bwanji khalidwe?
- Njira zathu zamakono zopangira zimatsimikizira kuti chitoliro chilichonse chimapangidwa mwaluso, zomwe zimapangitsa kuti pakhale mankhwala odalirika komanso okhazikika.
Q3. Kodi chitolirocho ndi choyenera kugwiritsa ntchito zina?
- Inde, ngakhale ndi yabwino kwa mapaipi a gasi, itha kugwiritsidwanso ntchito m'madzi, zimbudzi, ndi ntchito zina zamafakitale.
Q4. Kodi payipi imayenera kukhala ndi moyo wautali bwanji?
- Ndi kukhazikitsa ndi kukonza moyenera, mapaipi athu ozungulira ozungulira chitsulo amatha kukhala kwazaka zambiri, kupereka phindu lanthawi yayitali.