Karfe Welded Bututu Don Ƙarfi mara Ƙarfi da Ingantaccen ASTM A252
Gabatarwa:
Idan aka zo batun samar da ababen more rayuwa, tsarin bututun ya zama wani muhimmin bangaren da ke taka muhimmiyar rawa a masana’antu daban-daban.Yin amfani da kayan aiki masu dacewa da fasaha a cikin ginin bututu yana tabbatar da dorewa, ƙarfi da aminci, daKarfe welded karfe bututu ASTM A252shi ne kan gaba a wannan ci gaban fasaha.A cikin wannan shafin yanar gizon, za mu yi la'akari da ƙayyadaddun halaye da fa'idodin waɗannan bututun na ban mamaki waɗanda suka zama jigo a ayyukan gine-gine na zamani.
Abubuwan Injiniyan Bututun SSAW
| darajar karfe | ƙarancin yawan amfanin ƙasa | mafi ƙarancin ƙarfin ƙarfi | Karancin Tsawaitawa |
| B | 245 | 415 | 23 |
| X42 | 290 | 415 | 23 |
| X46 | 320 | 435 | 22 |
| X52 | 360 | 460 | 21 |
| X56 | 390 | 490 | 19 |
| X60 | 415 | 520 | 18 |
| X65 | 450 | 535 | 18 |
| X70 | 485 | 570 | 17 |
Haɗin Sinadaran Bututun SSAW
| darajar karfe | C | Mn | P | S | V+Nb+Ti |
| Matsakaicin % | Matsakaicin % | Matsakaicin % | Matsakaicin % | Matsakaicin % | |
| B | 0.26 | 1.2 | 0.03 | 0.03 | 0.15 |
| X42 | 0.26 | 1.3 | 0.03 | 0.03 | 0.15 |
| X46 | 0.26 | 1.4 | 0.03 | 0.03 | 0.15 |
| X52 | 0.26 | 1.4 | 0.03 | 0.03 | 0.15 |
| X56 | 0.26 | 1.4 | 0.03 | 0.03 | 0.15 |
| X60 | 0.26 | 1.4 | 0.03 | 0.03 | 0.15 |
| X65 | 0.26 | 1.45 | 0.03 | 0.03 | 0.15 |
| X70 | 0.26 | 1.65 | 0.03 | 0.03 | 0.15 |
Haƙurin Jumlar Jumhuriyar Tushen SSAW
| Hakuri na geometric | ||||||||||
| diamita na waje | Kaurin bango | madaidaiciya | fita-na-zagaye | taro | Matsakaicin tsayin dutsen walda | |||||
| D | T | |||||||||
| ≤1422mm | ： 1422mm | mm 15 | ≥15mm | tsawon 1.5m | cikakken tsayi | jikin bututu | karshen bututu | T≤13mm | T = 13 mm | |
| ± 0.5% | kamar yadda aka amince | ± 10% | ± 1.5mm | 3.2mm | 0.2% L | 0.020D | 0.015D | '+10% | 3.5mm | 4.8mm |
Gwajin Hydrostatic
Ƙarfi da Ƙarfi mara Ƙarfi:
ASTM A252karkace welded karfe bututuan yi shi da ƙarfe mai inganci wanda ya dace da matsayin ASTM A252.Ma'auni yana ba da tabbacin ƙarfin ƙarfi da dorewa na bututu, yana sa su dace da aikace-aikace iri-iri ciki har da watsa mai da iskar gas, harsashin tarawa da kayan aikin ruwa.Karkataccen walda yana ƙara ƙarfi da juriya na bututu zuwa dakarun waje, yana tabbatar da cewa za su iya jure yanayin matsanancin matsin lamba da yanayin yanayi mara kyau.
Mafi kyawun inganci da ingantaccen farashi:
Ofaya daga cikin fa'idodin farko na ASTM A252 karkace bututun ƙarfe shine ingantaccen ingancin sa a cikin shigarwa da amfani.Zanensa na karkace yana da sauƙin ɗauka da kuma ɗauka saboda ƙarancin nauyi idan aka kwatanta da sauran kayan bututu.Bugu da ƙari, sassaucin waɗannan bututu yana sauƙaƙe lanƙwasa, rage buƙatun kayan aiki da haɗin gwiwa.Ba wai kawai wannan yana adana lokaci ba, yana kuma rage farashin shigarwa sosai, yana sanya irin wannan nau'in ductwork ya zama mafita mai inganci don ayyuka iri-iri.
Ingantacciyar juriyar lalata:
Lalata babbar matsala ce a tsarin bututun, musamman a masana'antun da ke sarrafa sinadarai da abubuwa masu lalata.Ma'aunin ASTM A252 yana tabbatar da cewa bututun ƙarfe masu waldaran karkace suna nuna kyakkyawan juriya na lalata.Waɗannan bututun suna da kayan kariya irin su epoxy ko zinc waɗanda ke aiki azaman shinge ga abubuwan lalata, suna tsawaita rayuwar sabis da rage farashin kulawa.Wannan fasalin yana da fa'ida musamman a aikace-aikacen ƙarƙashin ƙasa ko na ketare inda bututu ke fuskantar matsanancin yanayin muhalli.
Mafi girman iya ɗauka:
Wani muhimmin sifa na ASTM A252 karkace welded karfe bututu ne da kyau kwarai iya aiki.Fasahar walda ta karkace da ake amfani da ita wajen masana'anta tana kara karfin bututun da karfin jure kaya masu nauyi.Ko ana amfani da shi wajen gina gada, ginin tushe ko bututun karkashin kasa, waɗannan bututun suna samar da ingantaccen tsarin tsari, rage haɗarin gazawa da tabbatar da amincin dogon lokaci na ayyukan ababen more rayuwa iri-iri.
Dorewar muhalli:
A lokacin da kariyar muhalli ta kasance abin damuwa a duniya, zabar kayan gini daidai yana da mahimmanci.Karfe welded karfe bututu ASTM A252 ya bi ɗorewar ayyukan gini saboda karko da sake amfani da shi.Bututun suna da tsawon rayuwar sabis kuma ana iya sake yin amfani da su cikin sauƙi a ƙarshen rayuwarsu, tare da rage buƙatar sabbin abubuwan hakowa yayin rage sharar gida da iskar carbon.
A ƙarshe:
Karfe welded karfe bututu ASTM A252 ya kawo sauyi da bututun masana'antu tare da mafi girma ƙarfi, karko da kuma tsada-tasiri.Waɗannan bututun sun cika ko wuce matsayin masana'antu, wanda ya sa su zama zaɓi na farko a masana'antu da yawa.Kyakkyawan ƙarfin ɗaukar nauyi da juriya na lalata yana tabbatar da ci gaba mai dorewa na ayyukan samar da ababen more rayuwa da kuma ba da gudummawa ga ci gaban masana'antar duniya.Ta hanyar amfani da waɗannan bututun, ayyukan gine-gine na iya haɓaka inganci, rage farashi da tabbatar da dogaro na dogon lokaci yayin da ake bin dorewar muhalli.
