ASTM A53 bututu mara nauyiAn rarraba shi azaman A53 Type S kuma bututun ƙarfe ne mara sumul.
Ya kasu zuwa maki biyu, Grade A da Grade B, kuma ya dace da aikace-aikacen injina da matsa lamba, da kuma amfani da shi gabaɗaya don tururi, ruwa, gas, da iska.Wannan bututun ƙarfe bututun ƙarfe ne na carbon wanda ya dace da waldawa da samar da ayyukan da suka haɗa da naɗa, lankwasa, da haɗin flange.
| Daidaitawa | ASTM A53/A53M |
| Diamita na Suna | DN 6-650 [NPS 1/8 - 26] |
| Ƙayyadaddun Diamita na Wuta | 10.3 - 660 mm [0.405 - 26 in.] |
| Class Nauyi | STD (Standard), XS (Ƙarfin Ƙarfi), XXS (Ƙarfafa Biyu) |
| Jadawalin No. | Jadawalin 10, Jadawalin 20, Jadawalin 30, Jadawalin 40, Jadawalin 60, Jadawalin 80, Jadawalin 100, Jadawalin 120, Jadawalin 140, Jadawalin 160, |
A aikace, Jadawalin 40 da Jadawalin 80 sune maki kaurin bangon bututu biyu da aka fi amfani da su.Don ƙarin bayani, da fatan za a koma zuwaJadawalin darajar PDFfayil mun bayar.
Tun lokacin da aka kafa shi a cikin 2014.Botop Karfeya zama babban mai samar da bututun ƙarfe na carbon a Arewacin kasar Sin, wanda aka sani don kyakkyawan sabis, samfurori masu inganci, da cikakkun mafita.
Kamfanin yana ba da nau'ikan bututun ƙarfe na carbon da samfuran da ke da alaƙa, waɗanda suka haɗa da marasa ƙarfi, ERW, LSAW, da bututun ƙarfe na SSAW, da kuma cikakken jeri na kayan aikin bututu da flanges.Kayayyakinsa na musamman sun haɗa da gawa mai daraja da austenitic bakin karafa, waɗanda aka keɓance don biyan buƙatun ayyukan bututun.
ASTM A53 karfe bututu na iya zama ko dai sumul ko welded.
Hanyar masana'anta mara kyau (Nau'in S) aiki ne mai zafi na ƙarfe kuma, idan ya cancanta, kammalawar sanyi na kayan aikin tubular mai zafi don cimma siffar da ake buƙata, girma, da kaddarorin da ake buƙata.
A cikin ma'auni na ASTM A53, abubuwan da ake buƙata na abubuwan sinadaran don Nau'in S daNau'in Ebututun ƙarfe iri ɗaya ne, yayin da abubuwan da ake buƙata na nau'in sinadarai na nau'in F sun bambanta.
AAbubuwa biyarCu,Ni,Cr,Mo, kumaVtare kada ya wuce 1.00%.
BGa kowane raguwa na 0.01 % ƙasa da ƙayyadadden ƙimar carbon, haɓakar 0.06 % na manganese sama da ƙayyadadden ƙayyadadden ƙima za a ba da izini har zuwa iyakar 1.35 %.
CGa kowane raguwa na 0.01 % ƙasa da ƙayyadadden iyakar carbon, haɓakar 0.06 % na manganese sama da iyakar ƙayyadaddun za a ba da izini har zuwa iyakar 1.65 %.
Ayyukan Tashin hankali
| Jerin | Rabewa | Darasi A | Darasi B |
| Ƙarfin ƙarfi, min | MPa [psi] | 330 [48,000] | 415 [60,000] |
| Ƙarfin bayarwa, min | MPa [psi] | 205 [30,000] | 240 [35,000] |
| Tsawaitawaa cikin mm 50 [2 in.] | Lura | A, B | A, B |
Lanƙwasa Gwajin
Don DN ≤ 50 [NPS ≤ 2], isasshen tsayin bututu zai iya zama mai lanƙwasa sanyi ta hanyar 90 ° a kusa da madaidaicin cylindrical, diamita wanda ya ninka sau goma sha biyu ƙayyadaddun diamita na bututun, ba tare da haɓaka fasa ba a kowane yanki.
Biyu-karin-ƙarfi(XXS) bututu sama da DN 32 [NPS 1 1/4] baya buƙatar yin gwajin lanƙwasa.
Gwajin Lalacewa
Bututun ƙarfe maras sumul baya buƙatar a yi gwajin ƙwanƙwasa.
Idan an buƙata ta kwangilar, ana iya yin gwajin bisa ga tsari a cikin S1.
Duk masu girma dabam na bututun ƙarfe maras sumul za su kula da ƙimar matsa lamba na ruwa ba tare da yayyo ba na akalla daƙiƙa 5.
Ana iya samun matsi na gwaji don bututun ƙarfe mai ƙarewa a cikin Tebur X2.2.
Ana iya samun matsi na gwaji don zaren da aka haɗa da bututun ƙarfe a cikin Tebur X2.3.
Ana iya amfani dashi azaman madadin gwajin hydrostatic.
Duk tsawon kowane bututu maras nauyi za a yi gwajin lantarki mara lalacewa daidai daE213, E309, koE570.
Lokacin siyan ASTM A53, juriyar girman girman bututun ƙarfe yakamata ya dace da buƙatun masu zuwa.
| Jerin | Tsara | Hakuri |
| taro | Nauyin ka'idar | ± 10% |
| Diamita | DN 40mm [NPS 1/2] ko ƙarami | ± 0.4mm |
| DN 50mm [NPS 2] ko mafi girma | ± 1% | |
| Kauri | mafi ƙarancin kauri na bango zai kasance daidai da Tebur X2.4 | min 87.5% |
| Tsawon tsayi | ya fi nauyi fiye da ƙarfi (XS). | 4.88m-6.71m (ba fiye da 5% na jimlar adadin zaren tsayin da aka tanada ba kasancewar masu haɗin gwiwa (guda biyu an haɗa su tare)) |
| ya fi nauyi fiye da ƙarfi (XS). (bututu mai haske) | 3.66m-4.88m (Ba fiye da 5% na jimlar adadin ba) | |
| XS, XXS, ko kaurin bango mai kauri | 3.66m-6.71m (ba fiye da 5% jimlar bututu 1.83m-3.66m) | |
| ya fi nauyi fiye da ƙarfi (XS). (tsawon bazuwar ninki biyu) | ≥6.71m (Matsakaicin matsakaicin tsayi na 10.67m) |
Standarda'idar ASTM A53 tana ƙayyadaddun buƙatun don yanayin bututun baki da murfin galvanized mai zafi na bututun ƙarfe.
Black Pipe
Baƙin bututu yana nufin yanayin bututun ƙarfe ba tare da wani magani na saman ba.
Ana amfani da baƙar fata sau da yawa a wuraren da lokacin ajiya ya yi gajere, yanayin bushewa kuma ba ya lalacewa, kuma farashin yawanci yakan ragu saboda babu sutura.
Rufin Galvanized mai zafi-tsoma
Ana amfani da bututun da aka yi amfani da shi, wanda kuma aka sani da fararen bututu, a cikin yanayi mai ɗanɗano ko ɓarna.
Zinc a cikin murfin zinc na iya zama kowane nau'in zinc a cikin ASTM B6.
Bututun galvanized ba zai zama mai yanci daga wuraren da ba a rufe ba, blisters, ajiya mai jujjuyawa, da tarkacen datti.Kullun, tsinkaya, globules, ko manyan adibas na zinc wanda zai tsoma baki tare da abin da aka yi niyya na amfani da kayan ba za a yarda ba.
Abubuwan da ke cikin Zinc ba su ƙasa da 0.55 kg/m² [1.8 oz/ft²].
Sauran Rufi
Baya ga baƙar fata bututu da galvanized shafi, na kowa shafi iri sun hada dafenti, 3 LPE, FBE, da dai sauransu Za a iya zaɓar nau'in sutura mai dacewa bisa ga ƙayyadaddun buƙatun yanayin aiki.
Samar da waɗannan bayanan zai sa tsarin siyan ku ya fi dacewa da inganci.
Daidaitaccen suna: ASTM A53/A53M;
Yawan: Jimlar tsayi ko jimlar lamba;
Darasi: Daraja A ko B;
Nau'in: S, E, ko F;
Maganin saman: baki ko galvanized;
Girman: Diamita na waje, kaurin bango, ko jadawalin A'a ko nauyin nauyi;
Tsawon: ƙayyadadden tsayi ko tsayin bazuwar;
Ƙarshen bututu: ƙarshen fili, ƙarshen lanƙwasa, ko ƙarshen zaren;
