A cikin ayyukan harsashin tubali, ingancin bututun ƙarfe yana ƙayyade daidaito da dorewar harsashin ginin kai tsaye. Zaɓar ingantaccen tusheKamfanin ASTM A252shine muhimmin mataki na farko don tabbatar da tsaron aikin. Wannan labarin zai taimaka muku fahimtar muhimman abubuwan da ke cikin ma'aunin ASTM A252 da kuma yadda za a tantance masu samar da kayayyaki masu inganci.
Fassarar ASTM A252 Standard
ASTM A252 ƙa'ida ce ta yau da kullun don "tubalan bututun ƙarfe masu walda da marasa sumul" wanda Ƙungiyar Gwaji da Kayan Aiki ta Amurka ta tsara. Wannan ƙa'ida ta shafi zagaye.tarin bututun ƙarfetare da kauri bango na musamman, kuma aikace-aikacensa an raba shi zuwa rukuni biyu:
Abubuwan ɗaukar kaya na dindindin: Bututun ƙarfe suna aiki a matsayin tsarin ɗaukar kaya na dindindin, suna ɗaukar nauyin ginin kai tsaye.
Bakin zubar da siminti: Bututun ƙarfe yana aiki a matsayin harsashi, kuma ana zuba siminti a ciki don samar da tarin da aka yi da siminti.
Ma'aunin ya ƙunshi maki uku na ƙarfi: Aji na 1, Aji na 2, da Aji na 3. Daga cikinsu, bututun ƙarfe na A252 GRADE 1 yana da kyakkyawan sauƙin walda da kuma wadatarwa, kuma ya dace da ayyukan tushe mai sauƙi zuwa matsakaici.
Muhimman abubuwan da ake la'akari da su game da girman bututun ƙarfe
ZaɓinGirman Bututun ASTM A252Yana shafar ingancin gini da ƙarfin ɗaukar kaya kai tsaye. Manyan sigogi sun haɗa da:
Kewayon diamita: Dangane da yanayin ƙasa da buƙatun kaya, ana iya keɓance shi daga ƙananan diamita zuwa manyan diamita.
Matsayin kauri bango: Kauri bango na yau da kullun yana ƙayyade ƙarfin matsi da lanƙwasa.
Tsawon bututu ɗaya: Yana rage haɗin walda a wurin kuma yana ƙara ingancin gini
Bututun da aka haɗa da aka samar da Cangzhou Spiral Steel Pipe Group Co., Ltd. suna da diamita daga 219mm zuwa 3500mm, kuma kowanne tulu zai iya kaiwa tsawon mita 35, wanda hakan zai biya buƙatun dogayen tulu a fannin injiniyan tushe mai zurfi.
Yadda ake kimanta masana'antar ASTM A252 mai inganci
Lokacin zabar masana'antar ASTM A252, ana ba da shawarar yin la'akari da waɗannan abubuwan:
Cancantar samarwa da ƙarfin samarwa
An kafa ƙungiyar bututun ƙarfe mai siffar karkace ta Cangzhou a shekarar 1993 kuma babbar masana'anta ce ta bututun ƙarfe mai siffar karkace da kuma rufin bututu a ƙasar Sin. Masana'antar tana cikin birnin Cangzhou, lardin Hebei, inda take da faɗin murabba'in mita 350,000, tare da jimillar kadarorinta na yuan miliyan 680. Tana samar da tan 400,000 na bututun ƙarfe mai siffar karkace kowace shekara kuma tana da ƙimar fitarwa ta shekara-shekara ta yuan biliyan 1.8. Ƙarfin samarwa mai ƙarfi yana tabbatar da isar da manyan oda akan lokaci.
2. Tsarin Kula da Inganci
A bi ƙa'idar ASTM A252 sosai. A aiwatar da cikakken iko a duk tsawon aikin, tun daga siyan bututun ƙarfe zuwa duba walda don tabbatar da ingancin injina da daidaiton girman kayan bututun.
3. Ƙarfin rufewa mai hana lalata
Ayyukan harsashin tubali galibi suna fuskantar yanayi mai danshi ko tsatsa. Sabis ɗin rufewa da masana'anta ke bayarwa don kayan bututu na iya bayar da mafita na hana tsatsa kamar epoxy da PE, ta haka ne za a tsawaita tsawon lokacin aiki.
4. Fa'idodin sufuri na jigilar kayayyaki
Cangzhou tana kusa da tashar jiragen ruwa ta Tianjin. Ta hanyar amfani da babbar tashar jiragen ruwa a arewa, za ta iya samun ingantaccen jigilar kayayyaki tsakanin teku da ƙasa, ta haka za ta rage farashin sufuri na ƙasashen duniya.
Kammalawa
Lokacin zabar masana'antar ASTM A252 mai inganci, ya zama dole a yi cikakken kimanta matsayin samarwa, iyakokin takamaiman bayanai, ƙarfin samarwa da kuma damar jigilar kayayyaki. Tare da kusan shekaru 30 na ƙwarewar masana'antu da kuma cikakkiyar fa'idar sarkar masana'antu, ƙungiyar Cangzhou Spiral Steel Pipe Group ta himmatu wajen samar da ingantattun hanyoyin samar da bututun ƙarfe don ayyukan tushe na duniya.
Da fatan za a iya tuntuɓar mu don shawarwari na zaɓi da kuma ƙididdigewa na musamman don Girman Bututun ASTM A252.
Lokacin Saƙo: Maris-18-2026