Bututun ƙarfe na LSAW (Longitudinal Submerged Arc Welded) wani nau'in bututun ƙarfe ne da aka ƙera ta amfani da tsarin walda mai zurfi.
| Diamita na Waje | 325-2020MM |
| Kauri | 7.0-80.0MM (juriya +/-10-12%) |
| Tsawon | 6M-12M |
| Daidaitacce | API 5L, ASTM A553, ASTM A252 |
| Karfe Grade | Darasi na B, x42, x52 |
| Ƙarshen Bututu | Ƙarfin da aka yanke tare da ko ba tare da ƙarshen bututu ba |
| Filin Bututu | An fentin Baƙin Halitta Mai Zane Baƙin 3PE Mai Rufi |
API 5L:Cibiyar Man Fetur ta Amurka ce ta kafa wannan ma'auni kuma ta ƙayyade buƙatun ƙera bututun layi da ake amfani da shi wajen jigilar mai, iskar gas, da sauran kayayyakin da ake amfani da su a man fetur. Bin ƙa'idodin API 5L yana tabbatar da cewa bututun ƙarfe na LSAW ya cika ƙa'idodin inganci da aiki da ake buƙata don amfani a masana'antar mai da iskar gas.
ASTM A53:ASTM A53 tsari ne na musamman don bututu, ƙarfe, baƙi da kuma wanda aka tsoma a cikin ruwan zafi, wanda aka shafa da zinc, wanda aka haɗa da walda, kuma ba shi da matsala. Bin ƙa'idar ASTM A53 yana tabbatar da cewa bututun ƙarfe na LSAW ya cika takamaiman buƙatu don amfani a aikace-aikacen injina da matsi, da kuma don amfani gabaɗaya.
ASTM A252:ƙayyadadden tsari don tukwanen bututun ƙarfe da aka haɗa da na ƙarfe. Idan ana maganar bututun ƙarfe na LSAW (Longitudinal Submerged Arc Welded), bin ƙa'idodin ASTM A252 yana da mahimmanci musamman ga aikace-aikacen da suka shafi tukwanen bututun ƙarfe da ake amfani da su a cikin gine-gine da ayyukan tallafi na tsari. ASTM A252 ya ƙayyade buƙatun fasaha don tukwanen bututun ƙarfe, gami da girma, halayen injiniya, da hanyoyin gwaji.
An ƙera bututun ƙarfe na LSAW waɗanda suka yi daidai da ASTM A252 don biyan buƙatun musamman don amfani a aikace-aikacen tattara abubuwa, kamar gina harsashi, gine-ginen ruwa, gina gada, da sauran ayyukan injiniyan farar hula. Bin ƙa'idar ASTM A252 yana tabbatar da cewa bututun ƙarfe na LSAW sun cika ƙa'idodin inganci, aiki, da aminci don amfanin da aka yi niyya don aikace-aikacen tattara abubuwa.
