Ga wasu mahimman bayanai game da bututun ƙarfe na LSAW:
Tsarin walda: Ana kera bututun ƙarfe na LSAW ta amfani da tsarin waldawar baka ɗaya, biyu ko sau uku. Wannan hanya ta ba da damar yin amfani da inganci mai kyau, nau'in welds tare da tsawon bututu.
Longitudinal Seam: Tsarin walda yana haifar da tsayi mai tsayi a cikin bututun ƙarfe, yana haifar da ginin ƙarfi da ɗorewa wanda ya dace da aikace-aikace daban-daban.
Babban Ƙarfin Diamita: An san bututun ƙarfe na LSAW don iyawar da za a iya kera su a cikin manyan diamita, yana sa su dace da aikace-aikacen da ke buƙatar jigilar ruwa mai mahimmanci ko don amfani a aikace-aikacen tsari.
Aikace-aikace: An fi amfani da bututun ƙarfe na LSAW a aikace-aikace kamar bututun watsa mai da iskar gas, tarawa, tallafi na tsarin gini, da sauran ayyukan masana'antu da ababen more rayuwa.
Yarda da Ka'idoji: An tsara bututun ƙarfe na LSAW da kera su don saduwa da ka'idodin masana'antu da ƙayyadaddun bayanai, tabbatar da cewa sun cika buƙatun takamaiman aikace-aikace da yanayin muhalli.
| API 5L PSL1 Welded Karfe Bututu | Haɗin Sinadari | Kayayyakin Injini | ||||
| Karfe daraja | C (max.)% | Mn (max.)% | P (max.)% | S (max.)% | Ƙarfin bayarwa min. MPa | Ƙarfin ƙarfi min. MPa |
| Darasi A | 0.22 | 0.9 | 0.03 | 0.03 | 207 | 331 |
| Darasi B | 0.26 | 1.2 | 0.03 | 0.03 | 241 | 414 |
| Waje Diamita | 325-2020MM |
| Kauri | 7.0-80.0MM (haƙuri +/- 10-12%) |
| Tsawon | 6M-12M |
| Daidaitawa | API 5L ASTM A252 |
| Karfe daraja | Darasi B, x42, x52 |
| Ƙarshen bututu | Ƙarƙashin ƙarewa tare da ko ba tare da kariyar ƙarshen bututu ba |
| Bututu Surface | Baƙaƙen Halitta Mai Baƙar fata Ko 3PE Mai Rufi |
