| Samfura | Bututu Karfe mara sumul | Ƙayyadaddun bayanai |
| Kayan abu | Karfe Karfe | OD: 13.7-610mm Kauri: sch40 sch80 sch160 Tsawon: 5.8-6.0m |
| Daraja | Q235 = A53 Darasi B L245 = API 5L B/ASTM A106B | |
| Surface | Baƙar Fentin | Amfani |
| Ƙarshe | Ƙarshen fili | Mai / Gas isar da bututu karfe |
| Ko Beveled ya ƙare |
Ana kera bututun ƙarfe marasa ƙarfi zuwa ma'auni daban-daban don saduwa da buƙatun aikace-aikacen daban-daban da ƙayyadaddun masana'antu. Anan akwai wasu ƙa'idodi da aka saba amfani da su don bututun ƙarfe maras sumul:
ASTM (Ƙungiyar Gwaji da Kayayyakin Amirka):
ASTM A53: Madaidaicin ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun bututu, ƙarfe, baƙar fata da tsoma mai zafi, mai rufin tutiya, walda da sumul.
ASTM A106: Madaidaicin ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun bututun ƙarfe na ƙarfe don sabis na zafin jiki mai ƙarfi
API (Cibiyar Man Fetur ta Amurka):
API 5L: Ƙayyadaddun bututun layi, ana amfani da shi don jigilar mai da iskar gas.
