-
Bututu / bututu mara nauyi
Kauri 0.5-75 mm OD 6-630 mm -
Sanyi birgima ko sanyi ja madaidaicin bututun ƙarfe maras sumul
Kauri 0.5-20 mm OD 6-140 mm -
API 5L Bututun ƙarfe mara nauyi
Kauri 2.1-100 mm OD 13.7-1219.8mm -
ASTM A53/A106 GRB Bututu mara nauyi
Kauri 0.5-75 mm OD 6-630 mm
