Takaitaccen Bayani:

Suna: LSAW Karfe Bututu Standard: API 5L PSL1, ASTM A53, ASTM A252, SY/T5037, SY/T5040, DIN 30670 Material: ASTM A252 GR.1-3, SS400, ST37, ST52, Q4535, API. , Ƙayyadaddun GR.B: OD: 219.1mm-2320mm Kaurin bango: 5mm-24mm Jiyya na saman: Galvanized, 3-LAYERS PE, FBE, lacquering, varnishing