Apejuwe kukuru:

Standard: API 5L PSL1, ASTM A53, ASTM A252, SY/T5037, SY/T5040, DIN 30670 Ohun elo: ASTM A252 GR.1-3, SS400, ST37, ST52, Q235, Q345, GR API GR.A, . Ni pato: OD: 219.1mm-2320mm Odi sisanra: 5mm-24mm Itọju oju: Galvanized, 3-LAYERS PE, FBE, lacquering, varnishing