لوله فولادی ASTM A53 SSAW
لوله فولادی ASTM A53 SSAW - چین لوله فولادی ASTM A53 SSAW. ... Scope1.1 This specification covers seamless and welded black and hot-dipped galvanized steel pipe in NPS 1/8 to NPS 26 [DN 6 to DN 650] (Note 1), inclusive, with nominal wall thickness (Note 2) as given in and Table X2.2 and Table X2.3. ... لوله تولید ...