Standar: Astm A182, astm sa182 Diménsi: Asme 16.11 Ukuran: 1/4 "NB ka 4" NB Kelas: 2000lbs, 3000lbs, 6000lbs, 9000lbs Formulir: Ngurangan cross, cross anu teu jelas, salib, meungkeut salib Ketik: Setrukeweld Fittings & screwed