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Tiyo ponpye (Astm A53 Bs1387)
Estanda: GB, JIS, ASTM A53-2007, ASTM A335-2006, BS 1387, BS 1139, BS EN 39, BS EN10219, GB/T 3091-2001, GB/T8162, GB/T8163, JIS2 G30456 G3446-2004,
Dyamèt ekstèn: 21 - 508 mm
Epesè: 1-20 mm
Teknik: san pwoblèm;GRANMOUN
Klas: 20 #, 45 #, A53 (A, B), A106 (B, C), Q235, Q345, Q195, Q215, ST37, ST52, ST35.8, STBA22, 16mn, STPA22, STB35, 10#-45 #, A53-A369, Q195-Q345, ST35-ST52, STBA20-STBA26, 16mn, STPA22-STPA26, STB35-STB42
Tretman andigman: galvanize;pentire wouj;
Kalite: Welded ERW, Welded Steel Pipe; san pwoblèm tiyo asye;
