spiral steel pipe 1.O.D:219mm~3050mm 2.W.T:2.5mm~ ... ,L245,X42,X60,X70,etc 4.Certificate:ISO,SGS Product Spiral steel pipe StandardBS 1387, ASTM A106-2006, API 5L, JIS G3465-2006 ... ,Thailand,South AfriaPackageIn bulk,bundled with steel strip,wrapped with woven bags or be required Contact Tel86-22-26613977Fax86-22-26610650 spiral steel pipe