... ,ASTM A213,ASTM A519,ASTM A333,ASTM A334,JIS G3445,JIS G3454,JIS G3455,JIS G3456,JIS G2461,DIN 1629,DIN 1630,DIN2440, DIN2448,DIN ... 2006Size1/2'-24'Length6m or 12m or according to customer's requirementsWall thicknessSCH10-SCHXXSMaterialStandardAPI 5CT ,API 5L,ASTM A53, ASTM ... ASTM A213,ASTM A519,ASTM A333,ASTM A334,JIS G3445,JIS G3454,JIS G3455,JIS G3456,JIS G2461,DIN 1629,DIN 1630,DIN2440, DIN2448,DIN ...