... .High production ability ASTM/ASME A/SA213 tube Certificate:ISO9001, API, Out diameter:13.7-219.1mm, Wall thickness:1.65 ... : 24m.Our main products' summary1) Cold drawn carbon seamless steel tube2) Certificate: ISO9001-2000, API,3) Standard: ASTM A210, ASTM-A192, ASTM ... /P5/P23), ASTM-A519, ASTM-A106, ASTM-A53, ASTM-A179, API 5L , API 5CT, EN-10216, BS-3059, DIN17175, DIN 2440, DIN2448 ...