3. Process method: cold drawn/cold rolled

4. Surface finish: Anneal/pickling;polished 180#,240#'360# ;Bright Annealing
5. Standards: ASTM A790, ASME SA790
6. Size:

   A) NPS: 1/8" to 5"

   B) Length: Max. 20 meters

7. Package: seaworthy wooden cases/steel framed plywood casesor according to customers’ requests.

8. Certificate: ISO9001,--2000；PED ;ABS; CCS; TS2733177--2013
9. Applications: chemical machining, petrochemical industry,  heat exchanger, water treatment, water system, fire fighting system, high-voltage tube,   heat exchanger, underwater installation,  chemical processing industry,