2) Process method: cold drawn, cold-rolled

3) Surface finish: annealed / manual polished / mechanical polished

4) Material: DIN1.4401  TP304/TP316L  TP347H UNS 32750 UNS 32760 and so , we also produce other specification according to the customers' requirements.

5) ASTM  DIN/EN  JIS  GB  and so on

6) Size: O.D.: 6mm to 400mm

7) Delivery conditions:black or bright

8) Applied for instrumentation service

9) Bundling: according to the customer's requirements