1) Process method: Cold drawn

2) Surface finish: Annealed, manual polished, mechanical polished

3) Standards:

A) GB/T 14975-2002, GB/T 14976-2002, GB 13296-91

B) ASTM A213, ASTM A312, ASTM A269, JIS G3459, JIS G3463, JIS G3448, DIN17458

4) Steel grade: 304, 304L, 321, 316, 316L, 310S

5) Outside diameter: 6mm - 530mm

6) Wall thickness: 0.8mm - 28mm

7) Mill length: 4m - 13m

8) Special specifications can be customized