... GB, ASTM, API 5L, API 5CT,DIN, JIS and so on Out Diameter8mm-400mm (1/4''-16'') Wall Thickness 1mm-30mm ... ,12Cr1MoV,Q235, ST42,ST52,A106-a,A106-b, and so on Length 6-12m. As customers requirements. Place of Origin Wuxi ... . 2. Marking: as per customer's requests. 3. Painting varnish coating on the pipe. 4. Plastic caps at ends. Delivery Time 15 ...