ASTM A106 steel pipe specifications Standard: ASTM Steel grade: A106, A53 Gr. A, Gr. B Outer diameter: 114mm-196mm Wall thickness: 6mm-30mm Length: 5.8m-12m Outside: 114mm-196mm End protection: plastic caps on bothe ends Production capacity: 200,000 tons per year Contact person: Ms. Catherine Li Tel:+86-635-2946188 Fax: +86-635-2935599 WEB: http://www.jialongpipe.com