Diameter 219mm-2220mm Thickness 6mm-20mm Material A/ B/ A53/ Q345/ L245-L485/ X42-X70/ J55/ K55/ N80/ H40/ P110 etc Standard API 5L/ API 5CT/ ASTM A53 / A252 / A500/ BS1387 GB/ T 9711.1-9711.2, SY/ T5037-2000 Treatment Ends plain or beveled / 2PE/ 3PE/ Epoxy powder/ Varnish coating/ black paint Package Ends with caps or not / Bulk / Bundled Application 1) Petroleum Pipelines 2) Natural Gas Pipelines 3) Coal Gas Pipelines 4) Water Supply Pipelines 5) Drainage Water Pipelines 6) Heat Supply Network Pipelines 7) Pressurized Air Pipelines 8) Common Gas Pipelines 9) Construction Foundation Piles 10) Steel Structure Building and Bridges 11) Airports, Seaports and Docks etc. Baosteel Goods in stock Tianjin Sanjuyuan Trade Co., Ltd Tianyang Building, Beichen District, Tianjin, China Sanjuyuantrade at gmail.com Skype: sanjuyuan1