Type: BTC Casing Pipe. Material Grade: API 5CT K55. Size: 177.8 x 5.87mm. Surface Treatment: Black Painting/Anti-corrosion Coating. Application: For Water, Oil & Gas. Packing: In Bundles Case or as Your Requirement. Payment Terms: TT/LC, West Union, Paypal and O/A. Delivery Time: 7-25 Days after Receiving the Deposit.