Type: Carbon Seamless Pipe Standard and Material: ASTM A106 GRADE B ASME B36.10 Size: 4Inch SCH STD 20 FT Surface Treatment: Black Painting/Galvanized/Anti – Corrosion Coating, etc Application: For Water, Oil & Gas, etc Packing: In Bundles Case or as Your Requirement. Payment Terms: TT/LC, West Union, Paypal and O/A. Delivery Time: 7-25 Days after Received the Deposit.