Type: Seamless Alloy Steel Pipe Material Grade: ASTM A335 P11 Size: 12Inch X 12.5mm X 5800mm Surface Treatment: Acidpickling, etc. Application: Used in Boiler and Heat Exchanger 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.