Type: Alloy Steel SMLS Pipe Material Grade: ASTM A335 Gr.P11 Size: 4INCH SCH80 Surface Treatment: Acid Pickling,Oiled Application: Used in Boiler and Heat Exchanger. Packing: In Bundleswith Steel Strips or as Your Requirement. Payment Terms: TT/LC, West Union, Paypal and O/A. Delivery Time: 7-25 Days after Received the Deposit.