Type: Boiler and Heat Exchanger Seamless Tube Material Grade: A210 Grade C Size: 50.8mm X 2.3mm X 7325mm Surface Treatment: Black Painting/Oil Coating, 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.