Type: EFW Alloy Steel Pipe Material Grade: ASTM A691 GR.1 1/4CR CL.22 Size: 16 Inch SCH40 Surface Treatment: Acidpickling, oiled, 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.