Type: Blind RF Flange Material and Grade: ASTM A182M-F316 ASME-B16.5 Manufacture Method: Forged Size: 18 INCH CL900 RF Surface Treatment: Oiled, etc. Independence Inspection: Chemical Test, Mechanical Test. Application: For Pipe Connection, etc. Packing: Pallet/In Bundles/Wooden Case with Steel Strips or as Your Requirement. Payment Terms: TT/LC, West Union, Paypal and O/A. Delivery Time: 7-25 Days after Receiving the Deposit.