Type: Carbon Seamless Pipe. Material Grade: ASTM A519 SAE 4130. Size: 50.8mm x 10mm. Surface Treatment: Black Painting/Oiled/Anti-corrosion. Application: For Mechanical. Packing: In Bundles or as Your Requirements. Payment Terms: TT/LC, West Union, Paypal and O/A. Delivery Time: 7-25 Days after Receiving the Deposit.