Welded Carbon Steel Pipe Description: Type: ERW Steel Pipe Standard: API 5L DIN30670 Material Grade:API 5L X42 Size:4In Dia 0.237In WT End Type:Plain End Surface Treatment: 3LPE Application: For Water, Oil & Gas, etc Packing: In Bundles with Steel Strips or as Your Requirements Payment Terms: TT/LC,West Union,Paypal and O/A. Delivery Time:7-25 Days after Receiving the Deposit.