1)Size: Seamless: 1/2”-60" SCH10s-XXS 2)Standard: ANSI B16.9/B16.11/B16.28, DIN, JIS, ISO 3)Material:carbon steel:A234-WPB WPC, alloy steel :A420-WPL6, A234-WP11, A234-WP12, A234-WP5,A234-WP9,A234-WP22,15Mo3,15CrMoV,35CrmoV stainless steel:A403 WP 304-304L-304H-304LN-304N A403 WP 316-316L-316H-316LN-316N-316Ti A403 WP 321-321H A403 WP 347-347H low tempture steel: A402 WPL3-WPL6 high performance steel: A860 WPHY 42-46-52-60-55-70 4)Surface treatment: carbon steel: shot blasted, black painting, rust-proof oil,transparent oil, galvanizing,hot galvanizing alloy steel: Shot blasted, black painting, rust-proof oil,transparent oil, galvanizing,hot galvanizing stainless steel: pickled ,Polish 5)Nominal wall thickness:SCH5-SCH160, STD, XS, XXS 6)Packing: Wooden case or wooden pallet according to the size of fittings 7)Delivery time:7-10 days for a 20 ft container 8)Others:1) Special design available 2)All the production process are made under the ISO 9001:2000 strictly. 9)Shipping:by sea, by air or land transportation, Of course, a small amount can also by Express