Product name: ASTM A53 GR B Steel pipe Standard: API 5L / ASTM 53 Grade: ASTM A53: GR A, GR B, GR C, GR D Size: 219.1mm 鈥?10mm (8" - 24") 7.0mm-20mm 1M鈥?2M Pipe treatment:anti rust painting on surface of pipes,bevel ends with Pvc caps,marking on pipe according to customer request. Surface treatment: vanish coating as per customer鈥檚 requirement Shipment: container or bulk shipment Package: PVC cloth cover every bundle MTC from lab can be supplied. We also can do welding work acc to customer request drawing. Application: Used for liquid delivery and gas delivery, such as water supply, drainage and oil, gas, vapour, liquefied petroleum gas and natural gas. advantage: Using steel plates, quality of LSAW pipe can be tested by non-destructive procedures. While SSAW pipes using hot-rolled coils should be tested with destructive methods such as x-ray. LSAW pipes adopt welding after molding process where various checks can take place. SSAW pipes employ molding and welding at the same time, pre-checks are not being carried out. FAQ 1.What about the sample testing? We are very glad to send our clients free samples for testing.What you paid only is the freight cost of the products. 2.What about the payment? TT, L/C. 3.What about the shipping? We offer shipping by air, by sea or by express, such as UPS, DHL, Fedex, TNTetc. 4.How about the quality? We have strict QC system, Twice QC lines arranged before delivering We have own lab to test all products chemical and physical elements. 5.What is your price? OEM supplier offering directest Factory price 6. How much will the transportation freight be? The freight is offered depends on the weight & packing size and shipping address and different kinds of shipping method, such as shipping by sea, by air and by express. (We will help you choose a more favorable and safer way of transportation.)Buy Steel Pipe website:http://www.lefintube.com/steel-pipe/