ERW Steel Petroleum Line Pipes Product categories:ERW Steel Pipe 1.Product display:API 5CT Casing Pipe,API 5L Oil Casing,ERW Casing,Longitudinal Seam-welded Pipe,High Frequency Welded Pipe,Water Well Tube 2.Product Description:API 5L Oil Casing, ERW Casing, Longitudinal Seam-welded Pipe, High Frequency Welded Pipe, Water Well Tube 3. Material Steel Grade J55, K55,N80,L80(13Cr),etc. 4. Manufacturing Standards: API SPEC 5CT and API SPEC 5B and ISO 11960,etc. 5.Corrosion Protection and Packaging: painting, internal and external anti-corrosion coating, steel banding, waterproof bag packing and so on, as required by customers. 6.Main Purpose: oilfield exploitation, drilling, water well construction,etc. Contact us EZ steel pipe industrial Co.,Ltd Address:Hunan,China Attn :Miss Aimer E-mail: aimer /at/ ezsteelpipe. com Tel: 086-0731-8535 8825 Fax: 086-0731-8535 8825 Website: http://www. ezsteelpipe.com If you want to know more information,please contact me freely. Looking forward to receaving your specified inquiries