We are factory specializing in the manufacture and export of seamless steel tubes & pipes. 1, Product name:Seamless Steel Pipe; 2, specification : O.D: from 60mm to 133mm; wall thickness: from 5mm to 35mm; 3, Standard: GB/T 8162--1999 &＃12289;ASTM A53&＃12289;ASTM A106&＃12289;DIN1629&＃12289;DIN 17175, JIS&＃12289;BS etc. 4, Grade: GB/T 8162: 10, 20, 35, 45, Q325(16Mn) DIN 1629: ST35, ST45, ST55, ST52, ASTM A53: A, B ASTM A106:A, B, C Other steel grade can be provided after negotiating with customers. Dimension tolerance, Mechanical properties, Chemical composition: Please refer to relevant standard or contact us. Our company has carried out effective quality assurance system and long-term plan to maintain and improve product&＃039;s quality, and expressly, our price is very competitive because we are manufactory, we are the source. Should any of these items be of interest to you, please let us know, We will be happy to give you details.Your inquiry will be highly appreciated and treated.