DIN 2458 carbon steel welded pipe : Size: 1/2"-48" Thickness: SCH10-SCH160,SGP ... ,ANSI,JIS,EN DIN 2458 carbon steel welded pipe with good quality :High quality,low price,multi-standardCertificate:ISO9001:2000, ... SAW.and so on.Structure type: seamless pipe,straight steel pipe,square pipe,spiral pipe ,and so on.Deaign and manufacture std ... inquiry and questions. DIN 2458 carbon steel welded pipe seamless