1. Specification:8-200mm 2. Standard:GB/T 2965 GB/T 13810 3. ASTM B348,ec 1.OD:4mm-300mm2.length up to 9000mm3.package:seaworthy wooden case or as request4.application:chemical processing,medical equipment,mechnical industry ,military,aerospace,petrochemical engineering ,metallury,sports,electroplating and so on.5.Customized bars and rods are avaliable.