... Pipe ,Pipe of Pipelines Code NO.VarietyNormal Steel GradeStandard NO.1Structure pipe10,20,35,45,Q235 ... API 5CT11Line pipeB,X42,X52API 5LCertified by seven classification societies, i.e. CCS (China), LR (UK), DNV (Norway ... ,000 tons. The Strong Eagle series seamless steel tube has been awarded with the Household Name ... 80,000mt all kinds of seamless pipes (approx. 4000 sorts). seamless steel pipes