... Pipe ,Pipe of Pipelines Code NO.VarietyNormal Steel GradeStandard NO.1Structure pipe10,20,35,45,Q235 ... high pressure boiler pipe, alloy pipe, marine pipe, hollow sucker rod, oil cracking tube, tubing, American standard ... ,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