... fixedUsageLine Pipe,Casing And Tubing,Fluid Pipe, Water Delievery,Heating Pipe,Power Pipe,Structure Pipe,Scaffold,Piling PipeManufacture ProcessesRaw material Test→Uncoiling→Strip leveling →End Cutting→End Shearing and ... Test,Charpy Impact Test,Metallographic ExaminationFinal Product TestHydraulic Test, On-line and off-line Ultrasonic Test,Tensile Test ,Yeild Strength,Elogation,Hardness Test ...