We can supply steel tubes and pipes with competitive price, high and ... TemperedInspections and tests performedChemical Composition Inspction,Mechanical Properties Test(Tensile Strength,Yield Strength,Elongation,Flaring,Flattening,Bending, ... Hardness,Impact Test),Surface and Dimension Test,Non-destructive Test,Hydrostatice Test.Surface treatment:Oil,varnish,passivation, ...