... Square Pipes,Steel Plate/ Coil/ Sheet,Hairline Line Finish Steel Tubing,AISI/ ... used in manufacturing of equipment for food,general chemical,nuclear power industries,architecture ... :Eddy Current, Hydrostatic Mechanical, Mechanical Test, Chemical Composition Analysis , ISO Quality Management System Certification ... after received the depositI GradeChemical Composition AnalysisC ≤Si ≤Mn ≤P ≤S ≤Ni ≤Cr ≤Mo ...