China pre galvanized piping factory Product Description We are a leading name in manufacturing and exporting of Pre Galvanized Steel Tubes. Customization of our products is also done as per customers” requirements. Application: Used for transporting low pressure liquid, gas and heating. Specification: OD: 21.3mm ~ 610mm WT: 0.5mm ~ 20mm LE...

In general, steel frames, available in many forms for intended purposes other than greenhouse building, can be adapted to many shapes and sizes of greenhouses. Black steel pipe as one common member of structural steel materials has been widely used in greenhouse projects for many years due to its strength and stability in use. Furthermore, black...

China gi hollow pipe supplier and manufacturer 1) Thickness :0.5-20mm 2) Size(dia.) :10mm*20mm/15mm*15mm-200mm*400mm/300mm*300mm 3) material :Q195 Q235 Q215 Q345 St37 ASTM A500 4) Certifications :ISO9001-2000, API-5L 5) Standard :ASTM BS GB API Application： Mechanical & manufacture, Steel structure, Shipbuilding, Bridging ,Automobile chassi...

china hollow Square and rectangular pipe suppliers We supply high quality ERW welded steel pipe,including pipe made of MS hot rolled steel strips and annealed steel strips,which are widely used in furniture,fencing,handrail,and construction purpose. The G.I pipe we supplied is made of hot dipped galvanized steel strips with zinc coating from40-1...

According to the statistics, about 45% of the coatings are used to decorate and/or protect industrial products (called “product finishes”). There are two common methods to prevent corrosion from steel metals: cathodic protection or barrier (blocking the electrolyte from the surface by using a paint system). For steel pipe manufacture...