Guoqiang Guoqiang galvanized pipe galvanized pipe agents [agents] Guoqiang product information agents www.wxplck.com/products-detail.asp?cpid=6 Guoqiang galvanized pipe galvanized pipe Guoqiang galvanized Product Info Material: 304 Warehouse: Jiangsu Name: galvanized pipe Origin / Manufacturer: Guoqiang Specifications: 50 * 60 * 5 (mm) Guoqiang galvanized pipe agents www.wxplck.com/products-detail.asp?cpid = 6 Guoqiang technical requirements of a galvanized pipe, galvanized steel grades and chemical composition of steel grades and chemical composition shall conform to GB 3092 under the clarinet steel grades and chemical composition. 2, a manufacturing method clarinet (furnace brazed or welded) selected by the manufacturer. Galvanized hot dip galvanizing method. 3, threaded fittings and threaded delivery 3.1 galvanized steel, thread should be galvanized after car system. YB 822 threads shall comply with the provisions of. 3.2 steel pipe fittings shall comply with the provisions of YB 238; malleable iron pipe fittings shall comply with the provisions of YB 230. 4, in front of the mechanical properties of galvanized steel shall conform to the mechanical properties of GB 3092. 5, the uniformity of galvanized steel galvanized zinc coating layer should be uniformity test. * Copper pipe sample solution impregnated five times in a row may not turn red (copper color). 6, cold bend test is not more than 50mm nominal diameter galvanized pipe should be cold bend test. Bending angle is 90 °, bending radius of 8 times the outer diameter. Without filling the test, the sample should be placed outside of the weld or the upper bending direction. After the test, the sample should not have cracks and peeling of the zinc layer with like. 7, hydrostatic testing hydrostatic test shall be carried out in clarinet, eddy current testing can also be used instead of the hydrostatic test. Test pressure or eddy current testing comparing the sample size should be consistent with the provisions of GB 3092. For more detailed product information please click: Liansu www.wxplck.com PVC junction box www.wxplck.com/products-detail.asp?cpid=40 reducer www.nicsonline.com/offer--1455.html