Production Of HG / T20592-2009 WN Flanges Forging Flanges.

Our HG / T20592-2009 WN Flanges is a forged flange, Pressure range, PN2, 5-PN160, Size range DN10-DN2000.HG/T20592-2009 WN Flanges forged flange is an important pressure pipe element, Included into the national special equipment management, Is one of the basic supporting products, HG / T20592-2009 WN Flanges is widely used in petroleum, chemical industry, metallurgy, thermal power, nuke industry, municipal water supply, healing drugs, Health care and other industries, HG / T20592-2009 WN Flanges forged flange products once damaged or failed, Will cause media leakage in the pipeline, Can endanger personal, property and equipment safety, Serious consequences, such as environmental pollution, So we need to understand the main problems of HG / T20592-2009 WN Flanges forging flange: first, HG / T20592-2009 WN Flanges chemical composition is unqualified, Using such HG / T20592-2009 WN Flanges products, The not guarantee the connecting flange and pipe, The second is the stretching of the HG / T20592-2009 WN Flanges, Impact performance does not meet the standard requirements, Some enterprises have a weak sense of quality awareness, HG / T20592-2009 WN Flanges, To stretch the product, Impact performance reduction, Some enterprises have backward production technology, The HG / T20592-2009 WN Flanges forging is not heat treated strictly as required, Or improper heat treatment, Causes the product stretching, Impact performance does not meet the relevant standards, Using such HG / T20592-2009 WN Flanges products, Will reduce the pressure capacity of the flange, Third, the logo of HG / T20592-2009 WN Flanges is unqualified, standard code, Except for the integral-type flange, The outer cylinder surface of each flange (including flange) shall be marked with the manufacturer's name or trademark, Material brand number or code name, Nominal pressure and nominal dimensions, In particular, the nominal pressure, Nominal size and material are the important indicators of pressure pipe design, Is also the right way to buy, Basic guarantee for the installation of welded pressure pipes, But some corporate signs are incomplete, Not even without any signs.