Cross post material due to its main planks are, therefore before the main assembly and welding materials and components to note puzzle preheat to prevent weld defects. Cross column material selection and management: Welding paid by someone to cross post processing, and make payment records; engineering requirements should receive qualified welders welding consumables from the warehouse, to receive the electrodes must be placed insulation barrel Buying Cross column, with the used with the check. Cross post material due to its main planks are, therefore before the main assembly and welding materials and components puzzle Cross column price to pay attention to preheat to prevent weld defects. Cross Column Processing: cutting. H-beam mill scale must be welded metal surface grinding machine with a front wheel assembly clean and shall remove the welding site and its vicinity within 50mm ~ 80mm wide scale, slag skin, moisture, oil, rust and burrs and other impurities affect weld quality, revealing a metallic luster. Non-random hand-cut. Cross post processing, cross-pillar, Prudential Steel provided by Prudential Steel Works Ltd., Henan. Henan Prudential Steel Works Ltd. (www.ayhfgc.com) strong, credible, and other industries in other Anyang accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Prudential Steel and you hand into the brilliant, for a better future!