Extrusion temperature is too high. (See analysis of technological aspects of) the quality and composition 5. Process 1 / rod casting rod aspects prone to internal defects in the (difficult deformation zone) weld hollow sections. Mg, Si, and high total Fe content is too high will exacerbate bad welding, it is recommended Mg, Si 0.7% of the total in the range of -0.9% aluminum cover panel factory in Jinan, Fe content of less than 0.15% get better weld quality. Aluminum pipe welding methods: Almost all kinds of welding methods can be used for welding aluminum and aluminum alloy cover panel manufacturer specializing in the production of aluminum, but aluminum and aluminum adaptability to different kinds of welding methods, various welding methods have their respective applications. Gas welding and arc welding methods, equipment is simple, easy to operate. Welding can be used for less demanding welding quality aluminum sheet and welding castings. SMAW welding can be used for aluminum castings. Inert gas welding (TIG or MIG) is the most widely used method of aluminum and aluminum welding methods. Aluminum and aluminum alloy sheet can be tungsten or tungsten AC TIG pulse welding. Aluminum and aluminum alloy plate can be tungsten arc welding of helium, argon, helium mixed gas tungsten arc welding, MIG welding, pulsed MIG welding. Shandong Aluminum cover panel prices, rolls Aluminum (certified), aluminum cover panel is provided by Jinan Heshun Aluminium Limited. Jinan Heshun Aluminum Co. (www.jnhsly.com) Shandong Jinan, aluminum products leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Aluminum leadership in cis with the staff warmly welcome all inquiries negotiations to create a better future for aluminum rolls.