Xiamen Xu Gang Steel Engineering Co., Ltd. is a production of steel structure design, production, installation in one of the high level of train service companies Shaowu steel corridor company, the company covers an area of ??1,500 square meters, the annual production, installation capacity of 80 million square meters, supporting the construction of the project on several occasions to participate in major highways, bridges and other steel corridor Jianyang installed in the industry establish a good reputation, praised by users. 7. Rain, snow should stop welding, weld around and above the member should wind, canopy, wind speed greater than 5m / s should stop welding. When the ambient temperature is below zero, it should be required to take the warm-up and post-heating measures construction. 8. Carbon steel welds should be cooled to ambient temperature, low-alloy structural steel should after completion of 24h, carry out inspection of welds. 9. Welders and inspectors to fill job log table. Xiamen Xu Gang Steel Engineering Co., Ltd. is a production of steel structure design, production, installation in one of the high level of one-stop services company, covers an area of ??1500 square meters, the annual production capacity of 800,000 square meters installed more than once He has participated in supporting the construction of highways, bridges and other major projects in the industry establish a good reputation, praised by users. 1. Check the bevel angle before welding, blunt edge, gap and export volume was wrong, on both sides of the inner groove and rust, oil, iron oxide, etc. should be cleaned. 2. Preheating. Before welding, gas welding or special roast gun in the groove of the base material and both sides of the 100mm-wide uniform heating, and with a surface thermometer to measure the temperature, to prevent the surface temperature does not meet the requirements or local oxidation Corridor Nanping price of steel, pre- hot temperature. 3. Recheck preheat temperature, as temperature is not enough to be re-heated to make it meet the requirements. Jianyang steel corridor installation, steel corridor Quanzhou, Xiamen and steel manufacturers to provide corridor Xiamen Xu Gang Steel Engineering Limited. Xiamen Xu Gang Steel Engineering Co., Ltd. (www.xusteelchina.com) strong, credible, in Xiamen, Fujian steel industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Xiamen Xu Gang Steel Engineering Limited and you hand in hand into the brilliant, for a better future!