Gnee Steel (Tianjin) Co., Ltd. is one of the most reliable manufacturers and suppliers of aluminum flat bars with rounded edges in China. With abundant experience, we warmly welcome you to wholesale high quality aluminum flat bars with rounded edges in stock here from our factory. Good service and reasonable price are available.
The mining of Aluminum flat bars with rounded edges is a complex process that requires multiple processes to finally obtain the finished product. The following are the general steps for aluminum flat bar mining:
1. Pretreatment: First, the ore needs to be pretreated before mining. This process includes steps such as crushing, grinding and screening to reduce the ore into particle sizes suitable for subsequent processing.
2. Refining bauxite: The main raw material of aluminum flat rods is bauxite, so bauxite needs to be refined during the mining process. The process of refining bauxite mainly includes steps such as carbonation, calcination and acid leaching, and finally aluminum oxide is obtained.
1. A horizontal extrusion process for aluminum flat tubes, which is characterized by including the following steps:
|
Item |
Aluminum bar, aluminum flat bar. |
| Standard | ASTM, JIS, SUS, DIN, GB, EN, etc. |
| Material |
1060,1200,1100,2024,2124,3003,3004,5050,5083, 5154,5454,5652,5086,5056,5754,6061,6062,6063,7075, etc. |
| Diameter |
Length:5-500mm Width:5-500mm Length:1m-4m or as required. |
(1) Raw materials: Clean the raw material bars, and then put the raw material bars into an electric furnace for heating. The heating temperature is 530~540°C and the heating time is 4~5 hours;
(2) Mold: Put the mold and mold sleeve into the heating furnace for heating, and then put the mold into the mold sleeve. The mold heating temperature is 500~510°C and heated for 2 to 3 hours. The mold sleeve heating temperature is 380~420°C. 1 to 2 hours;
(3) Extrusion: Put the mold set equipped with the mold into the extruder respectively, put the raw material bar into the extrusion cylinder, squeeze the raw material bar into the mold to form a flat tube, the temperature of the extrusion cylinder is 420~430℃ , the extrusion speed is 210~230mpa;
(4) Zinc spraying and cooling: Spray a zinc layer on the surface of the flat tube, and then quickly cool it through cooling water;
(5) Take-up: Roll up the flat tube into a disc-shaped flat tube.
GNEE aluminum, with 15 years of experience in aluminum coil production, is the leader in the global aluminum production industry. Our products have won the favor of more than 70 countries and regions including the United States and the European Union with excellent service and high quality.
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