6023 T4 T6 aluminum bars

Lead-free 6023 alloy aluminum bar, especially free cutting aluminum alloy, is harmless to human body and environment, and belongs to green environmental protection products. In the high-speed machining of CNC machine tools, it has good cutting performance such as fine chip, no connection, no sticking knife, bright surface, etc. it is widely used in the processing and manufacturing of precision screws, the manufacturing of precision valve blocks and special valve blocks in various industrial boilers and control valves, the manufacturing of automobile engine, brake piston of engine main cylinder, connector transmission valve, AC charging valve and parts, etc There are many kinds of pressure parts of hydraulic equipment and electronic industry, and the manufacturing of various precision mechanical parts with good cutting performance and high machining accuracy, which have a broad application prospect.
 

The free cutting aluminum alloy extruded bars and profiles like 6023 alloy aluminum bars are just the ideal raw materials for parts and structural parts with good cutting performance and high machining accuracy required by the machinery manufacturing industry

With the popularization of the use of free cutting aluminum alloy and the expansion of the product range, the free cutting aluminum alloy products have gradually developed into some non sealed spaces that are in contact with human body or natural environment, such as parts of electronic, electrical and other industries.


 

The free cutting aluminum alloy extruded bar and profile specified in this standard are mainly formulated by referring to the order contract or order agreement exported to Europe and the United States and other countries and regions, with high technical requirements, especially: ① there are cutting performance requirements, ② there are high requirements for hydrogen content, which are not specified in the general aluminum alloy extruded bar and profile standards; ③ the dimensional accuracy of profile is up to To the ultra-high precision level of profile size deviation standard in China, the bar size accuracy has reached the highest level of the current bar standard in China; ④ the mechanical properties have fully met the requirements of the order technical agreement for export to Europe, the United States and so on; ⑤ the very strict grain size requirements for low-power structure.

This standard is mainly applicable to free cutting aluminum alloy extruded bars and profiles. The main technical contents include: alloy (6023, 6262a, 6065, etc.); state (T4, T6, etc.); chemical composition; hydrogen content; mechanical properties; cutting performance; macrostructure; microstructure; dimensional deviation; appearance quality; packaging, marking, transportation, storage, etc.
 

At present, there are no national and industrial standards for free cutting 6023 alloy aluminum bar, 6262a and 6065 aluminum alloy extruded bars and profiles in China. It is also unable to meet the national and industrial standards required by the standard. At present, there is no national or industrial standard for free cutting aluminum alloy extruded bars and profiles abroad. The ordering of free cutting aluminum alloy extruded bars and profiles is through contract requirements or special order technical agreement. Its products are mainly used for aluminum copper or aluminum steel products of other industries such as machinery, automobile, etc., such as the processing and manufacturing of precision screws, the manufacturing of precision valve blocks and special valve blocks in various industrial boilers and control valves, the manufacturing of automobile engine, brake piston of engine main cylinder, connector transmission valve, AC charging valve and parts, various hydraulic equipment and pressure parts of electronic industry, etc It is required to manufacture all kinds of precision mechanical parts with good cutting performance and high machining accuracy. Free cutting aluminum alloy extruded bars and profiles are widely used, with good application prospects and huge market potential. In order to meet the needs of China's machinery, automobile and other industries and promote the development of China's industry, it is urgent to formulate the national standard.

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