How to distinguish between national and European standards for 4040 industrial aluminum profiles
Release time:
2021-03-09
4040 industrial aluminum profiles are the most common specifications for industrial aluminum profiles, mainly divided into national standards and European standards. 4040 aluminum profiles are divided into two categories: national standards and European standards
4040 industrial aluminum profiles are the most common specifications for industrial aluminum profiles, mainly divided into national standards and European standards. 4040 aluminum profiles are divided into two categories: national standards and European standards. The groove of the national standard is rectangular, while the groove of the European standard is trapezoidal. The four corners of the national standard industrial aluminum profile are all right angles, while the four corners of the European standard industrial aluminum profile mostly use rounded corners, with a few also using right angles.
Whether it is the national standard or the European standard, the groove of the 4040 industrial aluminum profile is 8mm. The 4040 European standard aluminum profile is connected using 40 series M8T bolts with flange nuts, or 40 series T nuts with internal hexagonal bolts can also be used. T-bolts and flange nuts require gaskets; National standard aluminum profiles only have 40 series square nuts with internal hexagonal bolts for connection, or special 40 series corner groove connectors can be used for connection.
The European standard 4040 industrial aluminum profiles are divided into: 4040W, 4040T, 4040LC, 4040B, 4040GG, 4040EE, 4040LD, and 4040D. The national standard 4040 industrial aluminum profiles include: 4040, 4040A, 4040G, and 4040O.
The main differences between the European and national standards of 4040 industrial aluminum profiles lie in their appearance technology, process usage, unit weight differences, and stress bearing capacity. The difference in appearance technology and craftsmanship is mainly reflected in whether the groove angle tends to be bent, so the overall appearance of European standard profiles will be very exquisite and beautiful. Due to the different application of technical processes, national standard profiles are usually straight at the groove corners, making them appear relatively stiff. The difference in unit weight is due to the standardization of European standards, which makes the model itself more consumable, and therefore the overall structure of unit weight is heavier than that of national standard profiles. The difference in stress bearing capacity is determined by the size of the groove width and the thickness of the product. The European standard is superior to GB profiles in all aspects, so the price will be relatively expensive.
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