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Question:

The difference between light steel keel and aluminum alloy keel

Light steel keel and aluminum alloy keel the difference is the difference between material or specifications? I mean! What are their materials! I am a beginner, not clear!

Answer:

Heroes, of course, is the difference between the material; suggest you use aluminum alloy keel.
Light steel keel hard, aluminum keel light, good toughness
Material and specifications are different, light steel keel is generally used to ceiling and partition, aluminum keel is also used to ceiling, mainly for mineral wool board, embossed gypsum board and other ceiling
Simply said Light steel keel is made of iron Aluminum alloy keel is made of aluminum Light steel keel is generally U or C type Most of the aluminum keel is T-shaped. But there is a kind of paint keel is made of metal. Also T-type. But relatively soft. It is best to find some samples to see.

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