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National standard aluminum and non-standard difference
Dec 27, 2017

National standard aluminum is the country's products from the official requirements and indices, parameters, hardness and other technical requirements

For example, national standard aluminum 3MM thick aluminum before the national standard is 2.70-2.75 between the current major national standard is 2.80-2.85

Not the national standard is not the same, such as aluminum 3MM thickness, non-GB can be produced according to customer specified thickness, can be made of 3.0 thick can also be made into 2.6 thin

So this is based on customer requirements

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