The inspection method of aluminum material and the detection method of aluminum alloy are obtained w

Standard number: JB T 5705-1991

Standard name: Aluminum softening annealing resistance heating furnace Energy consumption classification.

Standard Status: Active.

Date of implementation: July 1, 1992

Promulgating department: State Machinery Industry Bureau.

Brief introduction: This standard stipulates the energy consumption of aluminum softening annealing resistance heating furnace.

This standard is applicable to aluminum softening annealing pit resistance heating furnace (hereinafter referred to as aluminum softening furnace) in mechanical and electronic industry enterprises.

Standard number: BB 0009-1996

Standard name: Aluminum for aerosol cans.

Standard Status: Active.

Date of implementation: 1997-1-1

Promulgating department: China National Packaging Corporation.

Brief introduction: This standard stipulates the classification, requirements, test methods, inspection rules and packaging, marking, transportation and storage of aluminum for spray irrigation.

This standard applies to aluminum for spray irrigation, which is stamped into a round shape.

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1) Oxide film thickness detection method The determination method shall be carried out in accordance with the methods specified in GB T8014 and GB T4957, and the arbitration shall be carried out by GB T8014 and GB T6462 to implement the sampling method: When the number of unqualified products detected in the above table reaches the specified upper limit, double the number of profiles shall be taken for re-inspection, and the number of unqualified products shall not exceed double the upper limit of the allowable number of nonconforming products specified in the above table, otherwise the whole batch will be judged to be unqualified. However, it can be inspected by the supplier one by one, and the qualified one will be delivered.

2) The number of scratches shall be visually inspected on the whole surface, and the whole scratch shall not exceed 2; The number of scratches should not exceed 1, and scratches larger than 1cm are not allowed. According to the table sampling, if a sampling is unqualified, the whole batch will be judged to be unqualified, and no additional sampling will be made. However, it can be inspected by the supplier one by one, and the qualified one will be delivered.

3) Color, color difference according to GB. One-time sampling, if unqualified, no additional sampling. However, it can be inspected by the supplier one by one, and the qualified one will be delivered.

4) Corrosion resistance, wear resistance and weather resistance Refer to the relevant regulations of the national standard GB Photovoltaic modules have higher requirements for corrosion resistance, wear resistance and weather resistance. One-time sampling, if unqualified, no sampling, and the whole batch of unqualified.

We use the workbench as an example, and when the workbench is customized with aluminum profiles, it is bound to use some aluminum accessories to connect. We disassemble the aluminum fittings of a workbench, check whether the incision at the connection is flat, and then check whether the hole type and thread are matched, and whether the hole is too large; Then check whether the angle of the aluminum profile cutting is accurate and whether the length of the cut is within the error range. Through these, we can well test whether the aluminum profile processing technology is qualified or not, whether it is good or not.

If the aluminum processing technology is not good, it will lead to uneven end faces of aluminum profile cutting, or the threaded hole drilled is too large or too small, the depth is not right, etc., it may also be that the cutting accuracy is not enough, resulting in the wrong length of the aluminum profile, increasing the difficulty of installation or not being able to install.

Whether it is a small shelf or a large-scale aluminum profile frame project, industrial aluminum profile products have strict consideration for aluminum profile processing technology.

(al) = m(al) m (total) i.e.

Mass fraction of aluminum = mass of aluminum alloy mass.