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Common curtain wall profile, common doorwindow profile, industrial profile must be agedthe same aging furnace. The temperaturethe furnace shall be controlled within 195 ℃± 5 ℃. After reaching the temperature, the furnace shall be insulated for 3 hours,then the fan shall be opened immediately for cooling for 20 minutes,the hardness shall be inspected by the quality inspector.
In the process of daily consumption, people have such a consumption concept: the higher the price of goods, the better the quantity, the better the more materials, because the more sufficient the materials, the higher the corresponding price, the better the quality.
In order to obtain a good aging strengthening effect, under the condition of no overheating, overburninggrain growth, the quenching heating temperature should be higher,the holding time should be longer, which is conducive to obtain a uniform solid solution with higher supersaturation;addition, the second phase can not be separated out during quenchingcooling, otherwise it will cause local uneven precipitationreduce the aging strengthening effect.
Common curtain wall profile, common doorwindow profile, industrial profile must be agedthe same aging furnace. The temperaturethe furnace shall be controlled within 195 ℃± 5 ℃. After reaching the temperature, the furnace shall be insulated for 3 hours,then the fan shall be opened immediately for cooling for 20 minutes,the hardness shall be inspected by the quality inspector.
Data released recently show a stable recoverythe US economy. In terms of employment, the number of new non-agricultural employmentOctober was 161000, slightly less than expected. But wages rose better than expected,unemployment fell. After the beautiful US economic datathe hawkish speech of Fed officials, the US federal funds rate futures indicated that the probability of the Fed raising interest ratesDecember rose to 94. At 3 a.m.November 24, Beijing time
Many customers are very concerned when purchasing aluminum. The hardness is directly related to the chemical composition of the alloy. Secondly, different states also have a great influencethe hardness. From the point of view of the hardness that can be achieved, 7-series, 2-Series, 4-series, 6-series, 5-series, 3-Series1-series decreaseturn.