Analysis of export situation of Chinese aluminum alloy wheel in September 2017 In September 2017, the export value of China's aluminum alloy wheels was 376 million US dollars, an increase of 9.6% compared with the same period, with an export volume of 82 thousand and 400 tons, an increase of...
2A12 is a kind of high strength aluminum alloy, heat treatment can be strengthened, annealing, quenching and heat under the condition of rigid plasticity, good welding, gas welding and argon arc welding has the tendency of intergranular crack formation; alloy hardening in quenching and cold cutting performance is good and bad in annealing state when. The corrosion resistance is not high, in order to improve the corrosion resistance of anodic oxidation treatment and often used methods of paint or aluminum surface layer.
Name:2A12 aluminum rod
Definition:of a kind of high strength hard aluminium
Disadvantages:corrosion resistance is not high
Composition: silicon, copper, magnesium, zinc and so on
Heavy forgings, heavy plates and extrusion materials etc.
Si = 0.50
Cu:3.8 ~ 4.9
Mg:1.2 ~ 1.8
Zn = 0.30
Mn:0.30 ~ 0.9
Ti = 0.15
Ni = 0.10
Fe:0.000 ~ 0.500
Fe+Ni:0.000 ~ 0.500
It is applied to occasions requiring high strength and hardness (including high temperature). Heavy forgings, heavy plates and extrusion materials are used for aircraft structural parts, multi-stage rocket primary fuel tanks and spacecraft parts, wheels, truck frames and suspension parts.
2024 of the alloy element is copper, known as "hard aluminum", with high strength and good machinability, but poor corrosion resistance.
Product detailed photos
Aluminum hex bar
Aluminum round bar
Aluminum square bar
2017-10-26 China Customs data show that in September this year, China imported about 2 million 830 thousand tons of Australian bauxite, an increase of 22.7% qoq. In September, Australia overtook Guinea to become the largest source of bauxite in china. In the first three quarters, Australia exported about 18 million 750 thousand tons of bauxite to China, an increase of about 20% over the same period. In addition to the Shandong alumina plant, in recent two months, some alumina plants in Henan began to use the Australian water bauxite. Affected by the tight domestic ore supply, some of the alumina plants in Shanxi are also exploring the Australian water bauxite.
Data show that in September China imported a total of about 6 million 540 thousand tons of bauxite, a slight drop of 0.2% qoq. Import volume totaled about 51 million 150 thousand tons in the first three quarters, an increase of 35.86% over the same period.
In September, Guinea exported about 2 million 460 thousand tons of bauxite to China, a decline of 11.6%. In the same month, China imported 370 thousand tons of bauxite from Brazil, a decrease of 30% in the chain, 290 thousand tons of bauxite imported from Indonesia, 196% higher than the previous month.
Due to the impact of the rainy season in Guinea, the supply of bauxite in Guinea decreased in September, but it is expected to gradually recover in October. In September, Brazil affected by drought and water shortage, bauxite washing affected, output fell, and in October the supply will continue to decrease. There have been 4 miners in West Asia, India, with a total of about 10 million tons of bauxite export quotas, and the bauxite market is expected to continue to increase.
In September, China's demand for bauxite in the Solomon islands continued to increase because of its low silicon content, which could effectively reduce the alkali consumption. It is reported that more enterprises have begun to explore the Solomon islands bauxite investment and development. In the same month, China imported about 160 thousand tons of Solomon islands bauxite, an increase of 5.1%.
With the gradual end of the rainy season in India, China imported about 100 thousand tons of bauxite in India in September, an increase of 91.8%.
9 months, Kuantan is still not open bauxite exports, Chinese imports of about 7.5 million tons of bauxite from each state, a decrease of 86.3%. It is reported that Kuantan is expected to resume in early 11 bauxite exports.
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