ã€China Aluminum Network】 a) Casting of aluminum rods Casting includes melting, purification, impurity removal, degassing, slag removal and casting. The main process is: (1) Ingredients: According to the specific winning prizes required for production, the amount of various alloy components added is calculated and properly matched with various raw materials. (2) Smelting: The prepared raw materials are added into the smelting furnace according to the process requirements to be melted, and the impurities and gases in the melt are effectively removed through degassing and deslagging refining means. (3) Casting: The smelted aluminum liquid is cooled and cast into a variety of round casting rods through a deep well casting system under certain casting process conditions. b) Classification of aluminum rods 1, according to the content of alloy elements different aluminum sheet can be divided into: 1 × × × Department of industrial pure aluminum Al), 2 × × Department of aluminum and copper alloy aluminum (Al - Cu), 3 × × × Department of manganese aluminum Aluminum alloy sheet (Al--Mn), 4××× is aluminum-silicon alloy aluminum sheet (Al--Si), 5××× is aluminum-magnesium alloy aluminum sheet (Al--Mg), and 6××× is aluminum. Magnesium-silicon alloy aluminum sheet (AL--Mg--Si), 7××× is aluminum-zinc alloy aluminum sheet [AL--Zn--Mg--(Cu)], and 8××× is aluminum and other elements. In general, each series must also have three digits. Each digit must have a number or letter. The meaning is: the second digit indicates the number of controlled impurities; the third and fourth digits indicate the percentage of pure aluminum and aluminum after the decimal point. Low content. 2, according to the shape can be divided into: round aluminum rod, square aluminum rod, hexagonal aluminum rod, trapezoidal aluminum rod and so on.
A flange can also be a plate or ring to form
a rim at the end of a pipe when fastened to the pipe. A blind flange is a plate
for covering or closing the end of a pipe. A flange joint is a connection of
pipes, where the connecting pieces have flanges by which the parts are bolted
together.
Although the word flange generally refers to
the actual raised rim or lip of a fitting, many flanged plumbing fittings are
themselves known as 'flanges':
There are many
different flange standards to be found worldwide. To allow easy functionality
and interchangeability, these are designed to have standardised dimensions.
Common world standards include ASA/ASME (USA), PN/DIN (European), BS10
(British/Australian), and JIS/KS (Japanese/Korean). In the USA, ANSI stopped
publishing B16.5 in 1996, and the standard is ASME B16.5
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What is Aluminum Honeycomb