Stainless Steel Sintered Metal Filters

Short Description:

Sintered metal filter is a commonly used filter, powder filters principle is the use of metal powder sintered at high temperature called integrated filter, powder filter has high filtration accuracy and corrosion resistance.

Product Detail

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The production process of sintered metal filter mainly includes the following steps;

1. choose the right metal powder, powder filter usually selected materials are stainless steel, copper, aluminum and other metal powder.

2. Mix the metal powder in proportion and add a certain amount of organic binder, so that it is called a paste with good plasticity.

3. The paste is pressed into a body of a certain shape, usually cylindrical or square.

4. The billet is sintered at high temperature, so that the metal powder is sintered together to form a filter.

The filtration principle of sintered metal filters is to filter the tiny pores formed by the gaps between metal powders. Because the particle size and shape of the metal powder are different, the pore size is also different, so different precision filtration can be achieved. At the same time, the metal oxide layer formed in the sintering process of metal powder can play a certain filtering role and improve the filtration accuracy.


Powder metal filters material is mainly 304, 316 stainless steel, copper-tin alloy, there are also nickel, Monel alloy, acid-resistant nickel alloy, titanium, aluminum and other materials, and currently used in liquid filtration sintered metal filter is mainly 304 stainless steel, 316 stainless steel and Monel alloy.

The sintered metal filters advantages are: strength and fracture toughness, high pressure and high temperature capacity, high thermal shock resistance, corrosion resistance, cleanability, all-welded assembly, long service life.

powder metal filters

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