Porous Metal Sheet

Main Features of Porous Metal Plate:

The main features of porous metal sheets include:

1.High Durability:

Porous metal sheets are made from robust materials like stainless steel, titanium, or nickel alloys,

providing excellent mechanical strength and resistance to corrosion, wear, and high temperatures. 

2.Precise Filtration Control:

The controlled pore size and uniform distribution allow for precise filtration, offering consistent

performance across a wide range of applications.

3.Customizable Porosity:

Porous metal sheets can be customized in terms of pore size, shape,

and distribution, providing flexibility to meet specific filtration or flow requirements.

4.High Permeability:

Despite their strength, porous metal sheets allow for high permeability, ensuring

efficient flow rates for gases and liquids while maintaining filtration efficiency.

5.Chemical Compatibility:

These sheets are compatible with a wide range of chemicals, making them

ideal for use in harsh environments, including chemical processing and pharmaceutical industries.

6.Heat and Pressure Resistance:

The materials used in porous metal sheets can withstand extreme

temperatures and pressures, ensuring stability and reliability in demanding applications.

7.Low Maintenance and Long Lifespan:

Porous metal sheets are highly durable and resistant to clogging,

reducing the need for frequent maintenance and replacement, thus extending their service life.

8.Thermal and Electrical Conductivity:

In addition to filtration, porous metal sheets can also serve as thermal

and electrical conductors, broadening their application range.

These features make porous metal sheets ideal for applications in filtration, flow control, catalyst supports,

and separation processes in a variety of industries, such as aerospace, chemical processing, pharmaceuticals,

and environmental engineering.

 Types of Porous Metal Sheet ? 

Actually there are two main types of porous metal sheets you can find

in the porous metal sheet market :

1. Sintered metal sheets: 

These are made by compacting and sintering metal powders. The pores in these sheets are typically

interconnected and can vary in size and shape. Sintered metal sheets are often used in applications

where high strength and good filtration are required, such as in filters, heat exchangers, and sound dampeners.

Sintered metal sheet 

 

2. Metal Foams: 

Metal foams are made by introducing gas bubbles into a molten metal and allowing it to solidify.

The pores in these sheets are typically closed-cell, meaning they are not interconnected. Metal foams are

often used in applications where lightweight and high strength are required, such as in aerospace and

automotive applications.

Here are some other types of porous metal sheets:

1. Woven wire mesh: 

This type of mesh is made by weaving together thin wires. The pore size in woven wire mesh

can be controlled by the size of the wires and the weaving pattern. Woven wire mesh is often

used in applications where filtration and good flow properties are required, such as in screens and filters.

Woven wire mesh

 

2. Expanded metal: 

This type of sheet is made by slitting a solid sheet of metal in a specific pattern and then stretching it.

The pores in expanded metal are typically elongated and diamond-shaped. Expanded metal is often

used in applications where light weight and good strength are required, such as in safety guards and walkways.

Application of  Sintered Porous Metal Sheet

* Harsh Chemical Environments: 

FAQ 

1. What is a porous metal sheet, and how is it made?

A porous metal sheet is a type of material characterized by its permeable structure, made up of

interconnected pores or voids throughout its mass. These sheets are primarily produced through

a process known as sintering. Sintering involves compacting metal powder in a mold and then heating

it below its melting point. This heat treatment causes the metal particles to bond together without liquefying,

creating a solid structure with precisely controlled porosity.

The process allows for the manufacturing of sheets with varying pore sizes, shapes, and distribution,

tailored to specific applications. Sintered stainless steel sheets, for example, are widely used due to

their excellent mechanical properties, resistance to corrosion, and thermal stability.

2. What are the main applications of sintered stainless steel sheets?

Sintered stainless steel sheets are utilized in a wide range of applications due to their versatility and durability.

Some of the key applications include:

* Filtration:

Used in both gas and liquid filtration systems, they effectively remove particulate matter

due to their precise pore size.

* Sparging and Diffusion:

Ideal for gas-liquid reactions, aeration, and in brewing processes, where controlled

bubble size is crucial.

* Fluidization:

Employed in fluidized beds for various chemical processes, aiding in the even distribution

of gases through liquids or powders.

* Sensor Protection:

Shields sensitive components in harsh environments, preventing contamination

while allowing necessary environmental interactions.

* Catalyst Recovery and Support:

Provides an excellent platform for catalyst materials, facilitating

chemical reactions while allowing for easy recovery of precious catalysts.

3. How do you determine the appropriate pore size for a specific application?

Determining the appropriate pore size for a specific application involves considering

several factors, including the nature of the fluids or gases being processed, the types of

particles or contaminants to be removed, and the desired flow rate. For filtration applications,

the pore size is typically chosen to be slightly smaller than the smallest particle that needs

to be filtered out. In applications involving gas diffusion or sparging, the pore size affects the

size of the bubbles produced, which can significantly impact the efficiency of the process.

Consulting with porous metal sheet manufacturers like HENGKO can provide insights based on

extensive experience and technical expertise, ensuring the selection of an optimal pore size

for any given application.

4. What advantages do sintered stainless steel sheets offer over other materials?

Sintered stainless steel sheets offer several advantages over other materials, making them a

preferred choice for many industrial applications:

* Durability:

  Their high strength and resistance to wear and tear ensure long service life under challenging conditions.

* Corrosion Resistance:

  Stainless steel's inherent corrosion resistance is ideal for use in harsh chemical environments or

where exposure to corrosive elements is common.

* High-Temperature Stability:

   They can withstand high temperatures without degrading, making them suitable for use in heat exchangers,

high-temperature filters, and other applications requiring thermal stability.

* Chemical Compatibility:

  Stainless steel is compatible with a wide range of chemicals, reducing the risk of material degradation

and contamination.

* Cleanability and Sterilizability:

  Their smooth, non-porous surfaces can be easily cleaned and sterilized, crucial in pharmaceutical

and food and beverage applications.

5. Can sintered stainless steel sheets be customized for unique applications?

Yes, sintered stainless steel sheets can be extensively customized to meet unique application requirements.

Customization can include variations in pore size, thickness, sheet size, and shape, as well as the inclusion

of specific alloying elements to enhance particular properties such as conductivity or heat resistance.

Manufacturers like HENGKO specialize in working closely with clients to design and produce bespoke porous metal

solutions that precisely meet the specifications and performance criteria required for their applications.

This level of customization ensures that the final product can perform optimally in its intended environment,

whether it involves unique filtration needs, specialized chemical processing, or any other industry-specific application.

Contact HENGKO 

Ready to elevate your industrial application with bespoke porous metal solutions?

Reach out to us at ka@hengko.com and let's turn your challenges into successes.