Product description
Porous metal tubes for filtration, diffusion and controlled flow
Porous metal tubes are precision-manufactured cylindrical components formed from sintered metal powders to produce a rugged, interconnected porous structure. These tubes enable uniform fluid and gas flow, precise particle retention, and consistent performance in critical industrial, analytical and OEM systems.
Porous metal tubes can be fabricated from a wide selection of high-performance alloys including 316L stainless steel, 904L stainless steel, Nickel 200, Monel 400, Inconel 600, Hastelloy C-276, Hastelloy C-22 and Hastelloy X. The choice of material depends on operating conditions such as chemical environment, temperature and pressure requirements.
Filtration and flow principle
Porous metal tubes operate using depth filtration and controlled permeability through a uniform network of pores. Process media passes across the tube walls, where particles are retained based on pore size while maintaining low pressure drop and stable flow.
This sintered structure provides:
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precise and repeatable filtration
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uniform distribution of fluid or gas
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low differential pressure impact
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mechanical stability under operational loads
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high thermal and corrosion resistance
Material options
Porous metal tubes are available in the following alloys to meet application needs:
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316L Stainless Steel – general industrial corrosion resistance
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904L Stainless Steel – enhanced resistance to chloride environments
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Nickel 200 – suitable for hydrogen and caustic media
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Monel 400 – excellent performance in marine and salt-rich environments
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Inconel 600 – high temperature oxidation resistance
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Hastelloy C-276 – superior corrosion resistance in aggressive chemicals
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Hastelloy C-22 – outstanding pitting and crevice corrosion resistance
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Hastelloy X – high temperature strength and oxidation stability
Available micron ratings
Porous metal tubes can be supplied in a range of pore sizes to match filtration and flow requirements:
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0.2 micron
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0.5 micron
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1 micron
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2 micron
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5 micron
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10 micron
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20 micron
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40 micron
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60 micron
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100 micron
Typical applications
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Gas and liquid filtration systems
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Diffusion and dispersion elements
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Flow stabilization devices
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Hydrogen and specialty gas management
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Analytical instrumentation
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Chemical process control
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OEM engineered assemblies
Features and benefits
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Robust all-metal sintered construction
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Uniform porosity for consistent performance
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Wide alloy compatibility
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High pressure and temperature capability
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Customisable dimensions and pore structure
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Low pressure drop with reliable flow control
Configuration and quotation
Porous metal tubes are supplied based on specific application requirements. Selection parameters include:
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material selection
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micron rating
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outside diameter (OD)
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inside diameter (ID)
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length
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operating temperature and pressure
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media compatibility
Technical support is available to ensure optimal specification.