Sintered Stainless Steel Filter Elements Factory

Sintered Stainless Steel Filter Elements

Sintered Stainless Steel Filter Elements from Anping CREMOTIVE are monolithic porous bodies created by compacting stainless steel powders and sintering them at high temperatures. This results in an integral structure with controlled porosity, uniform pore size distribution, and exceptional mechanical strength.

Manufacturing Steps

1. Powder Blending: 304L or 316L stainless steel powders (2–10 µm).

2. Compaction: High‑pressure pressing (200–400 MPa) in custom dies.

3. Sintering: 1150 °C–1350 °C in vacuum or hydrogen atmosphere for 1–3 hours.

4. Final Treatment: Light machining of end faces, pickling, and passivation per ASTM A967.

Performance Characteristics

• Porosity: 25 %–45 %.

• Pore Size Range: 2 µm to 200 µm with ±10 % tolerance.

• Mechanical Ratings: Burst pressures > 30 bar; collapse pressures > 15 bar.

• Temperature Tolerance: Continuous service to 600 °C; short peaks to 800 °C.

Typical Applications

• Gas Filtration: Removing catalyst fines and mist in petrochemical streams.

• Liquid Polishing: Final clarification in pharmaceutical, food, and electronics rinse water.

• High‑Temp Separations: Hot gas particulates in glass and metal‑melting furnaces.

Design Variations

• Geometry: Cylindrical cartridges, flat discs, or rectangular plates.

• Dual‑Pore Structures: Coarse outer layer for depth‑filtration plus fine inner layer for polishing.

• Integrated Mounting: Flanges, welded cores, or threaded ends for filter housings.

Regeneration & Lifecycle
In‑place back‑pulse, ultrasonic cleaning, or chemical soaking (e.g., mild acids) restores permeability. Service intervals often exceed two years in moderate fouling conditions, delivering lower total cost of ownership versus disposable media.

For detailed specifications, custom design consultation, or sample inquiries, please contact Anping CREMOTIVE Wire Mesh Products CO., LTD’s technical sales team.