Sintered Titanium Filters for Precision Filtration - China Suppliers & Factory Offering Custom Sizes and Treatments
What are the Advantages of sintered titanium filter?
Density is only 4.5g/cm³, strength is 40%-50% higher than steel, suitable for aircraft skeleton, automotive connecting rod and other weight reduction scenarios.
Resistant to strong acid, alkali, seawater corrosion, life expectancy of 3-5 times that of stainless steel, used in chemical pipelines, seawater desalination equipment.
No rejection with human tissue, used in artificial joints, dental implants, pacemaker shells.
Working temperature up to 540 ℃ (TA19), suitable for aircraft engine blades, nuclear power cooling system.
Support welding (TIG, electron beam welding), 3D printing (customized complex structural parts).
What is the application for our sintered titanium filter?
Engine compressor blades, fuselage skeleton, rocket fuel storage tanks.
Artificial joints, orthopedic screws, dental implants, cardiovascular stents.
Corrosion-resistant reactors, nuclear power plant cooling pipes, electrolyzer electrodes.
Marine Screws, Marine Engineering Marine propellers, deep sea probe housings, offshore platform support structures.
Lightweight Automotive: Lightweight connecting rods, titanium exhaust systems, racing chassis components.
Golf clubs, bicycle frames, mountaineering buckles (high strength + lightweight).
How is the production process for sintered titanium filter?
The production process of sintered titanium filters involves a number of procedures, which need to be combined with raw material handling, melting, plastic processing and quality control, etc. The following is the integration and analysis of the standardized process:
- As the core raw material, need to screen high-purity titanium sponge (Fe ≤ 0.30%, O ≤ 0.25%), some alloys need to add aluminum, molybdenum, niobium and other elements.
- Alloy ratio: such as β titanium alloy needs to be mixed by weight percentage (such as Mo 4-7%, Nb 4-6.5%, Al 1-4%).
- Titanium sponge and alloy powder are pressed into block electrode by hydraulic press, and welded into long electrode by ion welding.
- In a vacuum or inert gas environment, the electrode is melted at 1700-1950 ℃ to remove impurities and form titanium ingots.
- Multiple melting: usually repeated 2-3 times to enhance compositional homogeneity (e.g., β-titanium alloy requires 3 melts).
- Temperature control: Titanium ingot is heated to 950-1100℃ for open billet forging to break the cast organization and refine the grain.
- Multi-directional forging: Improve the organization uniformity by forging in different directions, and reduce the subsequent rolling deformation.
- Hot rolling: initial rolling at 900-1000 ℃ to form cylindrical blanks (such as 500mm diameter titanium rods).
- Cold rolling: finishing rolling at room temperature to improve the dimensional accuracy (e.g. thin-walled tubes, capillary tubes).
- Selection of die forging: open die forging with high loss (15-20% burr), closed die forging requires precise control of the volume of the blank.
- Acid washing: use hydrofluoric acid - nitric acid mixture (acid concentration ≤ 6%) to remove the oxide skin, resulting in acid mist (G2) and waste acid residue (S5).
- Water washing: remove residual acid and grease, generate oily waste water (W1/W2).
- Annealing: 700-800 ℃ annealing to eliminate internal stress, some alloys need to solid solution aging (such as 950 ℃ solid solution + 550 ℃ aging).
- Straightening: Correct the shape by straightening machine and generate noise (N5).
- Chemical analysis: ICP spectrometer to detect impurities (e.g. Fe, O content).
- Mechanical test: Tensile strength (TA1: 240MPa, TC4: 895MPa), elongation, etc.
- Ultrasonic flaw detection (UT): detect internal cracks, pores and other defects.
- Polishing (Ra≤0.8μm) or spinning treatment to enhance the finish.
- Moisture-proof and shock-proof packaging, generating waste packaging materials (S8).
How to choose titanium rod specification?
Ideal for medical devices and precision electrodes.
Suitable for chemical equipment and ship parts.
Typically used in nuclear power equipment and heavy machinery.
Do titanium rods require regular maintenance?
Avoid scratches and oil contamination, regularly clean with water or neutral detergent. In corrosive environments, it is necessary to test the surface condition every 2 years.
What are the reasons for the high price of Titanium rods?
Raw material (titanium sponge) accounts for 60% of the total costs. The complex processes (such as vacuum melting) required to enhance performance also contribute to the price, making TC4 about 30% higher than GR.1.
Advantages of Titanium Rods over Stainless Steel?
Titanium has a life expectancy of 5 times that of stainless steel in a seawater environment.
Offers 40%-50% less weight for the same strength comparison.
The service life of titanium rods?
More than 20 years (e.g. building structures).
8-15 years (e.g. chemical pipelines).
Technical Support
UT flaw detection (internal defect detection), chemical composition analysis (ICP spectrometer).
Support drawing processing, non-standard size customization (quotation within 72 hours).
Frequently Asked Questions (FAQ)
What are the primary advantages of using a sintered titanium filter?
Sintered titanium filters offer high strength combined with light weight, excellent corrosion resistance (3-5 times the life of stainless steel), high biocompatibility, excellent high-temperature performance up to 540°C, and outstanding processability for welding and 3D printing.
In which industries are sintered titanium filters commonly applied?
They are widely applied in aerospace (fuselage skeletons, fuel tanks), healthcare (artificial joints, stents), chemical energy (reactors, nuclear cooling), marine engineering (propellers, deep sea housings), automotive manufacturing, and sports equipment.
What is the typical production process for these filters?
The process includes raw material preparation (titanium sponge selection), vacuum self-consumption arc melting (VAR) to remove impurities, plastic processing (forging and rolling), surface treatment (acid washing, annealing), quality control (ultrasonic testing), and final surface finishing.
How do I choose the correct titanium rod specification?
Select specifications based on size: Small diameters (<10mm) are used for medical devices; medium diameters (10-100mm) are ideal for chemical equipment and ship parts; and large diameters (>100mm) are suited for nuclear power and heavy machinery.
Do titanium rods require regular maintenance?
Yes. You should avoid scratches and oil contamination, and clean them regularly with water or neutral detergent. In highly corrosive environments, the surface condition should be tested every 2 years.
Why is the price of titanium products higher than stainless steel?
The raw titanium sponge accounts for 60% of the cost. Additionally, complex manufacturing processes like vacuum arc melting (VAR) and strict quality controls needed to ensure performance drive up the price.