About Us
A new material enterprise focusing on new product development, large-scale production, metal powders sales and application terminal support of gas atomization powder manufacturing process technology.
MIM Metal Injection Molding
MIM Metal Injection Molding Powders – Professional Custom Manufacturer
Leveraging Central South University’s core technology in gas atomization powder production, we specialize in MIM powders of grades such as 316L, 304L, and 17-4PH, offering controllable particle size, low impurity levels, and excellent formability and sintering performance. With a monthly supply capacity of 300 metric tons, we provide cost-effective powder solutions for industries including 3C, medical, aerospace, and transportation, supported by free sample trials and customized production.
Consult now, free sampleAbout TIJO MIM Powder
Changsha TIJO Metal Materials Co., Ltd. was established in 2010, with Hunan Xinfang TIJO New Materials as its wholly owned subsidiary. The company is a high-tech enterprise integrating R&D, production, testing, and sales of metal powders, with many years of deep expertise in the MIM metal injection molding powder sector. It boasts strong technical capabilities, ample production capacity, and consistent product quality.
Core Competence
The company’s core technical team is from the Powder Metallurgy Research Institute of Central South University and employs Medium-frequency induction melting + inert-gas atomization The core process rigorously controls the O/N/C/S content and the physical properties of the powder, resulting in MIM powders with high sphericity, excellent flowability, and a controllable particle-size distribution—fully meeting the requirements of various metal injection molding processes.
- Over 10 years of R&D and production experience in metal powders
- Three aerosol production lines, with a monthly output of 300 tons.
- End-to-end inspection ensures quality meets industry standards.
- Supports customized formulation and particle size, with rapid response to requirements.
- 48-hour free sample trial to reduce customers’ trial-and-error costs.
MIM Core Product Line
We specialize in iron-based alloy MIM powders, covering mainstream grades such as stainless steel and alloy steel. Our powders feature precise compositional control, low impurity levels, and excellent formability, and we can customize special grades and particle-size specifications to meet specific customer requirements.
316L Stainless Steel MIM Powder
Austenitic stainless steel powder with excellent corrosion resistance and high sintering density, ideal for the production of high-precision, corrosion-resistant MIM components.
Particle size 0–45 μm Oxygen content ≤ 0.07 wt% Tap density: 4.7–5.0 g/cm³304L Stainless Steel MIM Powder
Low-carbon stainless steel powder with excellent formability and weldability, offering high cost performance and suitable for general-purpose MIM structural components.
Particle size 0–38 μm Oxygen content ≤ 0.08 wt% Tap density: 4.6–4.9 g/cm³17-4PH Stainless Steel MIM Powder
Precipitation-hardened stainless steel exhibits high strength and excellent hardness after heat treatment, making it suitable for high-strength, highly wear-resistant MIM components.
Particle size 0–25 μm Oxygen content ≤ 0.08 wt% Tap density: 4.5–4.8 g/cm³HK30 High-Temperature Alloy MIM Powder
Nickel-based high-temperature alloy powder, offering excellent high-temperature resistance and oxidation resistance, is suitable for MIM precision components operating under high-temperature conditions.
Particle size 0–18 μm Excellent formability High sintering strengthCore Technical Specifications for MIM Powders
Comprehensive particle-size coverage is provided, with stringent control over key parameters such as tapped density, loose bulk density, and oxygen content. All specifications can be customized and adjusted to meet customers’ process requirements.
| Common Particle Size Specifications | D10(μm) | D50 (μm) | D90(μm) | Tap Density (g/cm³) | Loose bulk density (g/cm³) | Oxygen content (wt%) |
|---|---|---|---|---|---|---|
| 0–45 μm | 5.5–7.5 | 18-22 | 38-44 | 4.7–5.0 | ≥3.2 | ≤0.07 |
| 0–35/0–38 μm | 4.0–6.5 | 14.5–17.5 | 28-36 | 4.6–4.9 | ≥2.8 | ≤0.08 |
| 0–25/0–28 μm | 4.0–6.0 | 12-14 | 21-25 | 4.5–4.8 | ≥2.4 | ≤0.08 |
| 0–18 μm | 3.2–4.6 | 9-11 | 15-19 | 4.4–4.8 | ≥2.4 | ≤0.10 |
End-to-end testing capability
Equipped with a full suite of high-precision testing instruments, we conduct comprehensive analysis of powder composition and physical properties at every stage—from raw material receipt to finished-product shipment—ensuring consistent powder quality across all batches.
X-ray fluorescence spectrometer
Rapid, accurate, and non-destructive analysis of various elemental compositions
Oxygen and nitrogen analyzer
Precise determination of oxygen and nitrogen content in powders
Carbon-Sulfur Analyzer
Rapid detection of carbon and sulfur content, with strict control of impurities.
Laser particle size analyzer
Precise determination of powder particle size composition and distribution
Tap Density Meter
Precise measurement of powder tapped density indicator
Powder Property Tester
Testing flowability, angle of repose, and loose bulk density
Applications of MIM Powders
Owing to their excellent formability and sinterability, TIJO MIM powders are widely used in various industries for the production of high-precision, complex-shaped, miniaturized precision components.
3C products
Precision structural components such as smartphone frames, connectors, camera brackets, and headphone accessories
Medical devices
Surgical instruments, dental accessories, orthopedic implant components, and medical sensor parts
Means of transportation
Automotive sensors, small engine components, precision motorcycle parts, and rail transit components
Aerospace
Aerospace precision structural components, small aerospace parts, and core UAV components
Watch industry
Watch cases, watch clasps, precision gears for watch movements, and horological decorative accessories
Weapons and equipment
Small precision armament components, equipment sensor parts, and military-grade structural components
Core Advantages of Choosing TIJO MIM Powder
We provide customers with cost-effective, end-to-end MIM metal injection molding powder solutions across multiple dimensions, including technology, production capacity, quality, and service.
University-affiliated technical team with leading-edge processes.
The core technology team is from the Institute of Powder Metallurgy at Central South University and possesses proprietary gas atomization powder-production technology, resulting in powders with high sphericity and excellent flowability, making them well-suited for a wide range of MIM processes.
Mass production with ample capacity
Three aerosol production lines operate on a two-shift schedule, with a monthly supply capacity of 300 metric tons, high batch-to-batch consistency, and the ability to fulfill large orders with ease.
End-to-end quality control for consistent quality.
Raw material incoming inspection, production process control, and comprehensive outgoing inspection of finished products—strictly controlling O/N/C/S content and physical properties to ensure quality meets industry standards.
Customized services, made-to-order production
We offer customized formulation, particle size, and packaging, optimize powder specifications based on customers’ MIM process parameters, and provide tailored solutions.
Rapid sampling, technical support
48-hour free sample trial, with full support from a team of technical experts to help customers optimize process parameters and reduce trial-and-error costs.
High cost-performance ratio, comprehensive after-sales service
Self-production and direct sales eliminate intermediaries, delivering a clear price advantage; 24/7 after-sales support ensures timely resolution of customers’ production issues.
Consult now to receive a free MIM powder sample.
Fill out the inquiry form or call us directly, and we will contact you within 24 hours to tailor a customized MIM powder solution just for you.
Recommend products
1. Exceptional Corrosion Resistance: The high molybdenum (Mo) content enhances resistance to pitting and crevice corrosion, making it ideal for harsh environments such as marine and chemical industries. 2. Biocompatibility: Certified under ISO 10993 for biological safety, suitable for manufacturing medical devices and implantable human devices. 3. High Purity with Low Impurities: Oxygen content ≤ 0.1%, carbon content ≤ 0.03%, reducing printing defects and ensuring the density and strength of finished products. 4. Excellent Processability: High sphericity (90–95%) and excellent flowability (Hall flow rate ≤ 25 s/50g), making it well-suited for additive manufacturing processes such as SLM and EBM.
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1. Ultra-high strength: After aging hardening, the tensile strength ≥1310 MPa, hardness HRC ≥40, excellent impact toughness. Performance is stable at low temperatures down to 300°C, and fatigue resistance is outstanding. 2. Corrosion resistance: Resistant to atmospheric, seawater, and weak acid corrosion; suitable for chemical and marine environments. Passivation or plating further improves corrosion resistance. 3. Processing adaptability: High sphericity (≥95%), low oxygen content (≤0.1%), excellent fluidity, suitable for 3D printing of complex structures. Small heat treatment deformation, supports precision machining and surface polishing.
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1. Corrosion Resistance: Resistant to weak acids, alkalis, chlorides, and organic media corrosion. Its intergranular corrosion resistance is superior to 304 stainless steel. It exhibits good oxidation resistance and is suitable for humid and high-temperature steam environments. 2. Processing Adaptability: High sphericity (≥95%), low oxygen content (≤0.1%), and excellent fluidity reduce additive manufacturing defects. Excellent weldability, no annealing required after welding, and no tendency for hot cracking. 3. Environmental and Hygiene: Lead-free and cadmium-free, compliant with FDA and RoHS standards, suitable for food contact applications.
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Address: No.39, Liandong Yougu lnd. Park, Bachelor Street,Changsha City,Hunan Province, China.
