Our main business:Metal powder,Electronic paste,Brazing materials,3D printing/VIGA equipment,R&D production and sales of customized products.
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3
VIGA Lines
1
Water&Gas Atomizer Line
1
Plasma Atomizer Line
236M
Projects Completed
Hunan Mana Materials Technology Co.,Ltd. is located in Changsha city,Hunan province,China ,which is the hometown of non-ferrous metals.Mana is a technology enterprise focusing on the research and development,production and sales of new materials.At present, the main products on sale include electronic paste, metal powders, brazing materials,3D printing/VIGA equipment,R&D production and sales of customized products. With more than ten years of metal powder manufaturing technology and experience, we provide highly competitive high-quality products.
01
High Quality
02
Advanced Equipment
03
Professional Team
04
Custom Service
Co-20 is a high-carbon, high-chromium, and high-tungsten cobalt-based wear-resistant alloy powder. It belongs to the hypereutectic cobalt-chromium-tungsten alloy family and is the Stellite series grade with the most outstanding abrasive wear resistance. It contains a large amount of hard carbides dispersed in the matrix, exhibiting both excellent wear resistance and corrosion resistance; however, its toughness is relatively low, and its impact resistance is poor. It is suitable for low-impact, high-abrasive wear, and slurry erosion conditions, and is widely used for surface strengthening and weld repair of wear-resistant plates, bearing sleeves, and other components.
Chemical Composition(wt%)
|
Element |
C |
Cr |
Mo |
Si |
W |
Ni |
Fe |
Mn |
Co |
|
Content(wt%) |
2.3-2.7 |
31-33 |
≤1 |
0.8-1.2 |
17-19 |
≤3 |
≤3 |
≤1 |
Bal. |
PTA Surfacing Hardness:52-57HRC
Performance Characteristics
- Excellent resistance to abrasive wear and slurry erosion
-
High chromium content, good oxidation and corrosion resistance
-
Maintains stable hardness at high temperatures, good red hardness
-
Limitations: Crack susceptibility is higher than Co-6 and Co-12, unsuitable for applications with high impact loads
Recommended Process
|
Process |
Particle Size |
|
HVOF (High-Velocity Oxy-Fuel) thermal spraying |
15–45 μm |
|
Plasma spraying (APS) |
45–105 μm |
|
PTA Plasma Surfacing |
45–150 μm |
|
Laser Cladding |
45–150 μm |
Atomization process: Nitrogen atomization
Typical Application Areas
-
Bearing sleeves, wear plates, wear slides
-
Slurry pump & mining equipment wear parts
-
Chemical equipment components with corrosion + wear
-
Valve trim under low-impact severe abrasive condition
Comparation
|
Item |
HRC |
Features |
Applicable Scenarios |
|
Co-06 |
38–44 |
Excellent toughness, combined with wear resistance and resistance to galling (seizure) |
Valves, bushings, and erosion-prone components |
|
Co-12 |
42–48 |
Balanced wear resistance + a certain degree of impact resistance |
High-temperature valves, saw teeth, screws |
|
Co-20 |
52–57 |
Extremely resistant to abrasive wear; highly brittle. |
Wear-resistant plates, sleeves, and components subject to slurry erosion |
|
|
|
Cobalt Alloy Powder Grade |
|
||||||||
|
Model |
HRC |
Wt% |
Typical uses |
||||||||
|
C |
Cr |
Si |
W |
Ni |
Fe |
Mn |
Mo |
Co |
|||
|
Co1 |
48-54 |
2.5 |
30 |
1 |
12 |
≤3 |
≤3 |
≤1 |
≤1 |
Bal |
Valve seats, bearings, knife edges, etc. |
|
Co3 |
48-54 |
2.3 |
30 |
1 |
12 |
≤3 |
≤3 |
Bal |
Needle valve seat, valve seat, rolling mill guide roll |
||
|
Co6 |
38-44 |
1.2 |
30 |
1 |
4.5 |
≤3 |
≤3 |
≤1 |
≤1 |
Bal |
Engine valves, high-temperature and high-pressure valves, turbine blades |
|
Co12 |
42-48 |
1.4 |
30 |
1.4 |
8.5 |
≤3 |
≤3 |
≤1 |
≤1 |
Bal |
High-temperature and high-pressure valves, saw teeth, spiral push rods, etc. |
|
Co20 |
52-57 |
2.5 |
32 |
1 |
18 |
≤3 |
≤3 |
≤1 |
≤1 |
Bal |
Bearing sleeve, wear-resistant plate |
|
Co21 |
20 |
0.2 |
28 |
2 |
0.15 |
≤3 |
2 |
≤1 |
5.5 |
Bal |
Turbine blades, various liquid valves, valve seats |
|
Co25 |
≤24 |
0.1 |
20 |
1 |
15 |
10 |
≤3 |
≤2 |
Bal |
Stamping and extrusion dies |
|
|
Co31 |
28-34 |
0.5 |
26 |
1 |
8 |
10.5 |
2 |
≤1 |
Bal |
Extrusion die, gas turbine blade |
|
|
Co156 |
43 |
1.6 |
28 |
1.15 |
4.5 |
3 |
0.05 |
1 |
1 |
Bal |
High-temperature and high-pressure valves, hot forging dies |
|
Co157 |
50-56 |
0.1 |
22 |
1.5 |
5 |
≤3 |
≤3 |
≤0.5 |
≤1 |
B:2.5 |
Motorcycle valve top |
|
Co158 |
40-46 |
0.8 |
29 |
1.5 |
5.5 |
≤3 |
≤3 |
≤1 |
≤1 |
B:0.8 Bal |
High-temperature and high-pressure valves, saw teeth, spiral push rods, etc. |
|
CoX40 |
34 |
0.85 |
25 |
0.3 |
7.5 |
10 |
1 |
0.3 |
Bal |
Stamping and extrusion dies for gas turbines |
|
|
CoT400 |
50-60 |
0.08 |
8.5 |
2.6 |
1.5 |
1.5 |
28.5 |
Bal |
Gate valves used in high-temperature and highly corrosive media, extruders |
||
|
CoT800 |
52-58 |
0.08 |
18 |
3.4 |
1.5 |
1.5 |
28.5 |
Bal |
Gate valves used in high-temperature and highly corrosive media, extruders |
||
|
CoF |
38-44 |
1.7 |
26 |
1.2 |
12 |
22 |
≤3 |
≤1 |
≤1 |
Bal |
Engine intake and exhaust valves |
Application
Additive manufacturing
Powder metallurgy(PM)
Metal injection moldinb(MIM)
Our Testing Equipment
Our factory & quipment
Our factory & Office
Certifications
Our Packing
FAQ
Q: What is MIM feedstock?
A: MIM feedstock is compound of metal powder + polymer binder. It is the raw pellet material fed directly into injection molding machine for MIM production.
Q: What debinding type should I choose for 316L MIM feedstock?
A: Catalytic debind is preferred for mass production. Thermal debind is better for small batches. We can adjust formula based on your furnace.
Q: Can I get free sample?
A: We offer trial samples for process evaluation. Please contact our sales team for sample quotation.
Q: Is 316L MIM material corrosion resistant?
A: Yes. Sintered 316L MIM parts have excellent resistance against salt water, acid and humid environment.
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