MIM Compares with Other Methods
| |
Metal Injection |
Traditional Powder Metallurgy |
Precision Casting |
Machining |
| Cost of Production |
Mid |
Low |
Mid |
High |
| Density |
95% ~ 99% |
< 95% |
< 100% |
100% |
| Mass Production Capacity |
High |
High |
Mid |
Low |
| Mechanical Properties |
High |
Mid |
Mid |
High |
| Surface Roughness |
Fine (1μm Ra) |
Medium |
Medium |
Fine |
| Shape Complexity |
High |
Low |
Mid |
High |
| Material Option |
Various |
Mid |
Mid |
Various |
| Electroplating |
Superior |
Low Fine (1μm Ra) |
Superior |
Superior |
Dimensional Tolerance of Injection
| Dimension |
Standard Tolerance |
| 25.0 |
+/- 0.12 |
| 12.0 |
+/- 0.05 |
| 6.0 |
+ / - 0.04 |
| 3.0 |
+ / - 0.03 |
| 1.0 |
+ / - 0.03 |
Min. Design Criteria of Parts
1. Limitation of dimension
2.Maximum size< 110mm
3.Maximum weight< 300g
4. Even thickness
5. Design with sintering surface
6. The thinnest size
Material Components and Mechanical Properties | |
Density |
Tensile Strength |
Elongation |
Visual Hardness |
Hardness after Heat |
Characteristics |
| Fe-2%Ni |
> 7.5 |
280 |
25 |
HRB 55 |
> HRC 50 |
|
| Fe-8%Ni |
> 7.5 |
450 |
12 |
HRB 84 |
> HRC 50 |
|
| 316L |
> 7.5 |
495 |
53 |
HRB 66 |
- |
Corrosion resistance |
| 17-4PH |
> 7.6 |
850 |
6 |
HRB 100 |
HRC 38 |
|
| 4140 |
> 7.5 |
1100 |
3 |
- |
HRC 50 |
|
| M2 |
> 7.9 |
1600 |
- |
- |
HRC 60 |
|
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