MIM-304L
MIM-304L is the most versatile austenitic stainless steel for MIM, featuring excellent polishability, corrosion resistance, and non-magnetic properties. With extremely high ductility (elongation ≥50%), it is ideal for parts requiring high formability or complex geometries — the most commonly used grade in the 3C industry.
Product Specifications
Chemical Composition (wt%)
|
C |
Ni |
Cr |
Si |
Mn |
Fe |
|
≤0.03 |
8.0-12.0 |
18.0-20.0 |
≤1.0 |
≤2.0 |
Bal. |
Physical Properties
|
Item |
Value |
Value |
|
Tap Density |
≥4.8 g/cm³ |
≥4.8 g/cm³ |
|
D10 |
2-3 μm |
2.5-3.5 |
|
D50 |
8-10 μm |
10-12 |
|
D90 |
22-27 μm |
27-32 |
Feedstock Parameters
|
Parameter |
Unit |
Typical |
Range |
Method |
|
MFR |
g/10min |
1100 |
1100-1800 |
ISO 1133 (190℃, 21.6kg) |
|
Green Density |
g/cm³ |
5.35 |
5.3-5.4 |
ISO 3369 |
|
Debinding Rate |
% |
7.5 |
7.3-7.8 |
Gravimetric |
|
Sintered Density |
g/cm³ |
≥7.80 |
7.75-7.85 |
ISO 3369 |
|
Tooling Factor |
— |
1.165 |
1.163-1.168 |
— |
Sintered Part Properties
|
Property |
As-Sintered |
|
Density (g/cm³) |
≥7.80 |
|
Tensile Strength (MPa) |
≥500 |
|
Yield Strength (MPa) |
≥180 |
|
Elongation |
≥50% |
|
Hardness (HV1) |
130-180 |
Typical Applications
Consumer electronics structural parts
High-polish cosmetic parts
Food machinery components
General precision hardware
Product Photos
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