Manufacturer of powder metallurgy stainless steel medical scissors
Material: 17-4PH
Tensile strength: ≥ 960 MPa after sintering, ≥ 1150 MPa after heat treatment
Yield strength: ≥ 730 MPa after sintering, ≥ 960 MPa after heat treatment
Hardness: HRC20-25 after sintering, HRC40-45 after heat treatment
Density: ≥ 7.80 g/cm3
Process: MIM, metal powder injection molding, powder metallurgy
Application: Medical forceps, medical equipment, surgical forceps and other medical equipment
Metal Powder Injection Molding MIM Material List
| Performance | After sintering | Heat treatment | C% | NI% | Cr% | Nb% | Mn% | Si% | Cu% | Fe% |
|---|---|---|---|---|---|---|---|---|---|---|
| density | >7.70 g/cm3 | |||||||||
| tensile strength | >960 mPa | >1150 mPa | <0.07 | 3-5 | 16-18 | 0.15-0.45 | <1.0 | <1.0 | 3.5-4.5 | |
| hardness | HRC20-28 | HRC40-45 | ||||||||
| Elongation rate | >5% | >4.5% | ||||||||
| yield strength | >730 MPa | >960 MPa |
Metal Powder Injection Molding MIM Dimensional Accuracy Table
Special tolerance requirements can be achieved through secondary machining, such as CNC, lathe, milling machine, etc
| size | General manufacturing tolerances | General situation | exceptional case |
|---|---|---|---|
| 1-4mm | +/-0.05 | +/-0.05 | +/-0.03 |
| 4-10mm | +/-0.10 | +/-0.07 | +/-0.05 |
| 10-20mm | +/-0.15 | +/-0.10 | +/-0.08 |
| 20-30mm | +/-0.25 | +/-0.15 | +/-0.10 |
| features | General scope | Special scope | |
| Part size | 0.2-50g | 0.09-200g | |
| wall thickness | 0.5mm or above | 0.25 or above |
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