17-4PH (Without heat treatment)
Based on 17-4PH has relatively balanced corrosion resistance and good strength, and its carbon content is lower than 400 series stainless steel, so it is widely used in aerospace, dental, medical oral and foreign industries.
Chemical Content
- 17-4PH
- 304
- 316L
- 420
- 440C
| 17-4PH | C | Si | S | P | Mn | Cr | Ni | Nb+Ta |
| w.t/% | ≤0.07 | ≤1.00 | ≤0.03 | ≤0.04 | ≤1.0 | 15.5-17.5 | 3.0-5.0 | 0.15-0.45 |
| 17-4PH | Finished product density | Injection density | Hardness | Hardness after heat treatment | Tensile strength | yield strength |
| 7.56-7.60 | 5.38-5.50 | HV260-340 | ≥550 | ≥950Mpa | ≥660Mpa |
| 304 | C | Si | S | P | Mn | Cr | Ni | Fe |
| w.t/% | ≤0.03 | ≤1.00 | ≤0.03 | ≤0.03 | ≤2.0 | 18.0-20.0 | 8.0-11.0 | Bal |
| 316L | C | Si | S | P | Mn | Cr | Ni | Mo | N |
| w.t/% | 0.03 | 0.75 | 0.03 | 0.045 | 2 | 16-18 | 10-14 | 2-3 | 0.1 |
| 316L | Finished product density | Injection density | Hardness | Hardness after heat treatment | Tensile strength | yield strength |
| 7.88-7.90 | 5.40-5.50 | ≥HV130 | / | ≥514Mpa | ≥180Mpa |
| 420 | C | Si | S | P | Mn | Cr | Ni |
| w.t/% | 0.16-0.25 | ≤1.00 | ≤0.03 | ≤0.04 | ≤1.0 | 12.0-14.0 | ≤0.75 |
| 420 | Finished product density | Injection density | Hardness | Hardness after heat treatment | Tensile strength | yield strength |
| 7.25-7.3 | 4.66-4.70 | ≥320 | ≥460 | ≥1600Mpa | ≥1300Mpa |
| 440C | C | Si | S | P | Mn | Cr | Ni |
| w.t/% | 0.95-1.20 | ≤1.00 | ≤0.03 | ≤0.035 | ≤1.0 | 16.0-18.0 | ≤0.60 |