17-4 ph Stainless Steel is a precipitation hardening martensitic stainless steel. Typical 17-4 phusage is seen in applications requiring high strength and a modest level of corrosion resistance. Strength and toughness desired can be manipulated by temperate range in the heat treatment process.
Below you will find typical applications of 17-4 ph stainless steel as well as the metals composition and mechanical properties. Learn more about or value added services that we offer to help you expedite the current job you have at hand.
With a high resistance to corrosion, 17-4 PH Stainless Steel is one of the many stainless steel options Altemp Alloys offers. 17-4 PH is an economical alternative to other stainless and strong carbon steels.
- UNS S17400
- AMS 5643
- ASTM A564
- ASTM A693 Grade 630
17-4 PH Stainless Steel Applications
- Pump Shafts
- Oil Patch
- Mechanical Seals
- Aerospace
- Carbon 0.070 max
- Chromium 15.00 – 17.50
- Columbian + Tantalum 0.15 – 0.45
- Copper 3.00 – 5.00
- Manganese1.00 max
- Nickel 3.00 – 5.00
- Phosphorus 0.040 max
- Silicon 1.00 max
- Sulfur 0.030 max
Mechanical Properties
| Material Type | Condition | Ultimate Tensile Strength (PSI) | 0.2% Yield Strength (PSI) | Elongation (% In 2in.) | Reduction Of Area (%) | Hardness Brinell | Hardness Rockwell |
|---|---|---|---|---|---|---|---|
| 17-4 PH | H900 | 190,000 | 170,000 | 10 | 40 | 388 | C40 |
| H1025 | 155,000 | 145,000 | 12 | 45 | 331 | C35 | |
| H1075 | 145,000 | 125,000 | 13 | 45 | 311 | C32 | |
| H1150 | 135,000 | 105,000 | 16 | 50 | 277 | C28 | |
| H1150-M | 115,000 | 75,000 | 18 | 55 | 255 | C24 | |
| H1150-D | 125,000 | 105,000 | 16 | 50 | 255 min – 311 max | C24 |