5-5 Chemical Composition
| Element | Percent By Weight | |
|---|---|---|
| C | Carbon | 0.07 maximum |
| Cr | Chromium | 14 – 15.5 |
| Cu | Copper | 2.5 – 4.5 |
| Fe | Iron | Balance |
| Si | Silicon | 1.00 maximum |
| S | Sulfur | 0.03 maximum |
| Ni | Nickel | 3.5 – 5.5 |
| Mn | Manganese | 1.0 maximum |
| P | Phosphorus | 0.04 maximum |
| Nb Ta |
Niobium plus Tantalum |
0.15 – 0.45 |
15-5 Physical Properties
| Condition | A | H900 | H 1075 | H1150 |
| Density g/cm (3) | 7.75 | 7.81 | 7.83 | 7.86 |
| Density lb/in (3) | 0.280 | 0.282 | 0.283 | 0.284 |
| Thermal Conductivity 70-212° | 10.6 | 10.3 | ||
| Thermal Conductivity 70-932° | 13.1 | 13.1 | ||
| Electrical Resistivity | 98 | 77 | 80 | 86 |
15-5 Mechanical Properties
| Condition | Ultimate Tensile Strenght | Yield Strength | Elongation |
| H900 | 190,000 | 170,000 | 6 |
| H1025 | 155,000 | 125,000 | 8 |
| H1075 | 145,000 | 125,000 | 9 |
| H1150 | 135,000 | 105,000 | 11 |
| H1150-M | 115,000 | 75,000 | 14 |
| Condition | Reduction of Area | Hardness Brinell | Hardness Rockwell |
| H900 | 15 | 388 | C40 |
| H1025 | 27 | 331 | C35 |
| H1075 | 28 | 311 | C32 |
| H1150 | 30 | 277 | C28 |
| H1150-M | 35 | 255 |
Common Applications of 15-5 Stainless Steel
- Aerospace applications
- Fasteners
- Oil & Gas applications
- Valves, gears and pumps
- Food processing
Standard Inventory Specifications
- UNS S15500
- ASTM A564
- AMS 5659
- SAE AMS 5659
Common Trade Names
- 15-5 PH
- AK Steel 15-5 PH®
- ATI 15-5™
- ATI 15-5-MIL™
Inventory Size Range
- Bar : 0.500″ – 6.500″
