17-4 material is provided in the H1150 heat treat condition to make the material softer than the annealed condition. The material is baked at 1150 degrees for four hours and then air cooled to obtain a tensile strength of 135 - 170 ksi.
Element | Min | Max |
---|---|---|
Carbon, C | – | 0.07 |
Manganese, Mn | – | 1 |
Silicon, Si | – | 1 |
Sulfur, S | – | 0.03 |
Phosphorus, P | – | 0.04 |
Chromium, Cr | 15 | 17.5 |
Molybdenum, Mo | - | 0.5 |
Nickel, Ni | 3 | 5 |
Columbium (Niobium), Nb | 5xC | 0.45 |
Copper, Cu | 3 | 5 |
We stock 17-4 PH COND H-1150 to the following specifications:
Click on a cross-section to see the sizes we stock: