Delta Fastener Corp. can provide a wide variety of 17-4PH fasteners including; 17-4PH nuts, 17-4PH bolts, sockets, washers and more 17-4PH fasteners. If we do not have your 17-4PH fasteners in stock (Inch or Metric) we can have these manufactured to your specification.
Precipitation-hardening stainless steel. Offers a good balance between corrosion resistance and strength. Magnetic. Hardenable to various strength levels and hardness by varying the aging heat treat temperature. Typically provides better corrosion resistance than the 400 series stainless steels, and better strength than the 300 series stainless steels. Often used for aircraft, dental, marine, medical, surgical, and applications where high levels of strength and hardness, and good corrosion resistance is required.
Nominal Composition by Percent
| C | Mn | Si | P | S | Cr | Ni | Cu | Columbium plus Tantalum | ||
| Min | - | - | - | - | - | 15.00 | 3.00 | 3.00 | 0.15 | % |
| Max | .07 | 1 | 1.0 | .04 | .03 | 17.50 | 5.00 | 5.00 | 0.45 | % |
| Condition | Ultimate Tensile Strength (PSI) |
0.2% Yield Strength (PSI) | Elongation (% In 2in.) | Reduction Of Area (%) |
Hardness Brinell | Hardness Rockwell |
| 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 - 33 |
Information provided by MatWeb, BestStainless and AK Steel.
Disclaimer: The dimensions listed are for reference only. Sizes not listed may be available off the shelf or can be manufactured to customer requirements.