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Hazlewood Fasteners, located in Canberra, Australia, stands out as a top manufacturer and supplier of high-performance Stainless Steel 17-7 PH Washers. These washers are designed to deliver exceptional strength, hardness, and corrosion resistance, making them perfect for tough environments. Thanks to their precipitation-hardening properties, they maintain impressive mechanical characteristics, ensuring they hold up under high stress and elevated temperatures. The SS 17-7 PH Washers blend the corrosion resistance of austenitic stainless steels with the high tensile strength found in martensitic grades. They’re a go-to choice for precision applications across industries like aerospace, marine, chemical processing, power generation, and mechanical engineering.
Stainless Steel 17-7 PH Washers are made up of 16–18% chromium, 6.5–7.75% nickel, 0.75–1.5% aluminum, along with trace amounts of carbon and manganese, with iron making up the rest. This unique blend allows them to achieve a tensile strength of up to 1310 MPa and a yield strength of around 1170 MPa after heat treatment. These washers excel in fatigue resistance, hardness, and mechanical stability, even at temperatures reaching 425°C. They also show remarkable resistance to stress corrosion cracking, oxidation, and general corrosion, ensuring reliable performance in challenging operational conditions.
| Property | 17-7 PH |
| Density, lb/in3 | 0.282 |
| Modulus of Elasticity, psi | 29 x 106 |
| Coefficient of Thermal Expansion, 68-212˚F, /˚F | 8.5 x 10-6 |
| Thermal Conductivity, Btu/ft hr ˚F | 9.5 |
| Specific Heat, Btu/lb ˚F | 0.11 |
| Electrical Resistivity, Microohm-in | 31.5 |
| Element | 17-7PH |
| Carbon | 0.09 |
| Chromium | 16.0-18.0 |
| Nickel | 6.5-7.7 |
| Manganese | 1.00 |
| Silicon | 1.00 |
| Aluminum | 0.75-1.50 |
| Phosphorus | 0.040 |
| Sulfur | 0.030 |
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
Stainless Steel 17-7 PH Washers find extensive use in aerospace assemblies, springs, valves, turbines, marine equipment, and high-pressure systems that demand outstanding strength and corrosion resistance. Their ability to maintain mechanical properties under stress and temperature fluctuations makes them ideal for chemical processing plants, power generation, and precision instrumentation. Additionally, they are utilized in automotive, defense, and nuclear sectors, where high fatigue strength and dimensional stability are crucial. SS 17-7 PH Washers provide secure and durable fastening performance, ensuring reliability in even the most demanding applications.
To ensure transparency and reliability, we ensure complete documentation for our Stainless Steel 17-7 PH Washers. Our documentation includes commercial invoicing, packaging information, fumigation certificates, heat treatment protocols and quality control programs. Each order is carefully packed to minimize damage during transit, ensuring the safe delivery of our products. These advanced features ensure our stainless steel 17-7 pH washers meet the highest industry standards and deliver exceptional quality and performance.
Hazlewood Fasteners is a leading manufacturer and supplier of high-quality fasteners in Canberra, Australia, with over 8 years of experience serving global industries.
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