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Hazlewood Fasteners, based in Canberra, Australia, is a reputable manufacturer and supplier of top-notch Stainless Steel 17-7 PH Nuts. These nuts are crafted to provide exceptional strength, hardness, and resistance to corrosion. Designed with precipitation-hardening stainless steel, they are built to perform reliably even in high-stress and high-temperature situations. The SS 17-7 PH Nuts blend the impressive corrosion resistance of austenitic stainless steels with the robust mechanical strength of martensitic alloys, ensuring they maintain their fastening integrity over time. They are perfect for critical and precision-driven applications, finding their place in sectors like aerospace, marine, petrochemical, power generation, and industrial machinery.
Stainless Steel 17-7 PH Nuts consist of 16–18% chromium, 6.5–7.75% nickel, and 0.75–1.5% aluminum, with iron making up the rest. The precipitation-hardening process boosts their mechanical strength, allowing for a tensile strength of up to 1310 MPa and a yield strength around 1170 MPa. These nuts are known for their excellent fatigue resistance, hardness, and ability to withstand stress corrosion cracking, all while remaining stable at temperatures up to 425°C. SS 17-7 PH Nuts provide outstanding toughness, oxidation resistance, and dimensional stability, making them perfect for demanding industrial settings that require strength, durability, and corrosion protection.
| 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 Nuts are commonly found in aerospace components, marine systems, chemical processing facilities, power generation units, and high-pressure applications where both strength and corrosion resistance are crucial. Their capacity to maintain mechanical integrity under thermal stress makes them ideal for turbines, valves, pumps, and precision instruments. Additionally, these nuts are utilized in the defense, nuclear, and automotive industries for fastening applications that demand superior fatigue and wear resistance. SS 17-7 PH Nuts guarantee long-lasting, secure, and dependable connections in critical environments.
We provide complete documentation for our stainless steel 17-7 PH nuts, including commercial invoices, packaging information, fuming certificates, heat treatment protocols, quality assurance programs, and a laboratory include test reports approved by NABL for stainless steel 17-7 PH nuts Our extensive test certificates include MTC as per EN 10204/3.1b, PMI test certificate, 100% radiography test report and human a third party research certificate. Each order is carefully packaged to ensure safe delivery. This complete system is in place to ensure 100% customer satisfaction and highlight the quality and compliance of our Stainless Steel 17-7 PH Nuts.
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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