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MUKAU FASTENERS is a top-notch manufacturer and supplier based in Kinshasa, Congo, specializing in high-quality Stainless Steel 17-7 PH Nuts. These nuts are crafted for outstanding strength, corrosion resistance, and reliability. Made from precipitation-hardening stainless steel, they boast excellent mechanical properties and stability, even in tough conditions. The 17-7 PH grade features a blend of high chromium and nickel content along with heat-treatable properties, ensuring exceptional tensile strength and toughness. MUKAU FASTENERS is committed to precision manufacturing and upholding international quality standards, providing 17-7 PH Nuts that are perfect for aerospace, chemical, marine, and industrial machinery applications where durability and high performance are a must.
Stainless Steel 17-7 PH Nuts are composed of about 17% chromium, 7% nickel, and 0.3%–0.7% aluminum, which enables precipitation hardening. These nuts can achieve a tensile strength of up to 1,300 MPa, along with high yield strength, excellent toughness, and good fatigue resistance. The alloy offers impressive corrosion resistance in mildly corrosive environments and maintains its mechanical stability even at elevated temperatures. Thanks to their heat-treatable properties and well-balanced composition, 17-7 PH Nuts provide superior hardness, dimensional stability, and long-lasting performance in demanding industrial and aerospace settings.
| 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 find their place in a variety of applications, including aerospace components, chemical processing equipment, marine hardware, and industrial machinery, where high strength, corrosion resistance, and reliability are essential. They are perfect for fastening critical assemblies, structural joints, and precision machinery that face stress, vibration, and moderate corrosive environments. Additionally, these nuts are utilized in automotive components, turbine assemblies, and defense equipment, ensuring secure and durable fastening solutions.
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.
Mukau Fasteners is a leading manufacturer and supplier of high-quality fasteners in Kinshasa, Congo, with over 8 years of experience serving global industries.
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