Lecong Stainless, a top-notch stainless steel manufacturer and supplier located in Da Nang, Vietnam, specializes in providing high-performance fastening solutions tailored for tough industrial applications. Among their impressive lineup, the Stainless Steel 17-7 PH Fasteners really shine due to their remarkable tensile strength, resistance to corrosion, and outstanding fatigue performance. Crafted with cutting-edge manufacturing techniques and strict quality controls, these fasteners are perfect for sectors like aerospace, defense, automotive, and petrochemical. Lecong Stainless guarantees that each fastener offers dependable mechanical performance and precise dimensions, making them ideal for critical structures and high-stress environments where regular stainless steels just won’t cut it.
Stainless Steel 17-7 PH Fasteners are crafted from a precipitation-hardened stainless steel alloy that includes about 17% Chromium, 7% Nickel, 1.1% Aluminum, along with small amounts of Carbon, Manganese, and Silicon. After undergoing heat treatment (like the TH 1050 condition), these fasteners achieve impressive mechanical strength, boasting a tensile strength of up to 1170 MPa and a yield strength around 1035 MPa. They also show excellent fatigue resistance and moderate corrosion resistance. The alloy retains good ductility and hardness, with minimal distortion during heat treatment, making these fasteners perfect for applications that require high mechanical reliability and tight tolerances.
| 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 |
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Corrosion-resistant and durable, these nuts are commonly used in aerospace and industrial applications. They typically come in sizes ranging from M2 to M48 and can be used with various bolt sizes, providing strong clamping force and resistance to wear.
These stud bolts offer excellent corrosion resistance and high strength. Available in sizes from M6 to M30, they are used for applications requiring precise alignment and robust mechanical properties. The 17-7 PH alloy ensures durability under stress and high temperatures.
Stainless Steel 17-7 PH bolts offer superior corrosion resistance and high tensile strength, making them perfect for demanding environments. Available in sizes from M4 to M36 and various lengths, they are ideal for aerospace and structural applications. Their hardness and resistance ensure reliability and durability in critical applications.
Highly resistant to corrosion, these rods are used in applications where strength and durability are crucial. Sizes range from M6 to M30 with varying lengths. They provide excellent mechanical properties and are suitable for fastening and structural support.
Offering exceptional corrosion resistance, these screws are used in high-stress environments. They are available in sizes from M2 to M20 and are suitable for precision applications. Their high strength and durability make them ideal for aerospace and mechanical assemblies.
These washers provide excellent corrosion resistance and are used to distribute loads evenly. They come in sizes from M2 to M50 and are commonly used with 17-7 PH fasteners to enhance performance in high-stress and high-temperature environments.
All orders for our Stainless Steel 17-7 PH Fasteners are accompanied by essential documentation such as a commercial invoice, packing list, fumigation certificate, heat treatment chart, quality assurance plan, and NABL-approved lab test report. These documents give authenticity and quality superiority of the fasteners and comfort to the customer regarding the use. Besides, we offer different test certificates for our Stainless Steel 17-7 PH Fasteners such as MTC as per EN 10204/3.1b, PMI Test Certificate, 100% radiography test report, and Third Party Inspection Certificate against our commitment towards the product and customer excellence.
Stainless Steel 17-7 PH Fasteners find extensive use in the aerospace, defense, and automotive sectors, where high strength and fatigue resistance are essential. In aircraft and spacecraft, they play a crucial role in structural assemblies, landing gear, and control systems. In the automotive world, they are utilized in suspension components, high-performance engine parts, and chassis reinforcements. Additionally, these fasteners are employed in high-pressure systems within the chemical industry, showcasing their versatility and reliability across various demanding applications.
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